HCPL-4731-500E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731-500E is a high-speed, dual-channel optocoupler manufactured by Broadcom Limited. It features photodarlington outputs and operates within an 8-pin PDIP Gull Wing package. Key electrical parameters include a data rate of 100 kb/s, an isolation voltage of 3750 Vrms, and a current transfer ratio of 25000%. The device supports a forward current of 10 mA with a typical forward voltage of 1.2 V, while delivering an output current of up to 60 mA. Power dissipation is rated at 115 mW, and it functions reliably across a temperature range of -40°C to +85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• High gain photodarlington output stage
• Low power consumption design
• Fast turn-on time for efficient switching

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in communication interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '500E' to ensure correct packaging and RoHS compliance status. Confirm that the 8-pin DIP gull wing package matches your PCB footprint requirements. Check datasheet revisions for any updates regarding thermal characteristics or insulation ratings before finalizing procurement specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high current transfer ratio is required. Ensure the 100 kb/s data rate meets system timing constraints. Verify that the 60 mA output current capability is sufficient for the load. Consider the 3750 Vrms isolation rating for safety compliance in high-voltage environments.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4701/4731 series of low-power, high-gain optocouplers. It serves as the dual-channel variant within the 8-pin DIP family, offering pin compatibility with single-channel counterparts like the HCPL-4701. The series is designed for applications requiring reliable galvanic isolation with minimal power draw.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives such as the HCPL-4701 if only one channel is needed. Verify equivalent performance from other manufacturers offering similar photodarlington outputs with comparable isolation voltages and current transfer ratios.