TLP781F(D4YH-LF7,F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781F(D4YH-LF7,F) is a single-channel optocoupler featuring a gallium arsenide infrared emitting diode and a silicon phototransistor. It utilizes a DIP-4 package with a 10.16mm pitch, designed for through-hole mounting. The device provides a minimum isolation voltage of 5000Vrms and supports a collector-emitter voltage of 80V. Key electrical parameters include a typical forward voltage of 1.3V, a maximum DC forward current of 25mA, and a minimum current transfer ratio of 100% at the GB rank. Operating temperatures range from -25°C to 85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability of 5000Vrms between input and output circuits
• Optical coupling via gallium arsenide infrared LED and silicon phototransistor
• DIP-4 package configuration with extended 10.16mm pin pitch

Transistor, Photovoltaic Output Optoisolators Applications

• Office equipment signal transmission
• Household appliance control interfaces
• Solid state relay driver circuits
• Switching power supply feedback loops
• Controllers requiring voltage level shifting

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'D4YH' against official Toshiba Semiconductor and Storage documentation to confirm pin pitch and package dimensions. Ensure the requested variant matches the required current transfer ratio rank (e.g., GB). Confirm RoHS compliance status and lead-free specifications directly from the manufacturer's datasheet before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a wide pin pitch is necessary for PCB layout or mechanical stability in through-hole designs. The high isolation rating suits applications involving significant potential differences between isolated domains. Consider the 80V collector-emitter voltage limit and the specific CTR requirements for the intended load driving capabilities within the target operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP781 series, which integrates an infrared LED with a phototransistor for galvanic isolation. The TLP781F designation specifically indicates the DIP-4 package variant with a 10.16mm pitch, distinguishing it from standard DIP-4 versions with narrower spacing. This series is engineered for reliable signal transmission across different voltage domains in various electronic systems.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP781(D4-GB-LF7)