TLP781F(D4-Y-LF7,F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781F(D4-Y-LF7,F is a single-channel transistor output optocoupler from Toshiba's TLP series. It integrates a Gallium Arsenide infrared emitting diode and an NPN silicon phototransistor in a DIP-4 package with a 10.16mm lead pitch. Key electrical parameters include a collector-emitter voltage of 80V, isolation voltage of 5kVrms, and current transfer ratio ranging from 50% to 600%. The device operates within a temperature range of -55°C to 110°C, featuring typical rise and fall times of 2μs and 3μs respectively.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between different voltage circuits
• Wide current transfer ratio range providing flexible gain options for various applications
• Extended operating temperature range suitable for demanding industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Office equipment control systems
• Household appliance interfaces
• Solid state relay drivers
• Switching power supply feedback loops
• Signal transmission between microcontrollers and high-voltage loads

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix codes against official Toshiba documentation to ensure correct package type and lead configuration. Confirm that the requested variant matches the required current transfer ratio rank and insulation voltage standards. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Ensure compliance with RoHS directives if applicable to your manufacturing process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and wide CTR range are required in a through-hole DIP package. Consider the 10.16mm pitch for PCB layout compatibility. Evaluate thermal management needs given the operating temperature limits. Compare performance metrics against alternative optocouplers if space or speed constraints exist. Verify input forward voltage requirements match the driving circuit capabilities.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to Toshiba's TLP781 family of transistor output optocouplers. The 'F' designation typically indicates a specific lead form or packaging variation compared to standard versions. The TLP series is known for reliability in industrial and consumer electronics. This specific model offers enhanced isolation characteristics suitable for safety-critical applications requiring galvanic separation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other Toshiba TLP781 variants with compatible pinouts and electrical specifications. Check equivalent parts from other manufacturers offering similar isolation voltages and CTR ranges. Ensure replacement components meet the same safety certifications and environmental standards.