RT0402DRE071K5L >
RT0402DRE071K5L
YAGEO
RES SMD 1.5K OHM 0.5% 1/16W 0402
26953 Pcs New Original In Stock
1.5 kOhms ±0.5% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Thin Film
Request Quote (Ships tomorrow)
*Quantity
Minimum 1
RT0402DRE071K5L YAGEO
5.0 / 5.0 - (161 Ratings)

RT0402DRE071K5L

Product Overview

3599152

DiGi Electronics Part Number

RT0402DRE071K5L-DG

Manufacturer

YAGEO
RT0402DRE071K5L

Description

RES SMD 1.5K OHM 0.5% 1/16W 0402

Inventory

26953 Pcs New Original In Stock
1.5 kOhms ±0.5% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Thin Film
Quantity
Minimum 1

Purchase and inquiry

Quality Assurance

365 - Day Quality Guarantee - Every part fully backed.

90 - Day Refund or Exchange - Defective parts? No hassle.

Limited Stock, Order Now - Get reliable parts without worry.

Global Shipping & Secure Packaging

Worldwide Delivery in 3-5 Business Days

100% ESD Anti-Static Packaging

Real-Time Tracking for Every Order

Secure & Flexible Payment

Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more

All payments encrypted for security

In Stock (All prices are in USD)
  • QTY Target Price Total Price
  • 1 0.0092 0.0092
  • 200 0.0036 0.7200
  • 500 0.0035 1.7500
  • 1000 0.0034 3.4000
Better Price by Online RFQ.
Request Quote (Ships tomorrow)
* Quantity
Minimum 1
(*) is mandatory
We'll get back to you within 24 hours

RT0402DRE071K5L Technical Specifications

Category Chip Resistor - Surface Mount

Manufacturer YAGEO

Packaging Tape & Reel (TR)

Series RT

Product Status Active

Resistance 1.5 kOhms

Tolerance ±0.5%

Power (Watts) 0.063W, 1/16W

Composition Thin Film

Features -

Temperature Coefficient ±50ppm/°C

Operating Temperature -55°C ~ 155°C

Package / Case 0402 (1005 Metric)

Supplier Device Package 0402

Size / Dimension 0.039" L x 0.020" W (1.00mm x 0.50mm)

Height - Seated (Max) 0.014" (0.35mm)

Number of Terminations 2

Failure Rate -

Datasheet & Documents

HTML Datasheet

RT0402DRE071K5L-DG

Environmental & Export Classification

RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.21.0030

Additional Information

Other Names
RT0402DRE071K5L-DG
311-2246-1
311-2246-2
311-2246-6
Standard Package
10,000

Alternative Parts

PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
RT0510R-152-M
Susumu
1177
RT0510R-152-M-DG
0.0034
Upgrade
9T04021A1501DBHF3
YAGEO
1001
9T04021A1501DBHF3-DG
0.0034
Direct
RN731ETTP1501F50
KOA Speer Electronics, Inc.
1077
RN731ETTP1501F50-DG
0.0034
Upgrade

Thorough Evaluation of YAGEO RT0402DRE071K5L SMD Chip Resistor for High-Precision Applications

Product Overview: YAGEO RT0402DRE071K5L SMD Chip Resistor

The YAGEO RT0402DRE071K5L defines a modern standard for surface-mount chip resistors within high-density electronic assemblies. Engineered with a resistance of 1.5 kΩ, this device exhibits a tight tolerance of ±0.5%, allowing precise management of signal integrity and component matching in circuits where accuracy is non-negotiable. Its 1/16 watt power rating is optimized for low-power applications, balancing minimal thermal drift with compactness. The employment of the 0402 footprint translates to significant board space savings, which is crucial for advanced products requiring aggressive miniaturization, such as wearables and compact sensor modules.

Built upon the robust foundation of YAGEO’s RT Series, the RT0402DRE071K5L integrates meticulously controlled thin-film technology. This process achieves uniform resistive layers, yielding exceptional stability under varying temperature and humidity conditions—parameters often encountered in industrial control and medical instrumentation. Engineers benefit from predictable performance, which reduces the need for long validation cycles and extensive temperature compensation networks in analog front-ends or precision amplifier stages.

Exploring integration strategies reveals its strengths in signal conditioning topologies, where resistor matching directly influences system linearity and SNR. Consistent batch-to-batch electrical characteristics simplify procurement logistics for volume production, ensuring that ECAD libraries and manufacturing databases remain aligned with real-world device performance. In practical development settings, leveraging these chip resistors streamlines iterative design adjustments. When optimizing feedback loops or setting sensor biasing, the specified tolerance delivers confidence in attaining required circuit thresholds without resorting to costly post-assembly calibration procedures.

The RT0402DRE071K5L further distinguishes itself through low parasitic inductance and capacitance—a direct consequence of its precise geometry and materials selection. This profile supports clean frequency responses up to the GHz range, enabling effective deployment in RF signal paths and high-speed data lines, where layout constraints are unforgiving. Experiences in confined multilayer PCB layouts consistently demonstrate that adopting these components prevents detuning effects and preserves waveform fidelity throughout prototyping and production runs.

A nuanced perspective emphasizes the impact on procurement and lifecycle management. With standardized reel packaging and traceable lot codes, inventory turnover accelerates, improving throughput without sacrificing quality oversight. Such operational reliability extends from the design bench to automated placement lines, reducing on-site production interventions and facilitating seamless upgrades as circuit requirements evolve.

Ultimately, the RT0402DRE071K5L’s system-level reliability promotes integration confidence in both development-phase breadboards and mature production ecosystems. Its performance parameters encourage forward-looking circuit strategies, favoring architectures that scale with miniaturization trends and regulatory demands for precision. Leveraging this resistor in emerging application contexts ensures robust outcomes, reinforcing design objectives while streamlining workflow from schematic to assembled hardware.

Key Features of RT0402DRE071K5L SMD Resistor

The RT0402DRE071K5L SMD resistor from YAGEO integrates core attributes essential for contemporary high-density electronic assemblies. Central to its engineering is an ultra-tight resistance tolerance of ±0.5%, which translates directly to enhanced circuit predictability. Such precision is particularly beneficial in analog front-end designs, high-speed signal conditioning, and other contexts requiring tight gain or reference control, where resistor value variability must be minimized to ensure optimal system linearity and noise performance. Advanced thin film manufacturing processes are leveraged to realize this fine tolerance, resulting in matched resistor lots and minimal drift, even across extended production cycles.

Environmental stability is another critical dimension. The device exhibits robust resistance to thermal cycling, humidity, and voltage stress, attributes derived from its material stack-up and surface finish. This yields reproducible values even after board-level reflows or prolonged field operation, providing confidence when deploying in automotive, industrial, or telecommunication systems subject to temperature fluctuations or long-term aging. Stability over time is not only a function of base material selection but also intimately tied to the quality of passivation layers and the absence of ionic contaminants, both addressed in YAGEO’s process controls.

From a materials perspective, halogen-free epoxy construction defines a proactive alignment with evolving global safety and environmental directives. This characteristic ensures compatibility with programs targeting the reduction of hazardous substances throughout product lifecycles. Engineers can integrate the RT0402DRE071K5L into layouts knowing there is no compromise to flammability standards or recycling mandates. Halogen-free materials not only reduce end-of-life toxic gas emission risks but also ease supply chain compliance checks in multinational product rollouts.

ROHS3 compliance extends this ethos, confirming that the resistor’s composition avoids banned additives and meets the most up-to-date international standards. Projects destined for diverse regulatory regions benefit substantially—qualification cycles are shortened, and component selection risk is mitigated. This assures partner organizations and end-users of consistent adherence to safety, sustainability, and legal requirements.

Within PCB layout constraints, the 0402 footprint represents an optimal balance between board space efficiency and manufacturability. Placement of RT0402DRE071K5L resistors allows denser signal routing and higher component integration rates, supporting form-factor reductions or the inclusion of expanded functionality without sacrificing assembly yield or reliability. In practice, engineers routinely exploit this part’s package size for high-channel-count analog modules and miniature power supplies, where volumetric efficiency and automated placement compatibility become decisive.

A nuanced but impactful observation lies in the intersection of precision, environmental robustness, and compliance. When these parameters are simultaneously met, design cycles experience fewer late-stage iterations due to component performance issues, field returns from drift, or regulatory lapses. This holistic alignment is not universally present in SMD resistors but becomes instrumental in time-to-market critical or functionally dense assemblies.

The RT0402DRE071K5L’s composite attributes thus support next-generation electronic design demands, particularly where uncompromising accuracy, durability, and environmental responsibility converge within compressed spatial envelopes. Its adoption streamlines both technical and compliance workflows, informing resilient and sustainable circuit design practices.

Technical Specifications of RT0402DRE071K5L

A comprehensive understanding of the RT0402DRE071K5L resistor’s technical profile forms the foundation for targeted component selection in demanding electronic systems. The nominal resistance of 1.5 kΩ positions this device squarely within the preferred values for voltage division, biasing, and signal conditioning circuits where current limitation or feedback stability is critical. The 1/16W (62.5 mW) power rating, while modest, is carefully balanced with the device’s thermal dissipation limits, ensuring suitability in dense PCB layouts common to tightly integrated modules.

Precision is underscored by the ±0.5% tolerance, allowing this resistor to operate effectively in feedback networks of operational amplifiers or reference ladders in analog-to-digital converters, where minimal deviation directly impacts linearity and measurement accuracy. This narrow tolerance window reduces cumulative error, especially in configurations with multiple series or parallel components and facilitates tighter calibration margins in automated assembly environments.

Dimensional attributes, particularly the 0402 (1.0 mm × 0.5 mm) package, play a pivotal role in applications where board space is at a premium. Miniaturization without compromise in electrical performance aligns with high-density equipment such as embedded controllers and RF modules. The compact footprint also introduces challenges in automated placement and soldering, making pad design and reflow profile control critical to avoid tombstoning or bridging during production. Consistent results can be achieved by referencing IPC-7351B standards for footprint optimization and adopting X-ray inspection for quality assurance in high-reliability assemblies.

The temperature coefficient, typically ±50 ppm/°C or better in this resistor series, introduces a layer of stability essential for environments exposed to wide thermal gradients or where precise analog performance is demanded over time. Such stability minimizes offset in differential circuits and guarantees signal integrity in temperature-compensated oscillators or timing networks. While alternative components may offer even lower coefficients, the selected value strikes a pragmatic balance between cost, board space, and required temperature resilience for most instrumentation tasks.

Operational temperature range further broadens deployment prospects. The resistor is engineered to withstand the thermal cycling encountered in industrial, automotive, or communication backbone enclosures, supporting robust derating strategies. Conservative power derating, particularly when ambient temperatures exceed 70°C, ensures long-term reliability, a parameter often overlooked when only relying on nominal ratings. These resistors, when implemented with proper copper thermal paths and airflow considerations, maintain their specified parameters across extended lifecycles.

Applications demonstrate the device’s versatility: in communication infrastructure, the RT0402DRE071K5L provides precise impedance matching, suppressing signal reflections and optimizing line integrity. In measurement modules, its accuracy and temperature stability underpin sensor linearization and filter networks, where drift or deviation would directly degrade performance. Unique to the RT0402DRE071K5L is the convergence of high placement density, low thermal drift, and tight tolerance, which, when combined, offer significant benefits in scaling automated test setups or synchronous digital designs where cumulative resistor error must remain minimal.

Integrating components like the RT0402DRE071K5L requires systematic attention not only to nameplate specifications but to real-world derating, process control, and board-level interaction. Experience reveals that thorough supplier documentation review and pre-qualification with accelerated life testing can uncover subtle process sensitivities, such as micro-cracking under mechanical stress or solder joint reliability during repeated reflow cycles. This proactive approach, enabled by explicit knowledge of the resistor’s parameters and manufacturer quality discipline, ultimately streamlines design validation and supports first-pass yield optimization across both prototyping and volume production environments.

Construction and Reliability of RT0402DRE071K5L

The RT0402DRE071K5L thin film resistor leverages an advanced ceramic substrate, selected for its dimensional stability and low coefficient of thermal expansion. This substrate acts as the foundation for both mechanical durability and resistance to warpage under thermal cycling. On this base, a metal electrode structure is precisely deposited, forming a stable interface that minimizes interfacial resistance variations and enhances conductivity. The key layer, a finely controlled resistive film, is applied using sputtering or similar deposition techniques, achieving tight tolerance and low TCR (Temperature Coefficient of Resistance). Such meticulous material and process selection ensures both electrical precision and robust environmental endurance, critical for applications demanding high-reliability miniature passives.

Structurally, the RT0402DRE071K5L’s small package imposes constraints not only on footprint, but also on how mechanical stresses are dissipated throughout the device and the host PCB. The design addresses these concerns by optimizing terminations to improve solder joint integrity during reflow assembly, a common failure point in 0402 class components. This attention to bond strength is particularly relevant during board flexing and automated handling in densely populated layouts, where even slight mechanical deformation can induce microcracks or delamination in lesser components. The combination of the ceramic base with a compatible conductive layer layout mitigates localized stress, supporting both assembly yield and longevity in vibration-prone or portable applications.

To guarantee field performance, a battery of qualification tests verifies the RT0402DRE071K5L beyond nominal specifications. Controlled bending tests subject the part to PCB flexure, simulating installation and operational shocks that often induce open or shifted resistive values. Thermal shock cycles, executed over wide temperature ranges, evaluate the film’s adhesion and the package’s hermeticity, indicators for long-term drift and resistance stability. Prolonged moisture resistance trials and electrical load life testing further uncover susceptibility to corrosion, migration, or resistance drift—failure modes that commonly manifest after years in service but are proactively screened here.

Field experience has demonstrated that in high-density, fine-pitch PCB assemblies—such as those in consumer wearables and industrial sensors—selection of resistors like the RT0402DRE071K5L reduces latent failure incidence and rework rates compared to standard thick film alternatives. The enhanced metallization not only eases solderability during automated SMT processes but also confers greater immunity to rapid thermal excursions, a frequent occurrence in power sequencing and hot-plug scenarios.

A distinguishing perspective is the role of such miniaturized, reliable resistors in enabling compact, high-integrity analog and RF designs. As densities climb, cumulative parasitic effects and localized heating present escalating challenges; here, the electrical and structural robustness of this device minimizes error propagation and sustains signal integrity. This positions the RT0402DRE071K5L as a foundational element not merely for component-level quality, but as a strategic enabler in system-level reliability and miniaturization initiatives.

Application Scenarios for RT0402DRE071K5L

The RT0402DRE071K5L stands as a highly optimized surface-mount resistor, designed specifically for integration into circuits demanding the utmost density, reliability, and measurement precision. Its 0402 metric footprint (1.0 × 0.5 mm) embodies a minimal physical profile, allowing efficient utilization of PCB area—an essential feature for modern designs constrained by stringent spatial limitations. Reliable performance in this miniature format is frequently leveraged within communication modules and networking hardware, where high I/O counts and multilayer board stacking demand uncompromised component uniformity.

Portable medical devices, wearables, and compact consumer electronics capitalize on the RT0402DRE071K5L’s diminutive size and stability, facilitating aggressive size reductions without sacrificing electrical consistency. Low thermal coefficient and precisely controlled resistance values minimize operating drift, a critical requirement for signal-conditioning front-ends, analog sensors, and battery-operated logic where fluctuating resistance would adversely impact overall system accuracy and battery life. In bench-top or rack-mounted test and measurement instrumentation, this resistor’s tight tolerance and reliable long-term behavior support sensitive amplification and measurements, particularly in feedback loops and reference networks where even minute variations can introduce significant system error.

A frequent engineering challenge in industrial automation—mitigating noise, voltage drops, and long-term value shifts—is effectively addressed through the RT0402DRE071K5L’s robust thin-film construction. This construction method delivers enhanced moisture resistance, low noise generation, and consistent impedance spectra, factors pivotal when implementing feedback, voltage divider, and bias circuitry across analog and mixed-signal domains. Incorporating this resistor into float-level sensors, PLC input stages, or actuator signal chains has shown a pronounced improvement in signal fidelity and reduction in recalibration frequency, directly contributing to system uptime and reduced maintenance cycles.

Layered design considerations often reveal another vital aspect: component-to-component variability across production lots. Here, the RT0402DRE071K5L demonstrates tight distribution curves, enabling predictably repeatable behavior in contexts such as differential amplifier inputs or matched-bridge arrangements—scenarios where mismatches can induce offset voltages or degrade CMRR. Performance consistency under serial production volumes also simplifies PCB layout and reduces the need for postoperative circuit tuning.

Advanced analog and digital designers frequently exploit this resistor in high-speed data paths and sensitive analog-digital interfaces, balancing parasitic effects with the component’s optimized construction. For instance, replacing conventional thick-film units with these thin-film types in ADC front-ends or clock-buffer terminations has shown measurable enhancements in SNR and jitter figures.

Throughout the product’s lifecycle, close consideration of its endurance under environmental stresses—thermal cycling, mechanical vibration, and humidity—reinforces confidence in deployment within mission-critical domains. Collaborative validation studies highlight its low drift and minimal deviation over thousands of thermal cycles, confirming suitability for harsh environments where long-term consistency is paramount. Notably, the decision to specify such resistors often eliminates the need for expensive space compensation, heat sinking, or external calibration circuits, optimizing both BOM cost and assembly complexity.

This resistor’s profile aligns with evolving trends in circuit miniaturization, high-density packaging, and zero-failure applications, presenting it not merely as a passive element, but as an enabler for advanced electronic system architectures.

RoHS and Environmental Compliance: RT0402DRE071K5L

Environmental compliance, particularly adherence to global standards such as RoHS3, underpins a component’s acceptance in multinational product lifecycles. The RT0402DRE071K5L resistor demonstrates conformance through strict RoHS3 compliance, excluding lead, cadmium, mercury, and other hazardous substances well below regulatory thresholds. This increases design adaptability across jurisdictional borders and accelerates product certification cycles, thus enabling direct entry into EU, North American, and select Asian markets without the friction of regulatory requalification.

A critical element supporting this compliance is the halogen-free epoxy coating, serving a dual role. Firstly, it provides robust electrical and thermal insulation for the chip resistor, helping to maintain reliability metrics during prolonged operational cycles and aggressive reflow profiles. Secondly, the absence of brominated or chlorinated flame retardants ensures low emission of toxic gases during soldering and potential end-of-life disposal, a key requirement in mature environmental management systems that emphasize lifecycle eco-design.

In practice, integrating RoHS-compliant components such as the RT0402DRE071K5L yields multiple operational benefits. Procurement teams experience reduced supplier and part qualification cycles, owing to harmonization with environmental management protocols like ISO 14001. This streamlines BOM consolidation and shortens audit cycles during new product introductions. Furthermore, automated documentation and tracking systems recognize the resistor’s compliance status, simplifying traceability for end customers and improving overall supply-chain transparency.

From a project execution perspective, early selection of thoroughly compliant resistors mitigates latent risks tied to evolving substance restrictions and obsolescence. Design teams achieve more stable long-term sourcing, as regulators increasingly scrutinize legacy exemptions and add new substances to the RoHS framework. Over time, environmental credentials such as halogen-free operation are becoming de facto requirements for approval in Tier 1 programs, particularly where corporate sustainability scores impact business continuity and public sector procurement.

A key insight emerges: by treating environmental compliance not as a late-stage checkbox but as an integral component attribute—comparable with electrical or thermal performance—organizations move beyond risk avoidance, using compliance to drive operational efficiency, market access, and reputational advantage. The RT0402DRE071K5L exemplifies this shift, positioning itself as a preferred choice in environmentally conscious hardware designs destined for diverse regulatory landscapes.

Potential Equivalent/Replacement Models for RT0402DRE071K5L

Alternatives to the RT0402DRE071K5L must be identified through a methodical approach anchored in parameter equivalence and long-term supply viability. The underlying mechanism involves mapping key electrical features—resistance value, tolerance, power rating, temperature coefficient—against the requirements of the target application. Additionally, the geometric form factor (0402) imposes constraints on footprint and automatic assembly compatibility, directly impacting reflow profile and process yield assumptions.

Identifying candidates within the YAGEO RT-Series offers inherent advantages due to similar design rules, process chemistry, and test methodologies, which streamline qualification and change management. Cross-referencing with offerings from tier-one suppliers such as Vishay, Panasonic, Rohm, TE Connectivity, and Susumu provides a buffer against single-source disruptions while capturing a broader envelope of material sets and operational margins. To ensure a seamless interchange, scrutiny of manufacturer datasheets must extend beyond headline ratings; parameters such as the temperature coefficient (e.g., ±50ppm/°C), ESD robustness, and sulfur resistance often determine field reliability, particularly in power-sensitive or precision analog domains.

In practice, subtle variations in termination metallurgy, laser trimming process, or encapsulant type can influence solder joint integrity and long-term drift—a phenomenon sometimes revealed only under accelerated life testing or in corrosive environments. Comparative analysis, therefore, incorporates both specification conformance and documented field performance. For example, process engineers prioritize batch-to-batch consistency and moisture sensitivity level (MSL), as these impact yield and rework protocols. Component engineers often favor BOM alternatives with overlapping automotive and industrial grade approvals, which serves as a silent proxy for higher process tolerances and robust supply chain surveillance.

Choice of a second-source part is more than a formality; it underpins risk hedging for volume ramp-up and production continuity. Direct substitution without in-circuit validation can mask compatibility gaps, such as subtle differences in package coplanarity or solderability window. Controlled pilot builds—integrating candidate components and monitoring performance drift or intermittent failures—provide empirical data to validate equivalence claims.

An effective strategy leverages a pre-qualified cross-reference matrix, regularly updated to reflect shifts in global production portfolios or regulatory standards (e.g., RoHS, REACH). This proactive documentation framework allows engineering teams to quickly pivot sourcing decisions in response to allocation events, obsolescence notices, or sudden changes in compliance requirements.

Ultimately, a layered approach built on robust analysis and practical screening yields more than a simple list of alternatives—it establishes an adaptable architecture capable of absorbing supply chain shocks while maintaining circuit integrity and end-product compliance. This methodology integrates technical rigor with operational foresight, setting the foundation for resilient product platforms.

Conclusion

YAGEO’s RT0402DRE071K5L SMD chip resistor is engineered to address the need for precision resistance in highly space-constrained environments. Its compact 0402 package leverages advanced thin-film deposition techniques, ensuring tight tolerance control down to 1%, which helps maintain consistent circuit parameters even in densely packed layouts. The underlying construction employs nickel barrier end termination and resistive film optimization, reducing susceptibility to soldering defects and minimizing value drift under thermal and electrical load. Rigorous qualification benchmarks, including temperature coefficient and load-life stability assessments, confirm the resistor’s reliability in demanding electronic applications such as automated test equipment, sensor signal conditioning, and clock circuit stabilization.

Component selection often exposes supply chain vulnerabilities, yet the RT0402DRE071K5L mitigates procurement risk through broad market availability and alternative product codes for parallel sourcing. Its RoHS and halogen-free certifications facilitate straightforward integration into environmentally compliant platforms, satisfying the evolving legal and user expectations surrounding hazardous substance management. In practical deployment, the RT series maintains solder pad integrity during high-speed SMT assembly, supporting reflow processes without measurable shift in resistance or end termination delamination—a critical consideration for high-volume production lines where first-pass yield is a persistent concern.

Effective performance in fielded systems depends not only on nominal specification but also on how a resistor absorbs mechanical stress and electrical overvoltage events. The RT0402DRE071K5L displays consistent tolerance retention across humidity and temperature cycles, as validated by process monitoring with time-to-failure thresholds noticeably above industry averages. Experience demonstrates that circuit designers leveraging this component achieve lower rate of warranty returns associated with intermittent failures, due to both the elevated construction standards and the resistor’s ability to maintain electrical stability over a range of mounting densities.

In contemporary electronics, the intersection of regulatory compliance, mechanical robustness, and predictable electrical behavior defines best-in-class passive components. The RT0402DRE071K5L’s convergence of these aspects, coupled with accessible sourcing strategies, represents a progression in passive element design philosophy. This orientation moves beyond mere specification fulfillment, emphasizing integrated reliability and manufacturing assurance—key drivers in the pursuit of higher system uptime and streamlined lifecycle management.

View More expand-more

Catalog

1. Product Overview: YAGEO RT0402DRE071K5L SMD Chip Resistor2. Key Features of RT0402DRE071K5L SMD Resistor3. Technical Specifications of RT0402DRE071K5L4. Construction and Reliability of RT0402DRE071K5L5. Application Scenarios for RT0402DRE071K5L6. RoHS and Environmental Compliance: RT0402DRE071K5L7. Potential Equivalent/Replacement Models for RT0402DRE071K5L8. Conclusion

Reviews

5.0/5.0-(Show up to 5 Ratings)
행***간
Dec 02, 2025
5.0
항상 만족스러운 가격과 친절한 서비스 덕분에 재구매 의사가 있습니다.
Küst***enner
Dec 02, 2025
5.0
Der Service nach dem Kauf bei DiGi Electronics ist schnell und effizient. Die Produktqualität ist unübertroffen.
Gol***Aura
Dec 02, 2025
5.0
DiGi Electronics consistently delivers on time, demonstrating their reliable shipping schedule.
Wil***sion
Dec 02, 2025
5.0
DiGi Electronics consistently delivers high-quality products on time, demonstrating exceptional reliability.
Frost***reams
Dec 02, 2025
5.0
Their support staff is proactive, reaching out after my purchase to ensure everything was perfect.
Suns***ales
Dec 02, 2025
5.0
The team at DiGi Electronics is proactive in resolving post-purchase issues.
Peacef***reamer
Dec 02, 2025
5.0
I’m always satisfied with the value I get from their products.
Peac***lPath
Dec 02, 2025
5.0
I experienced quick shipping and very courteous assistance from the support team.
Blo***uest
Dec 02, 2025
5.0
They consistently deliver speed and durability, making my projects run smoothly.
Publish Evalution
* Product Rating
(Normal/Preferably/Outstanding, default 5 stars)
* Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.

Frequently Asked Questions (FAQ)

What are the key design-in risks when using the RT0402DRE071K5L thin film resistor in precision analog circuits at elevated temperatures?

When designing the RT0402DRE071K5L into precision analog circuits, engineers must account for its ±50ppm/°C temperature coefficient, which can introduce drift in critical gain or reference paths, especially above 85°C. While the RT0402DRE071K5L maintains ±0.5% tolerance and operates up to 155°C, self-heating due to its low 1/16W (0.063W) power rating can amplify thermal drift. To mitigate this, ensure derating to at least 50% of max power (≤31.5mW) and minimize trace resistance in high-impedance nodes. Use symmetric PCB layout to avoid thermal gradients across the resistor, which could create measurement errors in differential or bridge configurations.

Can the RT0402DRE071K5L replace Vishay's CRCW04021K50FKEA in high-stability signal conditioning applications?

Yes, the RT0402DRE071K5L can replace the Vishay CRCW04021K50FKEA in most high-stability applications, but with caveats. Both offer 0.5% tolerance and 0402 package, but the RT0402DRE071K5L uses a thin film construction with ±50ppm/°C TCR, matching Vishay's stability. However, verify pulse load and surge performance—YAGEO's RT series may have lower surge resilience than Vishay's robust termination system. For designs with repetitive voltage transients, test under actual surge conditions or add clamping. Also confirm PCB pad design compatibility; slight geometry differences may affect long-term reliability under thermal cycling.

How does the low power rating of the RT0402DRE071K5L affect reliability in densely packed 0402-layout PCBs?

The 1/16W (0.063W) power rating of the RT0402DRE071K5L requires careful thermal management in high-density 0402 layouts where airflow and heatsinking are limited. In stacked or shielded assemblies, the small 1.00mm x 0.50mm footprint limits heat dissipation, increasing hotspot risks. Derate power to 30–50% of rated capacity (19–31mW) in enclosed environments. Use thermal vias near the pads if adjacent components generate heat. Avoid placing RT0402DRE071K5L near high-power ICs or switching components to prevent exceeding the 155°C max operating temperature, which could accelerate parametric drift or solder joint fatigue.

What are the integration challenges when replacing thick film 0402 resistors with the RT0402DRE071K5L in medical sensing applications?

Replacing thick film 0402 resistors with the RT0402DRE071K5L in medical sensing improves stability due to its thin film construction and ±50ppm/°C TCR, but introduces integration sensitivities. Thick film parts typically have higher TCR (100–200ppm/°C) but better surge tolerance. The RT0402DRE071K5L is more sensitive to soldering profiles—exceeding JEDEC MSL1 reflow limits (peak 260°C) risks film degradation. Use controlled thermal profiling and avoid hand rework without hot gas. Additionally, verify low-voltage linearity; thin film resistors can exhibit non-ohmic behavior at microvolt-level signals, critical in biopotential amplifiers. Evaluate noise performance compared to intended thick film equivalents.

Is the RT0402DRE071K5L suitable for long-term deployment in automotive under-hood environments with wide thermal cycling?

The RT0402DRE071K5L is suitable for automotive under-hood use due to its -55°C to 155°C operating range and thin film stability, but long-term reliability depends on integration practices. Ensure strict adherence to IPC-A-610 Class 3 solder joints and avoid rigid, large-area copper connections that induce mechanical stress during thermal swings. The 0402 size is prone to crack under repeated expansion/contraction; use rounded solder fillets and compliant board materials. Monitor voltage coefficient effects—the RT0402DRE071K5L performs best below 50V, typical in control circuits. For mission-critical functions, perform HALT testing with the final assembly to verify resistance drift and adhesion integrity over 1,000+ thermal cycles.

Quality Assurance (QC)

DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.

Quality Assurance
Counterfeit and defect prevention

Counterfeit and defect prevention

Comprehensive screening to identify counterfeit, refurbished, or defective components, ensuring only authentic and compliant parts are delivered.

Visual and packaging inspection

Visual and packaging inspection

Electrical performance verification

Verification of component appearance, markings, date codes, packaging integrity, and label consistency to ensure traceability and conformity.

Life and reliability evaluation

DiGi Certification
Blogs & Posts
RT0402DRE071K5L CAD Models
productDetail
Please log in first.
No account yet? Register