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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV TRIAC 1CH 6-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：250 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：100 mA
- Current - Hold (Ih)：280µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Approval Agency：CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL
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Overview
The EL3031S(TA) is a zero-crossing triac output optocoupler manufactured by Everlight Electronics. It integrates a gallium arsenide infrared emitting diode with a monolithic silicon photo-triac. The device provides an isolation voltage of 5000 Vrms and features a minimum off-state peak voltage of 250 V. It operates within a temperature range of -55 °C to +100 °C, supports a maximum forward current of 60 mA, and has a typical holding current of 280 µA.
Feature Summary
- Incorporates internal zero-voltage crossing circuitry for reduced electromagnetic interference during switching.
- Provides high electrical isolation between input and output terminals rated at 5000 Vrms.
- Utilizes a compact surface-mount package suitable for automated assembly processes.
Applications
- Interfacing electronic controls with power triacs for AC load management
- Solenoid and valve control systems
- Lamp ballast driver circuits
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm the specific suffix designation matches project requirements. Review the latest datasheet for compliance certifications including UL and VDE recognition. Ensure storage conditions align with moisture sensitivity levels prior to soldering.
Selection Notes
Select this component when zero-crossing functionality is required to minimize inrush currents and noise. Compare the 250 V blocking voltage against line voltage requirements. Evaluate the 6-pin SMD footprint against available PCB space. Consider thermal dissipation limits relative to the operating environment.
Part Context
This part belongs to the EL303X series of zero-crossing triac drivers. It shares architectural similarities with other models in the family but differs in peak voltage ratings and packaging options. The series is designed for general-purpose AC power control applications requiring reliable optical isolation.
Replacement Considerations
Direct substitutes include EL3031S(TB) and EL3031S(P5)-V. Verify pinout compatibility and package dimensions before substitution. Ensure replacement parts maintain equivalent isolation voltage and zero-crossing characteristics.
