PS2561-1-V

Overview

The PS2561-1-V is a single-channel transistor output optocoupler featuring a GaAs infrared LED and an NPN silicon phototransistor. It provides high isolation voltage of 5000 Vrms and a collector-emitter breakdown voltage of 80 V. The device offers a typical current transfer ratio of 130% with a maximum forward current of 80 mA. Operating temperatures range from -55 °C to 100 °C, with a maximum dark current of 100 nA.

Feature Summary

• High isolation voltage capability for safe circuit separation
• Fast switching speed suitable for digital signal transmission
• Compact plastic DIP package design for standard mounting

Applications

• Industrial control systems requiring electrical isolation
• Power supply feedback circuits
• Signal interface between microprocessors and high-voltage loads

Procurement Notes

Verify the specific suffix 'V' against manufacturer documentation to confirm lead configuration and compliance status. Ensure the selected variant matches the required insulation voltage and current transfer ratio specifications for the target application environment.

Selection Notes

Select this component when high isolation voltage and moderate current transfer are required. Compare the 80 V collector-emitter breakdown voltage against load requirements. Verify that the operating temperature range meets environmental constraints.

Part Context

This part belongs to the NEPOC series of high isolation voltage single transistor type photocouplers. It shares architectural similarities with other variants in the family but differs in packaging and specific electrical parameters such as current transfer ratio and maximum forward current ratings.

Replacement Considerations

Cross-reference with PS2561-1-A-W or PS2561L-1-Y-V-F3-A for equivalent functionality. Confirm pinout compatibility and verify that replacement parts meet the same 5000 Vrms isolation and 80 V breakdown voltage standards.