FODM3051R3

Triac, SCR Output Optoisolators Overview

The FODM3051R3 is a single-channel Triac output optocoupler manufactured by onsemi. It features a Mini-Flat surface-mount package with four pins. The device provides an isolation voltage of 3750 Vrms and supports a maximum repetitive peak off-state voltage of 600 V. It operates within a temperature range of -40°C to +100°C. Key electrical parameters include a maximum forward current of 60 mA, a typical holding current of 300 µA, and a minimum static dV/dt rating of 1 kV/µs.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage isolation between control circuits and AC loads via optical coupling.
• Designed for random-phase triggering without integrated zero-crossing detection circuitry.
• Utilizes a compact Mini-Flat surface-mount package suitable for automated assembly.

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC motor control systems
• Industrial process control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., R3) against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Confirm component availability status as older variants may be discontinued or subject to last-time buys. Ensure the selected part number matches the required insulation voltage and thermal performance for the target application environment.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random-phase triac firing is required rather than zero-cross switching. Evaluate the 600 V blocking capability against the peak line voltage. Consider the 3750 Vrms isolation rating for safety compliance. Verify that the 70 mA RMS output current meets the load requirements. Check compatibility with the Mini-Flat footprint during PCB layout design.

Triac, SCR Output Optoisolators Part Context

This device belongs to the FODM30 series of Triac output optocouplers from onsemi. The series offers various packaging options including through-hole and surface-mount configurations. The FODM3051R3 specifically denotes the Mini-Flat SMD variant within this family, sharing core electrical characteristics with other members like the FODM3052 and FODM3053 while differing in physical form factor.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with onsemi's official replacement guide or contact the manufacturer directly for qualified alternatives if this specific part number is unavailable.