FODM3083

Triac, SCR Output Optoisolators Overview

The onsemi FODM3083 is a single-channel, surface-mount optocoupler featuring a PhotoTriac output with an integrated zero-crossing detection circuit. It provides high isolation voltage of 3750Vrms and supports a maximum forward current of 60mA with a typical forward voltage of 1.5V. The device operates within a temperature range of -40°C to +100°C and offers a blocking voltage of 800V. Designed for logic-to-equipment interfacing, it ensures reliable signal transmission in AC power control applications.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuit for precise timing control
• High isolation voltage capability for safe interface between logic systems and equipment
• Mini-Flat package design suitable for surface mount applications

Triac, SCR Output Optoisolators Applications

• Logic system interfacing with AC-powered equipment
• Solid-state relay driver circuits
• AC power switching control systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific ordering suffix (e.g., R2) to confirm packaging type, as standard tubes differ from reels. Confirm RoHS compliance status and check for recent PCN updates regarding assembly or material changes. Ensure the selected variant matches the required lead time and moisture sensitivity level for your production schedule.

Triac, SCR Output Optoisolators Selection Notes

Select this component when interfacing low-voltage logic signals with AC mains or high-voltage loads requiring zero-crossing switching. Consider the 3750Vrms isolation rating for safety-critical designs. Evaluate the 60mA input current limit against your driving source capabilities. The Mini-Flat package is ideal for space-constrained PCB layouts compared to traditional DIP packages.

Triac, SCR Output Optoisolators Part Context

The FODM3083 belongs to the FODM30 series of optocouplers from onsemi. This family focuses on providing robust isolation and reliable performance for industrial and consumer electronics. The device utilizes a PhotoTriac output architecture, distinguishing it from logic-output variants within the same series.

Triac, SCR Output Optoisolators Replacement Considerations

Direct substitutes include other FODM308X series devices from onsemi, such as the FODM3081 or FODM3082, provided they meet the specific voltage and current requirements. Cross-manufacturer replacements require careful verification of pinout compatibility, isolation ratings, and trigger current specifications.