PS2502-4

Overview

The PS2502-4 is a high isolation voltage Darlington transistor type multi photocoupler manufactured by Isocom Components. It features four independent channels within a single package, providing robust electrical isolation between input and output circuits. The device utilizes a Darlington output configuration to achieve high current transfer ratios suitable for driving loads directly. It is designed for applications requiring reliable signal transmission across isolated boundaries with high noise immunity.

Feature Summary

• Four-channel architecture for compact multi-circuit isolation
• Darlington output stage for high gain and load driving capability
• High isolation voltage rating for safety-critical applications

Applications

• Industrial control systems requiring multi-channel isolation
• Data communication interfaces with galvanic separation needs
• Power supply feedback loops in multi-output designs

Procurement Notes

Verify the manufacturer source carefully as this component has been produced by multiple vendors including NEC and California Eastern Labs. Ensure the specific datasheet matches the required pinout and electrical characteristics for your design. Confirm RoHS compliance status if environmental regulations apply to your project requirements.

Selection Notes

Select this component when four isolated channels are needed in a single footprint. The Darlington output provides higher current gain compared to standard transistor outputs. Consider the operating temperature range and isolation voltage requirements of your specific application to ensure compatibility with system safety standards.

Part Context

This part belongs to the PS2502 series of high-density mounting photodarlington optically coupled isolators. The series is known for its high isolation voltage capabilities and is widely used in industrial and commercial equipment. Isocom Components produces variants compatible with original NEC specifications.

Replacement Considerations

PS2502-4-A (Renesas/Isocom), PS2502-4-X1 (Renesas). Verify pin compatibility and electrical parameters before substitution.