PS2805-4

Overview

The PS2805-4 is a four-channel transistor output optocoupler manufactured by CEL. It integrates an aluminum gallium arsenide infrared emitting diode and NPN silicon phototransistors within a plastic SSOP package. The device provides high isolation voltage of 2500 Vrms and supports AC input response. Key electrical parameters include a maximum collector-emitter voltage of 80 V, forward current of 30 mA, and power dissipation of 80 mW. Operating temperature range spans from -55°C to +100°C.

Feature Summary

• Four-channel configuration for dense circuit integration
• High isolation voltage capability
• AC input response functionality
• SSOP package with light shielding

Applications

• Programmable logic controllers
• Office automation equipment
• Measurement instruments
• Mixed integrated circuits

Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability variations. Confirm specific suffix designations match required packaging or certification standards. Check manufacturer lifecycle status as some variants may be marked not recommended for new designs. Ensure compliance with relevant safety certifications such as UL or VDE if applicable to the specific sub-part number variant.

Selection Notes

Select this component for applications requiring multi-channel galvanic isolation in compact form factors. The AC input response feature allows direct coupling to AC signals without additional rectification stages. Consider the 80 V collector-emitter voltage rating when designing switching circuits. Verify thermal management requirements against the specified power dissipation limits under maximum operating conditions.

Part Context

This part belongs to the PS2805 series of high-isolation optocouplers designed for industrial and commercial applications. The series offers various channel counts and package options to suit different density requirements. CEL manufactures these devices using standard semiconductor processes to ensure reliability and consistent performance across production batches.

Replacement Considerations

PS2805C-4-F3-A is a confirmed substitute part number offering similar specifications and pinout compatibility.