HCPL-4731-320E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731-320E is a high-speed, dual-channel optocoupler manufactured by Broadcom Limited. It features two independent channels with Darlington transistor outputs housed in an 8-pin PDIP package. The device supports a data rate of 1 MBd and provides an isolation voltage of 5000 Vrms. Key electrical parameters include a forward current of 10 mA, an output current of 8 mA per channel, and a power dissipation of 600 mW. It operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration with Darlington transistor outputs for high gain
• High-speed operation supporting 1 MBd data rates
• Robust insulation capability rated at 5000 Vrms
• Low power consumption design suitable for energy-efficient systems

Transistor, Photovoltaic Output Optoisolators Applications

• Variable-speed drives
• Electric vehicle systems
• Induction cookers
• Solar power inverters

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm RoHS compliance status and specific packaging details prior to ordering. Ensure the procurement source provides valid traceability documentation. Check for any recent product change notices that may affect specifications or lead times. Validate that the received units match the exact part number suffix.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and fast switching are required in a dual-channel isolation scenario. The Darlington output structure offers superior current transfer compared to standard phototransistors. Consider the 8-pin DIP form factor for through-hole mounting requirements. Evaluate the 5000 Vrms isolation rating against system safety standards. Ensure the 1 MBd speed meets the signal transmission needs of the application.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL series of high-speed optocouplers from Broadcom. It serves as a dual-channel variant designed for applications requiring galvanic isolation between circuits. The series is known for combining high speed with low power consumption. It complements single-channel models by providing two isolated paths in a compact footprint.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives within the same family if supply is limited. Verify that substitute parts maintain the 5000 Vrms isolation rating and 1 MBd speed. Ensure the replacement also features Darlington outputs to preserve circuit gain characteristics.