MOC3071M

Triac, SCR Output Optoisolators Overview

The MOC3071M is a random-phase Triac driver optocoupler manufactured by onsemi. It features a single channel with an isolation voltage of 4170Vrms and supports a peak off-state voltage of 800 V. The device operates within a temperature range of -40°C to 85°C, with a maximum DC forward current of 60 mA and a typical LED forward voltage of 1.18 V. Key electrical characteristics include a minimum static dV/dt of 1kV/µs, a maximum LED trigger current of 15 mA, and a typical holding current of 540µA.

Triac, SCR Output Optoisolators Feature Summary

• Provides galvanic isolation between control circuitry and high-voltage AC loads via a random-phase Triac output stage.
• Designed for direct interfacing with logic-level inputs to drive Triacs in AC power switching applications.
• Ensures reliable operation under high transient voltage conditions with specified static dV/dt immunity.

Triac, SCR Output Optoisolators Applications

• Solid-state relays (SSRs) for industrial load control
• AC motor speed controllers and soft starters
• Lighting dimmer circuits for residential and commercial fixtures

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix against official documentation to confirm package type and compliance status. Ensure the ordered variant matches the required isolation voltage and thermal specifications for the target application environment. Cross-reference manufacturer datasheets for accurate handling and storage guidelines.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random-phase triggering is acceptable for the AC load, as it does not include zero-crossing detection. Evaluate the 800 V peak off-state voltage rating against the maximum line voltage and transient spikes present in the system. Confirm that the 6-pin DIP or SMD package aligns with the PCB layout constraints.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3071M series of Triac driver optocouplers from onsemi. It serves as a standard interface solution for isolating low-power control signals from mains-powered AC devices. The series is widely utilized in consumer electronics and industrial equipment requiring robust electrical isolation.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not provided in the available source material. Consult the manufacturer's official cross-reference guides for verified alternatives.