MOC3081

Triac, SCR Output Optoisolators Overview

The MOC3081 is a single-channel optocoupler featuring an internal zero-crossing detection circuit and a triac output. It provides 5300Vrms isolation voltage between input and output sides. The device operates within a temperature range of -30°C to 100°C. It utilizes a 6-pin DIP package for through-hole mounting. The component supports AC input signals and includes logic output capabilities.

Triac, SCR Output Optoisolators Feature Summary

• Integrates zero-crossing detection circuitry for reduced electromagnetic interference during switching
• Provides high-voltage electrical isolation via 5300Vrms dielectric barrier
• Features a triac output stage suitable for direct AC load control applications

Triac, SCR Output Optoisolators Applications

• Solid-state relay circuits requiring low noise switching
• AC motor speed control systems
• Lighting dimmer implementations
• Industrial process control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific manufacturer source, as Isocom Components may distribute products originally manufactured by other entities such as Lite-On. Confirm that the received unit matches the exact MOC3081 specification sheet regarding pinout and electrical ratings before integration into final designs.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing functionality is required to minimize inrush current and electrical noise. Ensure the application voltage does not exceed the triac output ratings. Verify that the 6-DIP package dimensions fit the target PCB layout constraints.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC304 series family of optocouplers. It shares functional similarities with other zero-crossing triac output devices but is distinct from transistor or photodarlington output variants. The series is designed for general-purpose AC power switching applications.

Triac, SCR Output Optoisolators Replacement Considerations

MOC3082

Triac, SCR Output Optoisolators FAQ

Does the MOC3081 include zero-crossing detection?

Yes, the MOC3081 integrates a zero-crossing detector to ensure the triac turns on only when the AC line voltage is near zero.

What is the isolation voltage rating?

The device offers an isolation voltage of 5300Vrms between the input LED and the output triac.