PS2561L-1-V-L-A

Overview

The PS2561L-1-V-L-A is a single-channel transistor output optocoupler manufactured by CEL. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor within a surface-mount DIP-4 gull-wing package. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a minimum current transfer ratio of 200% at 5 mA forward current. The device provides 5000 Vrms isolation voltage and operates within a temperature range of -55°C to +100°C.

Feature Summary

• High isolation voltage capability for safe signal transmission between isolated circuits
• Surface-mount gull-wing lead configuration for automated PCB assembly
• Single-channel design with NPN phototransistor output

Applications

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

Procurement Notes

Verify the specific suffix 'V-L-A' against official manufacturer documentation to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status and lead-free certification requirements for your target market regulations before finalizing procurement decisions.

Selection Notes

Select this component when a surface-mount solution is required for high-isolation applications. Ensure the 50 mA collector current rating meets load requirements. Verify that the 3 µs rise time and 5 µs fall time are sufficient for the intended signal frequency.

Part Context

This part belongs to the PS2561 series of high-isolation voltage optocouplers. The series typically includes through-hole (PS2561) and surface-mount (PS2561L) variants. The L-series specifically denotes the gull-wing lead bending type designed for surface mount technology applications.

Replacement Considerations

Cross-reference with PS2561L-1-E3 or PS2561AL2-1-E3 for equivalent functionality from NEC/Renesas. Verify pinout alignment and package tolerance differences before substituting.