EL3083S(TA)

Triac, SCR Output Optoisolators Overview

The EL3083S(TA) is a single-channel Triac and SCR output optocoupler manufactured by Everlight Electronics. It features an integrated zero-crossing detection circuit for low electromagnetic interference switching. The device provides high isolation with an insulation voltage of 5000 Vrms and supports a peak repetitive off-state voltage (VDRM) of 800 V. It operates within a temperature range of -55°C to +100°C. Key electrical parameters include a forward current (If) of 60 mA, forward voltage (Vf) of 1.5 V, power dissipation (Pd) of 330 mW, and a maximum trigger current of 5 mA. The component is housed in a 6-pin PDIP Gull Wing surface-mount package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for reduced noise generation during AC load switching
• High-voltage isolation capability rated at 5000 Vrms between input and output circuits
• Robust off-state blocking voltage supporting up to 800 V for industrial AC applications
• Wide operating temperature range suitable for demanding environmental conditions

Triac, SCR Output Optoisolators Applications

• Solid-state relays requiring precise phase control
• AC motor speed control systems
• Industrial process control equipment
• Lighting dimmer circuits

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to ensure compatibility with required packaging or lead time specifications. Confirm that the procurement channel provides authentic components with traceable manufacturing dates. Check for any regional distribution restrictions or limited availability notices associated with this specific part number before finalizing orders.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electrical noise in AC control applications. Ensure the system voltage does not exceed the 800 V off-state rating. Verify that the PCB layout accommodates the 6-pin SMD gull-wing package dimensions. Consider the 5000 Vrms isolation requirement for safety compliance in mains-connected designs.

Triac, SCR Output Optoisolators Part Context

This device belongs to the family of Triac and SCR output optocouplers designed for AC power control. It integrates a gallium arsenide infrared LED emitter with a silicon photo-triac detector. The inclusion of zero-crossing logic distinguishes it from random-phase variants, making it ideal for applications where turn-on timing must coincide with the AC voltage waveform zero point to reduce surge currents.

Triac, SCR Output Optoisolators Replacement Considerations

Consult official substitution guides for equivalent parts with matching isolation voltages and zero-crossing functionality. Verify pinout compatibility and thermal characteristics before replacing.