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CRCW2512499RFKTG
Vishay Dale
RES SMD 499 OHM 1% 1W 2512
2246 Pcs New Original In Stock
499 Ohms ±1% 1W Chip Resistor 2512 (6432 Metric) Automotive AEC-Q200 Thick Film
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5.0 / 5.0
- (95 Ratings)
CRCW2512499RFKTG
Product Overview
1153744
DiGi Electronics Part Number
CRCW2512499RFKTG-DGManufacturer
Vishay Dale
CRCW2512499RFKTG
Description
RES SMD 499 OHM 1% 1W 2512Inventory
2246 Pcs New Original In Stock
499 Ohms ±1% 1W Chip Resistor 2512 (6432 Metric) Automotive AEC-Q200 Thick Film
Quantity
Minimum 1
Minimum 1
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CRCW2512499RFKTG Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
CRCW
Product Status
Active
Resistance
499 Ohms
Tolerance
±1%
Power (Watts)
1W
Composition
Thick Film
Features
Automotive AEC-Q200
Temperature Coefficient
±100ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
2512 (6432 Metric)
Supplier Device Package
2512
Ratings
AEC-Q200
Size / Dimension
0.248" L x 0.124" W (6.30mm x 3.15mm)
Height - Seated (Max)
0.028" (0.70mm)
Number of Terminations
2
Failure Rate
-
Base Product Number
CRCW2512
Datasheet & Documents
HTML Datasheet
CRCW2512499RFKTG-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
541-CRCW2512499RFKTGTR
CRCW2512 100 499R 1% R67
CRCW2512499RFKTG-DG
CRCW25124990FR67
541-CRCW2512499RFKTGDKR
541-CRCW2512499RFKTGCT
Standard Package
2,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Je recommande vivement DiGi Electronics pour leur excellente gestion des stocks et leur support après-vente.
Dec 02, 2025
The platform is smooth and efficient, making every purchase satisfying.
Dec 02, 2025
Excellent after-sales care that makes me confident shopping here.
Dec 02, 2025
Fast shipping combined with courteous service — a perfect shopping experience.
Dec 02, 2025
The team’s responsiveness post-purchase reassures us that our investment is well-supported.
Dec 02, 2025
The communication lines with DiGi Electronics are clear and prompt, ensuring our procurement process is smooth and efficient.
Dec 02, 2025
The team’s support after sales is exceptional and very responsive.
Dec 02, 2025
The responsiveness of their after-sales team is truly commendable, addressing issues with urgency.
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Frequently Asked Questions (FAQ)
When designing with the Vishay CRCW2512499RFKTG in an automotive environment, what potential thermal runaway risks should engineers consider given its 1W power rating and -55°C to 155°C operating temperature range?
When using the Vishay CRCW2512499RFKTG in automotive applications, engineers must carefully manage power dissipation to prevent thermal runaway. While rated for 1W, continuous operation at the upper end of its 155°C operating temperature will significantly de-rate its power handling capability. Consider implementing heatsinking or ensuring adequate airflow to maintain junction temperatures well below the maximum, especially in high ambient temperature scenarios common in vehicles. Derating curves provided by Vishay for the CRCW2512 series under specific thermal conditions are crucial for accurate design and reliability. Don't assume the 1W rating is achievable at maximum ambient temperatures without proper thermal management.
I need to replace a CRCW2512499RFKTG in a critical automotive circuit. What are the key electrical and environmental considerations when selecting a substitute like the RC2512FK-07499RL or RMCF2512FT499R to ensure comparable performance and reliability?
When substituting the Vishay CRCW2512499RFKTG with parts like the RC2512FK-07499RL or RMCF2512FT499R, prioritize matching critical parameters beyond just resistance and tolerance. Verify that the chosen substitute also meets AEC-Q200 qualification for automotive robustness. Pay close attention to the temperature coefficient (TC) and power derating curves, as variations can impact circuit stability over temperature extremes. While the CRCW2512499RFKTG has a ±100ppm/°C TC, ensure substitutes offer comparable or better stability. Also, confirm the physical dimensions (2512 package) and termination materials are compatible with your existing PCB and reflow soldering process to avoid integration issues with the RC2512FK-07499RL or RMCF2512FT499R.
What are the primary risks of exceeding the 1W power rating of the Vishay CRCW2512499RFKTG, even momentarily, in a high-vibration automotive ECU, and how can I mitigate them?
Exceeding the 1W power rating of the Vishay CRCW2512499RFKTG, even briefly, can lead to immediate failure through solder joint cracking or resistive element burnout, especially in a high-vibration automotive ECU. Transient overloads can cause localized heating that stresses the component's internal structure. Mitigation strategies include implementing current limiting circuitry, fuse protection, or ensuring robust design margins that prevent peak power excursions from reaching the CRCW2512499RFKTG. Analyzing worst-case power scenarios and considering a resistor with a higher power rating, or a parallel resistor network, can significantly reduce the risk of failure in high-vibration environments.
Given the Vishay CRCW2512499RFKTG is RoHS non-compliant, what are the practical implications for long-term automotive supply chain management and design obsolescence planning, especially concerning its 'Active' product status?
The RoHS non-compliance of the Vishay CRCW2512499RFKTG presents a significant long-term supply chain risk for automotive designs. While the part is currently 'Active' and available, regulatory shifts or stricter environmental compliance demands from OEMs could lead to its discontinuation or unavailability in the future, despite its active status. This necessitates proactive obsolescence planning. Engineers should actively explore and qualify AEC-Q200 compliant RoHS-alternative resistors, such as the RMCF2512FT499R or RC2512FK-07499RL, even if the CRCW2512499RFKTG is currently in stock. Maintaining a qualified second source is critical to avoid costly redesigns or production halts.
For a demanding automotive sensor circuit requiring stable 499 Ohm resistance across a wide temperature range, what are the potential performance degradation issues if the ±100ppm/°C temperature coefficient of the Vishay CRCW2512499RFKTG is not adequately accounted for in circuit modeling?
Failing to account for the ±100ppm/°C temperature coefficient of the Vishay CRCW2512499RFKTG in a demanding automotive sensor circuit can lead to significant performance degradation. This TC means the resistance can change by approximately ±49.9 Ohms over the component's operating range (-55°C to 155°C). For sensitive sensor circuits, this drift can translate to inaccurate readings, compromised signal integrity, or even incorrect system operation. Engineers should model this resistance variation using worst-case TC values and consider circuits that are less sensitive to resistance changes, or alternatively, use resistors with significantly lower TCs like those found in metal foil technologies if absolute precision is paramount and the budget allows.
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.
CRCW2512499RFKTG CAD Models
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