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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 EL3021S(TA) is a surface-mount Triac & SCR Output Optocoupler manufactured by Everlight. It features a GaAs infrared emitting diode optically coupled to a triac output device with zero voltage crossing capability. The component provides high isolation voltage between input and output, rated at 5000 V rms. It operates within a temperature range of -55°C to +100°C and supports a peak breakdown voltage of 400V. The package is a 6-pin SMD configuration.
Feature Summary
- Integrates a GaAs infrared LED with a triac output for optical signal transmission
- Provides high electrical isolation with a 5000 V rms insulation voltage rating
- Features zero voltage crossing functionality for reduced electromagnetic interference
- Complies with RoHS standards and holds UL and VDE approvals
Applications
- Solid-state relay driver circuits
- AC motor control systems
- Lighting control applications
- Industrial automation interfaces
Procurement Notes
Verify the specific suffix (e.g., TA, P5) against official Everlight documentation to confirm pinout and packaging details. Ensure compliance with regional regulatory requirements such as RoHS. Confirm availability through authorized distributors as supply status may vary. Cross-reference datasheet parameters for thermal and electrical limits before integration.
Selection Notes
Select this component for applications requiring galvanic isolation in AC switching environments. The zero-voltage crossing feature minimizes noise and stress on connected loads. Consider the 400V peak blocking voltage for appropriate circuit voltage ratings. Verify that the surface-mount package fits the PCB layout constraints and thermal management requirements.
Part Context
This part belongs to the EL302X series of Triac & SCR Output Optocouplers from Everlight. The series includes variants with different peak blocking voltages, such as 250V, 400V, 600V, and 800V options. These devices are designed for reliable performance in industrial and consumer electronics where safety isolation is critical.
Replacement Considerations
Compatible alternatives include other zero-crossing triac optocouplers from manufacturers like ON Semiconductor or Toshiba. Ensure substitute parts match the 5000 Vrms isolation voltage and 400V blocking voltage specifications. Verify pin compatibility and package dimensions for direct replacement.
