PS2705A-1-L-A

Overview

The PS2705A-1-L-A is a single-channel optoisolator featuring an AC input LED and a transistor output. It operates within a temperature range of -55°C to 100°C and utilizes a lead-free, RoHS-compliant 4-SOP surface-mount package with tin-bismuth terminal coatings. The device provides a maximum insulation voltage of 3750 Vrms and supports a collector-emitter breakdown voltage of at least 70 V. Key electrical specifications include a maximum collector dark current of 100 nA, a rated current transfer ratio of 50%, and a maximum input control current of 30 mA.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using an AC-input LED configuration.
• Features a compact surface-mount SOP-4 package designed for automated assembly processes.
• Complies with international environmental standards including EU and China RoHS directives.

Applications

• AC-DC and DC-DC converter control circuits
• Power supply management systems
• Industrial equipment requiring signal isolation

Procurement Notes

Verify the specific suffix L-A against official CEL documentation to confirm pinout compatibility and packaging variations. Ensure that procurement sources provide valid traceability certificates confirming RoHS compliance and lead-free status as specified in the component datasheet.

Selection Notes

Select this component when AC-driven input signals require isolation from low-voltage transistor outputs. Consider the 3750 Vrms insulation rating and operating temperature range to ensure suitability for the intended thermal and electrical environment.

Part Context

This part belongs to the PS2705 series of optoisolators manufactured by CEL. The series is characterized by its ability to interface AC inputs directly with transistor outputs, offering a compact solution for isolation applications where space constraints and high voltage tolerance are critical design factors.

Replacement Considerations

Consult official substitution guides for equivalent parts with matching insulation ratings and package dimensions. Verify functional compatibility before replacing the original component in existing designs.

FAQ

What type of input signal does the PS2705A-1-L-A support?

The device supports AC input signals via its integrated light-emitting diode.

Is the PS2705A-1-L-A available in a through-hole package?

No, the PS2705A-1-L-A is specifically packaged in a 4-SMD (SOP-4) surface-mount format.