MOC3052S-TA

Triac, SCR Output Optoisolators Overview

The MOC3052S-TA is a zero-crossing triac output optocoupler manufactured by Lite-On. It features an SMD-6 package and includes an integrated zero-crossing detection circuit for low EMI switching. Key electrical parameters include an isolation voltage of 5000 VRMS, a minimum off-state repetitive peak voltage (VDRM) of 600 V, and a static dv/dt of 1000 V/μs. The device supports a maximum forward current of 30 mA with a forward voltage of 1.2 V and power dissipation of 330 mW. Operating temperature ranges from -25°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for reduced electromagnetic interference during AC load switching
• High insulation capability with 5000 VRMS isolation voltage between input and output circuits
• Robust off-state performance with high repetitive peak off-state voltage and critical rate of rise of off-state voltage

Triac, SCR Output Optoisolators Applications

• AC motor drive control systems
• Solid state relays (SSR)
• General purpose AC load switching applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix TA against the manufacturer's official datasheet to confirm surface mount packaging and tape-and-reel configuration. Ensure compatibility with RoHS directives and relevant safety certifications such as UL, CSA, and VDE before integration into final equipment designs.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing functionality is required to minimize inrush currents and noise in AC applications. Compare the SMD-6 footprint requirements against available board space. Confirm that the 600 V blocking voltage meets the peak line voltage requirements of the target AC circuit design.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC305x series of triac driver optocouplers. It serves as a solid-state interface for controlling high-voltage AC loads using low-voltage DC signals. The series is widely used in consumer electronics and industrial control panels where electrical isolation and noise suppression are critical design factors.

Triac, SCR Output Optoisolators Replacement Considerations

Direct pin-compatible replacements within the same family include MOC3052M or MOC3052S. Verify that substitute parts maintain the zero-crossing feature and identical isolation ratings to ensure circuit integrity.