HCPL-4731#020

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731#020 is a dual-channel high-speed optocoupler manufactured by Broadcom Limited. It features photodarlington outputs and operates within an isolation voltage of 5000 Vrms. The device supports a data rate of 100 kb/s with a typical current transfer ratio of 25000%. Key electrical parameters include a forward current of 10 mA, a maximum output current of 60 mA, and a power dissipation of 115 mW. It is housed in an 8-pin PDIP package and functions across a temperature range of -40°C to +85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for independent signal isolation
• High gain photodarlington output stage
• TTL compatible logic interface
• UL recognized safety certification

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces
• Data acquisition systems
• Isolated digital input circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors due to obsolete lifecycle status. Confirm RoHS compliance details as specified in the official datasheet. Ensure packaging matches the required tube quantity for assembly integration. Validate pinout compatibility with existing PCB footprints before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and low power consumption are critical requirements. The dual-channel design reduces board space compared to single units. Verify that the 100 kb/s data rate meets system timing constraints. Ensure the 5000 Vrms isolation rating satisfies circuit safety standards.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-4731 series of high-speed optocouplers. It represents a dual-channel variant within the 8-pin DIP family. The series is designed for applications requiring robust signal isolation with minimal power draw. It serves as a legacy solution for older industrial control architectures.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes from the same manufacturer family. Verify if newer generations offer improved CTR or speed specifications. Ensure replacement parts maintain the same isolation voltage and package dimensions.