HCPL-2731

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-2731 is a dual-channel high-speed optocoupler featuring separated GaAsP LEDs coupled to integrated high-gain photo detectors. It offers a data rate of 100 kb/s and an isolation voltage of 3750 Vrms. The device utilizes a Photodarlington output type with a maximum collector current of 60 mA per channel. Key electrical parameters include a forward current of 20 mA, a forward voltage of 1.4 V typical, and a current transfer ratio up to 1800%. It operates within a temperature range of -40°C to +85°C and is housed in an 8-pin PDIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture with separated LED pairs for independent signal transmission
• High gain photodetector output structure enabling efficient signal coupling
• Robust electrical isolation capability between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces requiring galvanic isolation
• Data acquisition systems needing high-speed signal transmission
• Power supply control circuits with feedback isolation requirements

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code (e.g., #300) against official Broadcom documentation to confirm exact packaging and environmental compliance status. Ensure the selected variant matches the required output configuration and operating temperature range specified in the design constraints before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with moderate speed is required. Compare the 100 kb/s data rate against system timing requirements. Verify that the 60 mA output current capacity meets load demands. Confirm compatibility with the 8-pin DIP footprint during PCB layout planning.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL series of optocouplers manufactured by Broadcom Limited. It represents a split Darlington output configuration designed for applications demanding higher gain than standard transistor outputs. The series provides reliable isolation solutions for digital signal transmission across isolated boundaries.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The HCPL-4731 is documented as pin-compatible with the HCPL-2731. Verify functional equivalence regarding output type and speed specifications before substitution.