HCPL-4731-300E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731-300E is a dual-channel high-speed optocoupler from the Broadcom HCPL series, housed in an 8-pin PDIP Gull Wing package. It features Photodarlington outputs with a data rate of 100 kb/s and an isolation voltage of 3750 Vrms. Key electrical parameters include a forward current of 10 mA, forward voltage of 1.2 V, reverse voltage of 2.5 V, output current of 60 mA, and a current transfer ratio of 25000%. The device operates within 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

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces
• Data acquisition systems
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '300E' to ensure compliance with RoHS directives and correct tube packaging quantities. Confirm that the 8-pin DIP gull wing footprint matches the target PCB layout. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or thermal management requirements before finalizing the bill of materials.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high current transfer ratio is required. The 100 kb/s speed suits moderate data rates, while the 3750 Vrms rating provides robust safety isolation. Ensure the input drive capability supports the 10 mA forward current requirement and that the system environment remains within the specified -40°C to +85°C operational temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL series of optocouplers, designed for general-purpose isolation applications. The HCPL-4731 specifically offers a dual-channel solution in a standard 8-pin DIP package, providing pin compatibility with other devices in the family for simplified board redesigns and legacy system upgrades.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the HCPL-4731 family, such as HCPL-4731-000E, ensuring identical electrical characteristics and package dimensions are maintained for seamless integration.