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IL4118-X007
Vishay Semiconductor Opto Division
OPTOISOLATOR 5.3KV TRIAC
1559 Pcs New Original In Stock
Optoisolator Triac Output 5300Vrms 1 Channel
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5.0 / 5.0
- (443 Ratings)
IL4118-X007
Product Overview
1186546
DiGi Electronics Part Number
IL4118-X007-DGManufacturer
Vishay Semiconductor Opto Division
IL4118-X007
Description
OPTOISOLATOR 5.3KV TRIACInventory
1559 Pcs New Original In Stock
Optoisolator Triac Output 5300Vrms 1 Channel
Quantity
Minimum 1
Minimum 1
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IL4118-X007 Technical Specifications
Category
Optoisolators, Triac, SCR Output Optoisolators
Packaging
Tube
Series
-
Product Status
Active
Output Type
Triac
Zero Crossing Circuit
Yes
Number of Channels
1
Voltage - Isolation
5300Vrms
Voltage - Off State
800 V
Static dV/dt (Min)
10kV/µs
Current - LED Trigger (Ift) (Max)
1.3mA
Current - On State (It (RMS)) (Max)
300 mA
Current - Hold (Ih)
200µA
Turn On Time
35µs
Voltage - Forward (Vf) (Typ)
1.3V
Current - DC Forward (If) (Max)
60 mA
Operating Temperature
-55°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
6-SMD
Approval Agency
BSI, CSA, cUR, FIMKO, UR
Base Product Number
IL4118
Datasheet & Documents
HTML Datasheet
IL4118-X007-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
빠른 배송과 안전한 포장이 인상 깊었습니다.
Dec 02, 2025
Ils disposent de tout ce dont j'ai besoin en matière de composants, et leur assistance après-vente est très rassurante.
Dec 02, 2025
DiGi Electronics’ rapid delivery service is a significant advantage for my fast-paced projects.
Dec 02, 2025
My go-to store for tech needs because of their wallet-friendly prices and friendly support.
Dec 02, 2025
Shopping here is a pleasant experience, thanks to their price transparency and reliable support.
Dec 02, 2025
I appreciate their promptness in shipping, and the products feel sturdy enough to withstand rough handling.
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Frequently Asked Questions (FAQ)
Can the IL4118-X007 be used in high-noise industrial environments without false triac triggering, and how does its static dV/dt rating affect system reliability?
Yes, the IL4118-X007 is designed for robust performance in electrically noisy environments due to its high static dV/dt rating of 10kV/µs (minimum), which helps prevent false triggering caused by voltage transients across the triac. In industrial motor controls or HVAC systems where EMI and voltage spikes are common, this ensures reliable zero-crossing switching without unintended turn-on. However, designers should still implement a series resistor (e.g., 100Ω to 1kΩ) between the LED driver and the IL4118-X007 input to limit surge current and couple it with proper PCB layout practices—such as minimizing trace loops and isolating high-voltage nodes—to further reduce noise coupling risks. This combination enhances long-term reliability in challenging electrical environments.
How does the IL4118-X007 compare to the MOC3053M in AC load switching applications, and what are the critical design-in trade-offs?
The IL4118-X007 and MOC3053M are both zero-crossing triac optocouplers, but the IL4118-X007 offers superior isolation at 5300Vrms vs. 4170Vrms for the MOC3053M, making it more suitable for high-voltage or safety-critical applications. Additionally, the IL4118-X007 has a lower LED trigger current (1.3mA max vs. 5mA), enabling direct drive from low-power microcontrollers without additional buffering. However, the MOC3053M comes in a DIP-6 package, which may be preferred for through-hole designs or manual prototyping. When replacing a MOC3053M with the IL4118-X007 in a surface-mount design, ensure the footprint matches the 6-SMD outline and verify that the reduced trigger current doesn’t cause issues with existing current-limiting resistors—adjust the series resistor value accordingly to avoid LED overdrive under low-Vf conditions.
What are the risks of using the IL4118-X007 beyond its 300mA RMS on-state current rating in solenoid or lamp control circuits?
Exceeding the 300mA RMS maximum on-state current (It RMS) of the IL4118-X007 significantly increases the risk of thermal overstress and premature triac failure, especially in inductive loads like solenoids or high-inrush devices such as incandescent lamps. The internal triac is not designed for sustained overloads, and even momentary surges beyond rating can degrade the die over time. To mitigate this, use the IL4118-X007 only as a trigger device driving a larger external triac or solid-state relay for higher-current loads. Always calculate RMS current including harmonic content and transient surges—consider a 20–30% derating for reliability. For loads above 200mA RMS, a buffer stage is strongly recommended to ensure system robustness and compliance with safety standards.
Can the IL4118-X007 be replaced directly with the IL4218C in new designs, and what are the key compatibility concerns?
While the IL4218C is functionally similar to the IL4118-X007—both are SMD zero-crossing triac optocouplers with 5300Vrms isolation—direct replacement requires caution due to differences in packaging and thermal performance. The IL4218C features an optimized thermal path for higher power dissipation, potentially allowing better performance under sustained loads. However, the pinout and footprint must be verified as compatible. If migrating from IL4118-X007 to IL4218C, confirm that the PCB layout supports the exact 6-SMD package dimensions and that the driving circuit can handle any variation in LED forward voltage or trigger sensitivity. Additionally, validate performance under worst-case low-temperature conditions, as C-grade variants may have tighter parameter control but higher cost—justifying change only if improved reliability or thermal headroom is needed.
What PCB layout and thermal considerations are critical when designing with the IL4118-X007 in compact surface-mount systems?
When integrating the IL4118-X007 in densely packed SMT designs, proper PCB layout is crucial to manage thermal stress and ensure long-term reliability. Use adequate copper pours on the triac output pins (T1/T2) to act as heat sinks, but ensure creepage and clearance distances are maintained per 5300Vrms isolation requirements (typically >8mm in pollution degree 2 environments). Avoid placing the IL4118-X007 near hot components like power resistors or transformers to prevent exceeding its 100°C max operating temperature. Additionally, follow MSL1 handling guidelines—even though moisture sensitivity is unlimited, avoid prolonged exposure to humid environments before reflow. For robust thermal performance, consider stitching thermal vias under the ground-connected pins (if applicable) and verify board temperature under full load via IR imaging or thermal probes during prototype testing.
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.
IL4118-X007 CAD Models
Vishay Semiconductor Opto Division IL4118-X007 PCB symbols & footprints
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