PS2501-4

Overview

The CEL PS2501-4 is a high isolation voltage single transistor type multi photocoupler. It comprises an aluminum gallium arsenide light emitting diode optically coupled to an NPN silicon phototransistor. The device provides electrical isolation between input and output circuits. It operates within a specified temperature range and supports standard surface mount packaging configurations for integration into electronic systems requiring signal transmission across isolated domains.

Feature Summary

• High isolation voltage capability for safe circuit separation
• Optical coupling using GaAs LED and NPN phototransistor
• Single channel configuration for dedicated signal paths

Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal transmission in noisy environments

Procurement Notes

Verify the manufacturer designation on the component marking, as the model number appears associated with multiple vendors including NEC and CEL. Confirm the specific datasheet revision and package variant matches your design requirements. Ensure the sourcing channel provides documentation consistent with the intended application safety standards.

Selection Notes

Select this component when high isolation voltage is required for single-channel signal transfer. Consider the current transfer ratio and operating temperature range relative to the target environment. Verify compatibility with the driving circuitry and load requirements before finalizing the design choice.

Part Context

This component belongs to the PS2501 series of optocouplers. The series includes variants such as PS2501-1 and PS2501L-1. These devices are designed for applications needing reliable electrical isolation. The specific -4 suffix typically denotes the package style or pin configuration within the product family.

Replacement Considerations

Compatible substitutes include PS2501-1 and PS2501L-1 from the same series. Verify pinout compatibility and electrical specifications before substitution. Other manufacturers may offer equivalent parts with similar isolation ratings.