TLP3083F(LF4,F

Triac, SCR Output Optoisolators Overview

The TLP3083F(LF4,F is a phototriac output optocoupler featuring an integrated zero-crossing detection circuit. It provides electrical isolation with a rated insulation voltage of 5000 Vrms and supports a maximum repetitive peak off-state voltage of 800 V. The device operates within a temperature range of -25°C to +85°C, dissipating up to 400 mW. Key electrical parameters include a forward current of 10 mA, a forward voltage of 1.15 V, and a maximum trigger current of 5 mA. The on-state RMS current is specified at 100 mA, with a zero-crossing voltage threshold of 20 V.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuit for reduced noise and EMI generation during AC switching
• Wide creepage distance design ensuring high insulation reliability in isolated applications
• High voltage blocking capability suitable for direct connection to mains-powered loads

Triac, SCR Output Optoisolators Applications

• Solid state relays for AC load control
• Motor speed controllers utilizing AC power sources
• Lighting dimmer circuits requiring phase control

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix LF4 against the manufacturer's official datasheet to confirm pinout configuration and package dimensions. Ensure the selected variant matches the required surface mount or through-hole implementation. Cross-reference the insulation voltage ratings with system safety standards before finalizing procurement specifications.

Triac, SCR Output Optoisolators Selection Notes

Select this component when precise zero-crossing switching is required to minimize electromagnetic interference in AC systems. The wide creepage distance makes it suitable for applications demanding robust isolation barriers. Consider the 100 mA RMS current limit when designing for low-power triac triggering scenarios rather than high-current direct drive.

Triac, SCR Output Optoisolators Part Context

This part belongs to Toshiba’s TLP3083 series of phototriac optocouplers designed for AC power control. The series emphasizes safety compliance through enhanced isolation distances. The specific model integrates the zero-crossing function directly into the silicon structure, simplifying external circuit design compared to standard phototriac outputs.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.