PS2502-1-K-A

Overview

The PS2502-1-K-A is a single-channel optocoupler manufactured by CEL, featuring a Darlington transistor output. It provides electrical isolation with a maximum insulation voltage of 5000 V. The device supports a nominal current transfer ratio of 250% and handles a maximum forward current of 80 mA. It is housed in a DIP-4 package.

Feature Summary

• Contains a GaAs light emitting diode coupled with a Darlington transistor output for high gain
• Provides robust electrical isolation between input and output circuits
• Designed for through-hole mounting in standard DIP-4 packages

Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops
• Microcontroller interface circuits

Procurement Notes

Verify component authenticity as this specific suffix variant may be discontinued. Confirm availability of equivalent models such as the PS2502-1-A from Renesas if sourcing new inventory. Ensure handling procedures protect against static electricity and avoid storage in high humidity environments to maintain device integrity.

Selection Notes

Select this component when high current transfer gain is required for driving loads directly. The Darlington configuration offers superior sensitivity compared to standard transistor outputs. Verify that the 5000 V isolation rating meets system safety requirements and that the DIP-4 footprint aligns with existing PCB layouts.

Part Context

This part belongs to the PS2502 series of optically coupled isolators produced by California Eastern Laboratories. The series includes variants with different channel counts and output configurations. The PS2502-1-K-A specifically denotes a single-channel unit with a Darlington output structure optimized for digital switching applications.

Replacement Considerations

The PS2502-1-A is listed as an available substitute for the discontinued PS2502-1-K-A. Verify pin compatibility and electrical specifications before substitution.