MOC3023S-TA

Triac, SCR Output Optoisolators Overview

The MOC3023S-TA is a Triac and SCR output optocoupler manufactured by Lite-On Inc. It features a 6-pin SMD/SMT Gull Wing package designed for surface mount applications. The device provides one channel of isolation with an insulation voltage of 5000 Vrms. Key electrical parameters include a maximum forward current (If) of 50 mA, a forward voltage (Vf) of 1.15 V, and power dissipation (Pd) of 330 mW. The output type is a phototriac with a maximum off-state output voltage (Vdrm) of 400 V. It operates without a zero-crossing circuit and functions within a temperature range of -40°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage isolation between input and output circuits using optical coupling technology.
• Designed for direct driving of Triac and SCR loads in AC control applications.
• Utilizes a compact 6-pin SMD package suitable for automated surface mount assembly processes.

Triac, SCR Output Optoisolators Applications

• Solid state relay modules
• AC motor speed control circuits
• Lighting dimmer switches

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix TA against the manufacturer's official datasheet to confirm tape and reel packaging specifications. Ensure that the 6-pin SMD gull wing footprint matches the target PCB design requirements. Cross-reference the 5000 Vrms isolation rating with system safety standards. Confirm operational temperature limits align with the intended environment. Validate RoHS compliance status through official documentation before finalizing procurement orders.

Triac, SCR Output Optoisolators Selection Notes

Select this component when surface mount technology is required for AC switching applications. The absence of a zero-crossing circuit makes it suitable for phase-angle control rather than noise-sensitive switching. Consider the 400 V off-state voltage limit relative to the peak line voltage. Evaluate the thermal management needs given the 330 mW power dissipation rating. Compare pin compatibility with existing designs if replacing through-hole variants.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC30 series of Triac and SCR output optoisolators from Lite-On. It serves as a solid-state interface for controlling high-power AC loads from low-power logic circuits. The SMD variant offers space-saving advantages over traditional DIP packages while maintaining similar electrical performance characteristics for industrial and consumer electronics applications.

Triac, SCR Output Optoisolators Replacement Considerations

MOC3023SM is a documented alternative from onsemi offering comparable functionality with slight variations in isolation voltage and operating temperature range.