PS2566L-2-A

Overview

The PS2566L-2-A is a two-channel optically coupled isolator from the NEPOC series, manufactured by CEL. It integrates GaAs light-emitting diodes with NPN silicon Darlington-connected phototransistors in an 8-SMD surface-mount package. Key electrical parameters include a minimum isolation voltage of 5000 Vrms, a typical current transfer ratio of 2000%, and a collector-emitter breakdown voltage of 40 V. The device supports a maximum forward current of 80 mA and operates within a temperature range of -55°C to +100°C.

Feature Summary

• Dual-channel AC input response capability for signal isolation
• High isolation voltage rating ensuring robust circuit protection
• Surface-mount Gull-wing lead configuration for automated assembly

Applications

• Industrial control system signal isolation
• Power supply feedback loop monitoring
• Microcontroller interface isolation

Procurement Notes

Verify that the specific suffix 'A' aligns with the required material composition and regulatory compliance status for your region. Confirm the package type matches the PCB footprint requirements. Ensure the component meets the necessary safety approvals for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when dual-channel isolation is required in a compact surface-mount form factor. The high current transfer ratio makes it suitable for driving loads directly without additional amplification stages. Consider the operating temperature range and isolation voltage requirements to ensure compatibility with the system's electrical specifications.

Part Context

This part belongs to the NEPOC series of high-isolation voltage photocouplers. It shares architectural similarities with the PS2566L-1 and PS2566L-4 variants, differing primarily in channel count. The series utilizes GaAs LEDs and silicon Darlington outputs to provide reliable optical isolation across various industrial and commercial applications.

Replacement Considerations

Direct substitutes include other dual-channel Darlington output optocouplers with comparable isolation ratings and pin configurations. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.