PS2505-1-A

Overview

The PS2505-1-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output and supports AC input response for high-isolation applications. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and an isolation voltage of 5000 Vrms. The device operates within a temperature range of -55°C to +100°C with a power dissipation of 120 mW.

Feature Summary

• Supports AC input response for versatile signal coupling
• Provides high isolation voltage for safety-critical circuits
• Features NPN phototransistor output configuration

Applications

• AC input sensing in industrial control systems
• Signal isolation in microprocessor interfaces
• Power supply feedback loops

Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm the specific suffix matches the required package and compliance standards. Check current lifecycle status as availability may be limited due to discontinuation notices. Ensure storage conditions adhere to specified humidity and temperature limits to maintain performance integrity.

Selection Notes

Select this component when AC input detection is required alongside galvanic isolation. Compare CTR specifications against load requirements to ensure sufficient drive capability. Verify that the 80 V collector-emitter voltage rating exceeds the peak voltage of the isolated circuit. Consider thermal management for the 120 mW power dissipation limit in enclosed environments.

Part Context

This part belongs to the NEPOC series of transistor output optocouplers from CEL. It shares architectural similarities with other PS2505 variants but is distinguished by its single-channel configuration and specific AC input capabilities. The series is designed for general-purpose isolation where high reliability and compact packaging are prioritized.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer cross-reference guides for equivalent components with matching isolation ratings and pin configurations.