PS2561-1-A

Overview

The PS2561-1-A is a single-channel transistor output optocoupler featuring an NPN silicon phototransistor and a GaAs infrared LED. It provides high isolation voltage of 5000Vrms with a collector-emitter voltage of 80V and maximum collector current of 50mA. The device operates within a temperature range of -55°C to 100°C, offering a typical rise time of 3µs and fall time of 5µs. Current transfer ratio ranges from 80% to 400% at 5mA forward current.

Feature Summary

• High isolation voltage capability for reliable signal transmission
• Wide operating temperature range suitable for industrial environments
• Fast switching speed with low propagation delay

Applications

• Industrial automation control systems
• Power supply feedback circuits
• Microcontroller input/output isolation

Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm package type and compliance status. Confirm end-of-life or not-for-new-design status prior to integration. Ensure component authenticity through authorized channels only.

Selection Notes

Select this component when high isolation voltage and moderate switching speed are required. Consider the DIP-4 package constraints for PCB layout. Evaluate thermal management requirements given the wide operating temperature range.

Part Context

Part of the NEPOC series designed for general-purpose isolation. Manufactured by Renesas Electronics Corporation using established semiconductor processes. Part number indicates standard DIP packaging variant.

Replacement Considerations

Check PS2561L-1-F3-A for surface mount equivalent. Verify pin compatibility before substitution.