TLP781(D4BLL-TP6,F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781(D4BLL-TP6,F is a transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with an NPN phototransistor in a four-lead plastic DIP package. The device features a collector-emitter voltage of 80V minimum and offers high isolation voltage of 5000 Vrms. The current transfer ratio ranges from 50% to 600%, with the BLL rank specifying a minimum of 100%. It is designed for signal transmission between circuits with different voltage levels.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability of 5000 Vrms for safe circuit separation
• Wide current transfer ratio range supporting various switching speeds
• Integrated GaAs IRED and NPN phototransistor for efficient optical coupling

Transistor, Photovoltaic Output Optoisolators Applications

• Office equipment control systems
• Household appliance interfaces
• Solid state relay drivers
• Switching power supply feedback loops
• Signal transmission between microprocessors and power stages

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (D4BLL-TP6,F) against official Toshiba documentation to confirm packaging type and binning specifications. Ensure the procurement channel provides valid manufacturer traceability. Cross-reference the part number with the latest datasheet revisions to confirm compliance with RoHS standards and pinout configurations before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and reliable transistor output are required for digital signal isolation. Consider the current transfer ratio requirements for the specific application load. Evaluate the package dimensions and lead configuration for PCB layout compatibility. Ensure the operating temperature range meets the environmental conditions of the target system design.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the TLP781 series of photocouplers, which utilize a silicon photo-transistor optically coupled to a gallium arsenide infrared emitting diode. The series is characterized by high isolation voltage and compact packaging. The TLP781 family is widely used in industrial and consumer electronics for galvanic isolation between low-voltage control circuits and higher-voltage power stages.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers include TLP781(GB,F) and TLP781(F). Verify pin compatibility and electrical parameters such as CTR and isolation voltage before substitution.