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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：No
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：100V/µs (Typ)
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：100 mA
- Current - Hold (Ih)：250µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.18V
- 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 EL3021S1(TA) is a surface mount Triac output optocoupler manufactured by Everlight Electronics. It features a GaAs infrared LED coupled to a triac detector, providing random-phase triggering without zero-crossing circuitry. The device offers high isolation with a rated voltage of 5000 Vrms and supports an operating temperature range from -55°C to +100°C. Key electrical parameters include a peak off-state voltage of 400V, a maximum forward current of 60mA, and a typical trigger current of 15mA.
Feature Summary
- Random-phase triac output for AC power control applications
- High isolation voltage rating of 5000 Vrms between input and output
- Surface mount package configuration for automated assembly
- Wide operating temperature range suitable for industrial environments
Applications
- AC motor speed control systems
- Solid state relay (SSR) modules
- Lighting dimmer circuits
- Heater control interfaces
Procurement Notes
Verify the specific suffix TA indicates the tape and reel packaging option when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required surface mount footprint dimensions. Cross-reference the datasheet revision date to confirm parameter accuracy against current production standards.
Selection Notes
Select this component for applications requiring random-phase triggering rather than zero-crossing switching. The 400V off-state voltage rating limits suitability to lower voltage AC loads compared to higher-rated series variants. Consider the 60mA forward current limit when designing the input drive circuit. Verify thermal management requirements given the 100°C maximum operating temperature specification.
Part Context
This part belongs to the EL302X series of Triac output optocouplers from Everlight. It shares architectural similarities with other members like the EL3022 but differs in specific voltage ratings or packaging options. The series provides isolated control for AC devices using infrared transmission technology.
Replacement Considerations
Direct substitutes within the same family include the EL3022S1(TA) if higher voltage ratings are acceptable. Verify pinout compatibility and isolation voltage specifications before swapping components. Check datasheets for differences in trigger current characteristics to ensure circuit stability.
