TLP781F(D4NKODGB7F

Transistor, Photovoltaic Output Optoisolators Overview

The TLP781F(D4NKODGB7F is a transistor output optoisolator from Toshiba Semiconductor and Storage. It features a single channel with 5000Vrms isolation voltage. The device operates within a temperature range of -55°C to 110°C. Key electrical parameters include a collector-emitter voltage of 80V minimum and a collector-emitter saturation voltage of 400mV. The current transfer ratio (CTR) ranges from 50% to 600%, with the GB rank specifying a minimum CTR of 100% at 5mA input current.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation between input and output circuits
• Utilizes a transistor output configuration for digital signal transmission
• Designed for through-hole mounting in standard packages

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Microprocessor system interface circuits
• Solid-state relay driver applications

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (D4NKODGB7F) against official Toshiba documentation to confirm exact binning, tape-and-reel specifications, and moisture sensitivity level. Ensure the procurement source provides valid traceability for the GB rank designation. Confirm that the component meets RoHS compliance requirements if applicable to your manufacturing process. Cross-reference the part number with the manufacturer's latest datasheet to avoid discrepancies in packaging or electrical ranking.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a robust transistor output isolator is required for low-speed digital switching. The 5kVrms isolation rating suits applications demanding significant noise immunity. Consider the CTR variation (50-600%) when designing biasing networks to ensure reliable switching across all units. The wide operating temperature range supports deployment in harsh industrial environments. Verify that the 80V collector-emitter voltage meets the load requirements of the target circuit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP781 series of transistor output optocouplers manufactured by Toshiba Semiconductor and Storage. The series is characterized by its compact 4-DIP package and high isolation voltage capabilities. It serves as a standard solution for galvanic isolation in consumer and industrial electronics. The manufacturer has rebranded as Kioxia, though the semiconductor division retains distinct product lines.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Consult Toshiba's official replacement guide or equivalent isolation specifications from other manufacturers such as Broadcom or Vishay for compatible alternatives.