HCPL-4731-000E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731-000E is a dual-channel high-speed optocoupler featuring photodarlington outputs in an 8-pin DIP package. It provides 3750 Vrms isolation voltage and supports data rates up to 100 kb/s. The device operates with a forward current of 10 mA and delivers a maximum collector current of 60 mA. Key electrical parameters include a typical turn-on time of 3 µs and turn-off time of 34 µs. It functions within a temperature range of -40°C to +85°C, ensuring reliable signal transmission across isolated circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• High gain photodarlington output stage
• Robust 3750 Vrms insulation barrier
• Pin-compatible with standard 8-pin DIP footprints

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in measurement equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., 000E vs 300E) against your bill of materials, as packaging and temperature ratings may vary. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation before finalizing orders. Ensure the procurement channel is authorized to guarantee component authenticity and traceability.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high current transfer ratio is required. The photodarlington output suits applications needing higher drive capability compared to transistor outputs. Verify that the 100 kb/s data rate meets system timing requirements. Consider the 8-pin DIP package constraints for PCB layout and thermal management during design integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL series of optocouplers, designed for general-purpose isolation tasks. The series offers various configurations including single and dual channels with different output types. The HCPL-4731 specifically targets applications requiring moderate speed and high gain in a compact through-hole package.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check pin compatibility with existing designs if substituting. Verify equivalent isolation voltage and current transfer ratio specifications. Ensure the replacement part supports the same operating temperature range and package type to maintain mechanical fit.