TLP781(D4GRT6-FD,F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781(D4GRT6-FD,F) is a transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with a silicon NPN phototransistor in a four-lead plastic DIP package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a collector-emitter breakdown voltage of 80V, a typical current transfer ratio of 100%, and fast switching times with rise and fall times of 2µs and 3µs respectively. It operates within a temperature range of -25°C to 85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability of 5000 Vrms ensures robust signal transmission between different voltage circuits.
• Integrates a GaAs IRED and silicon NPN phototransistor for efficient optical coupling.
• Features a standard four-lead plastic DIP package suitable for through-hole mounting.

Transistor, Photovoltaic Output Optoisolators Applications

• Office equipment
• Household appliances
• Solid state relays
• Switching power supplies

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix FD against official Toshiba documentation to confirm exact packaging and tape specifications. Ensure the component meets required isolation standards for the target application. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Check compliance certifications such as UL or VDE if required by the end product design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and reliable transistor output are required. Consider the 80V collector-emitter voltage rating for low-voltage switching applications. Evaluate the 100% minimum current transfer ratio for driving subsequent logic stages. Confirm that the DIP-4 package fits the PCB layout constraints compared to surface mount alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP781 series of transistor output optocouplers from Toshiba. The series is designed for general-purpose signal transmission and isolation. Variants within the series may differ in packaging, such as DIP or SMD formats, or in current transfer ratio ranks. The TLP781 family is widely used in industrial and consumer electronics for circuit isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs before considering alternative manufacturers. Check pinout and electrical characteristics of potential substitutes to ensure functional equivalence.