TLP781F(D4FUNBLL,F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781F(D4FUNBLL,F) is a transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with a silicon phototransistor in a four-lead plastic DIP package. The device provides high isolation voltage of 5000 Vrms minimum. Key electrical parameters include a collector-emitter breakdown voltage of 80V, a forward voltage of 1.3V, and a power dissipation of 240mW. It operates within a temperature range of -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between different voltage circuits
• Optical coupling via gallium arsenide LED and silicon phototransistor for electrical isolation
• Wide operating temperature range suitable for diverse environmental conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Signal transmission between different voltage circuits
• Switching power supplies
• Various controllers
• Household appliances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix codes against official Toshiba documentation to confirm pin configuration and packaging details. Ensure compliance with RoHS standards if required by the application. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Check for any specific handling requirements related to electrostatic discharge during assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and reliable signal transmission are required. Consider the 80V collector-emitter voltage rating for appropriate load switching. Evaluate the operating temperature range to ensure suitability for the intended environment. Compare current transfer ratio specifications if precise gain control is necessary for the circuit design.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the TLP781 series of transistor output optocouplers from Toshiba. The series is designed for general-purpose isolation applications. The specific model indicates a DIP4 package variant. It is part of Toshiba's broader portfolio of optoelectronic devices focused on safety and reliability in industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official Toshiba substitution guides for verified alternatives. Generic replacements may not match the specific isolation voltage or current transfer ratio requirements. Verify pin compatibility and package dimensions before substituting.