PS2501-1-D-A

Overview

The PS2501-1-D-A is a single-channel transistor output optoisolator manufactured by CEL. It features a 4-pin DIP package with a 7.62mm pitch. Key electrical parameters include a 5000Vrms isolation voltage, 80V maximum collector-emitter voltage, and 50mA output current. The device operates within a temperature range of -55°C to +100°C.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using an LED and NPN phototransistor structure.
• Offers wide current transfer ratio for reliable signal transmission across isolated boundaries.
• Designed for through-hole mounting in standard 4-pin dual in-line packages.

Applications

• Programmable logic controller (PLC) I/O modules
• Factory automation control systems
• Power supply feedback loops

Procurement Notes

Verify component authenticity due to discontinued status. Confirm datasheet revisions match design requirements. Check for RoHS compliance documentation. Validate pinout compatibility with existing PCB footprints. Ensure storage conditions prevent moisture damage prior to assembly.

Selection Notes

Select this component for applications requiring robust galvanic isolation in industrial environments. Consider the 5000Vrms rating for safety-critical interfaces. Evaluate thermal performance within the specified operating range. Verify that the single-channel configuration meets system channel density needs.

Part Context

This part belongs to the PS2501 series of NEC/CEL optocouplers. The series is known for high isolation voltage and reliability in industrial applications. Variants differ primarily in packaging suffixes and specific certification markings while maintaining core electrical characteristics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer catalogs for direct replacements or functional equivalents with matching isolation and package specifications.