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The EL3021S1(TA)-V is a surface-mount Triac output optocoupler from Everlight. It integrates a Gallium Arsenide infrared emitting diode with a monolithic silicon random phase photo Triac. The device provides high isolation voltage of 5000 Vrms between input and output circuits. It features a minimum off-state peak voltage of 400 V. The component operates within a temperature range of -55°C to +100°C. It is designed for interfacing electronic controls with power Triacs in AC applications.
Verify the specific suffix TA-V against official Everlight documentation to confirm surface mount package type and compliance status. Ensure the procurement source provides valid UL and VDE recognition numbers as specified in the datasheet. Confirm availability through authorized distributors as supply may be restricted. Validate RoHS compliance status prior to integration into final assemblies.
Select this component when random phase triggering is required rather than zero-crossing switching. Choose based on the 400 V off-state voltage rating for appropriate line voltage handling. Consider the surface mount package for PCB space constraints. Verify that the 5000 Vrms isolation meets safety requirements for the target application environment.
This part belongs to the EL302X series of Triac output optocouplers. The series includes variants with different breakdown voltages such as 250 V and 600 V options. These devices are commonly used in industrial automation and consumer electronics for AC power control. The manufacturer offers both DIP and surface mount packages within this product family.
No, the EL3021S1(TA)-V is a random phase Triac driver. It does not feature zero-crossing detection; it triggers at any point in the AC cycle.
The maximum operating temperature is +100°C according to the official specifications.