TLP161G(T7TL,U,C,F

Triac, SCR Output Optoisolators Overview

The TLP161G(T7TL,U,C,F is a triac-output optocoupler manufactured by Toshiba Semiconductor and Storage. It consists of an infrared emitting diode and a photo-triac integrated into a small outline package suitable for surface mount assembly. The device provides electrical isolation between input and output circuits, enabling AC load control applications. This specific part number variant is classified as obsolete and end-of-life status, indicating it is no longer actively manufactured or supported by the original equipment manufacturer.

Triac, SCR Output Optoisolators Feature Summary

• Integrates an infrared LED and a photo-triac for optical signal transmission
• Designed for surface mount assembly in small outline packages
• Provides electrical isolation for AC load control applications

Triac, SCR Output Optoisolators Applications

• Industrial control systems requiring AC load switching
• Solid-state relay implementations
• AC power control circuits

Triac, SCR Output Optoisolators Procurement Notes

This component is officially listed as End of Life (EOL) and obsolete by Toshiba Semiconductor and Storage. Availability is restricted to existing stock from third-party distributors. Verification of authenticity and lot date codes is critical when sourcing from non-authorized channels. Designers should prioritize immediate qualification of replacement parts to ensure long-term supply chain stability and avoid production disruptions due to component unavailability.

Triac, SCR Output Optoisolators Selection Notes

Engineers selecting this component must account for its obsolete status and limited future availability. The TLP161G series offers basic triac output isolation suitable for moderate-speed switching tasks. When evaluating alternatives, consider parameters such as peak repetitive off-state voltage, on-state current capacity, and isolation voltage ratings. Ensure that any substitute maintains compatible pinout configurations and thermal characteristics to facilitate seamless integration into existing PCB layouts without extensive redesign.

Triac, SCR Output Optoisolators Part Context

The TLP161G belongs to Toshiba's mini flat coupler family, designed for compact surface mount applications. This series typically includes variants with different suffixes indicating packaging or tape-and-reel options. The TLP161G specifically utilizes a photo-triac output structure, distinguishing it from phototransistor-based optocouplers like the TLP160G. These devices are engineered for reliable operation in industrial environments where galvanic isolation is required for safety and noise immunity.

Triac, SCR Output Optoisolators Replacement Considerations

Publicly confirmed similar substitutes include the TLP266J(T7- series. Engineers should verify electrical compatibility, including isolation voltage and current handling capabilities, before implementing replacements. Cross-reference datasheets to ensure pinout alignment and thermal performance match the original design requirements.