MOC3042X

Triac, SCR Output Optoisolators Overview

The MOC3042X is a zero-crossing triac output optocoupler from the Isocom MOC304 series. It features a 6-pin DIP package with one channel. Key electrical parameters include an isolation voltage of 5300Vrms and a peak off-state voltage of 7500Vpk. The device supports a maximum input current of 50mA and has a maximum forward voltage of 1.4V. Operating temperatures range from -40°C to 100°C. Certifications include UL, VDE, and CECC.

Triac, SCR Output Optoisolators Feature Summary

• Zero-voltage crossing switching capability for reduced electromagnetic interference
• High isolation voltage rating for safe circuit separation
• Integrated triac driver for direct AC load control

Triac, SCR Output Optoisolators Applications

• Solid state relay drivers
• AC power switching circuits
• Motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific manufacturer designation, as Isocom Components 2004 LTD may be a distributor or subsidiary entity associated with the original technology holder. Confirm that the 6-DIP package matches the required footprint and pin spacing specifications for the target PCB design. Ensure the zero-crossing function aligns with the noise immunity requirements of the application environment.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing detection is required to minimize inrush current and EMI in AC switching applications. The high isolation voltage makes it suitable for mains-connected loads. Consider the 6-pin DIP form factor for through-hole assembly processes. Verify that the 400V output rating meets the peak voltage demands of the controlled triac or SCR gate circuit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC304 series of optotriacs designed for AC power control. It integrates an infrared LED emitter with a silicon triac detector on a zero-crossing detection circuit. The series is widely used in industrial and consumer electronics for isolating low-voltage control logic from high-voltage AC lines while ensuring smooth switching transitions.

Triac, SCR Output Optoisolators Replacement Considerations

MOC3041X, MOC3043X, MOC3044X, MOC3045X, MOC3046X, MOC3062M, MOC3082M.