HCPL2731S

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL2731S is a dual-channel optocoupler featuring an AlGaAs LED coupled to a high-gain split Darlington photodetector. It provides 5000 Vrms isolation voltage and operates within a temperature range of -40°C to 85°C. The device supports a maximum forward current of 20 mA per channel and delivers a collector current of 60 mA. With a typical rise time of 22 µs and fall time of 3 µs, it ensures reliable signal transmission across isolated circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture with independent input-output paths
• High gain split Darlington output structure for enhanced sensitivity
• Robust electrical isolation capability between channels

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'S' indicates surface mount packaging when sourcing. Confirm RoHS compliance status through official manufacturer declarations or datasheets prior to procurement. Ensure the component matches the required package type for your PCB layout constraints.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications needing dual-channel isolation with high current transfer ratios. Consider the split Darlington configuration for improved noise immunity compared to standard transistor outputs. Verify thermal management requirements given the operating temperature limits.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-2730/HCPL-2731 family of low input current high gain split Darlington optocouplers manufactured by onsemi. It shares architectural similarities with the 6N138/6N139 series but offers distinct packaging and performance characteristics tailored for specific isolation needs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Official documentation lists HCPL2731SM as a recommended substitute for the obsolete HCPL2731S. Verify pin compatibility and electrical specifications before implementation.