HCPL-2731-520E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-2731-520E is a dual-channel high-speed optocoupler manufactured by Broadcom Limited. It features GaAsP light-emitting diodes optically coupled to integrated photodarlington detectors, providing galvanic isolation with an insulation voltage of 3750 Vrms or 5000 Vrms depending on the specific datasheet version cited. The device operates in a PDIP-8 gull-wing package with two channels. Key electrical parameters include a data rate of 100 kb/s, a forward current (If) maximum of 12 mA to 20 mA, and a typical forward voltage (Vf) of 1.4 V to 1.5 V. The output stage delivers a collector-emitter saturation voltage (Vce sat) of up to 100 mV and supports an output current of 60 mA per channel. Power dissipation is rated at 135 mW, with a reverse voltage rating of 5 V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration with separated GaAsP LEDs coupled to high-gain photodarlington detectors for enhanced signal integrity.
• Provides robust galvanic isolation between input and output circuits to protect sensitive components from voltage spikes.
• Integrated high gain photo detectors ensure reliable logic-level output switching with low saturation voltage.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces requiring noise immunity
• Microprocessor system isolation for data transmission
• Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code against the manufacturer's latest documentation to confirm exact electrical tolerances and insulation ratings. Ensure the ordering part number matches the required package style and lead-free status. Cross-reference the datasheet revision date to validate parameter consistency before integration into design specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact 8-pin footprint. Consider the 100 kb/s data rate limit for application speed requirements. Evaluate the photodarlington output characteristics against load requirements to ensure adequate drive capability without exceeding the 60 mA output current limit.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-273x series of high-speed optocouplers designed for digital isolation applications. The series utilizes advanced semiconductor processes to achieve high current transfer ratios and fast switching speeds while maintaining small physical dimensions suitable for surface mount and through-hole PCB layouts.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-273L-500E