TLP266J(V4T7TL,E

Triac, SCR Output Optoisolators Overview

The TLP266J(V4T7TL,E) is a phototriac output optocoupler featuring an integrated zero-crossing detection circuit. It provides electrical isolation between control and load circuits with a rated insulation voltage of 3750 Vrms. The device utilizes a GaAs infrared LED input and a photo-triac output, housed in a compact SO-6-4 surface mount package. Key electrical parameters include a maximum forward current of 20 mA, a peak off-state voltage (VDRM) of 600 V, and a maximum trigger current of 10 mA. The unit supports a power dissipation of 200 mW and operates within a temperature range of -25°C to +85°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing circuit for reduced electromagnetic interference during AC switching
• High isolation voltage capability ensuring safe separation of high-voltage loads
• Compact surface-mount packaging suitable for space-constrained designs

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC load switching in industrial control systems
• Home appliance control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix configuration when ordering, as variations such as tape-and-reel quantities or alternative packaging formats may exist within the TLP266J family. Confirm that the selected variant matches the required zero-crossing functionality and package type for the target PCB layout. Cross-reference the manufacturer datasheet to ensure compliance with the intended operating temperature range and isolation requirements before finalizing procurement.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing detection is required to minimize inrush current and noise generation in AC applications. Ensure the load current does not exceed the RMS rating specified in the datasheet. Consider the thermal dissipation capabilities of the SO-6-4 package if multiple units are placed closely together on the board. Verify that the input drive current remains within the recommended limits to guarantee reliable triggering without damaging the internal LED.

Triac, SCR Output Optoisolators Part Context

This part belongs to Toshiba's TLP266J series of phototriac output optocouplers. The series is designed for general-purpose AC load control applications requiring high isolation. Variants within the series differ primarily by packaging style and shipping quantity, while maintaining consistent core electrical characteristics such as isolation voltage and zero-crossing functionality.

Triac, SCR Output Optoisolators Replacement Considerations

Direct replacements must share the same pinout, zero-crossing feature, and package dimensions. Compatible alternatives from other manufacturers should be evaluated based on matching VDRM, isolation voltage, and trigger current specifications. Always verify mechanical footprint compatibility and thermal performance before substituting.