HCPL-4701-320E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4701-320E is a single-channel optocoupler from Broadcom's HCPL series, housed in an 8-pin DIP package. It features a DC input and a Darlington transistor output with a base terminal. Key electrical parameters include a maximum forward voltage of 1.5V, a maximum input current of 10mA, and an isolation voltage of 5000Vrms. The device operates within a temperature range of -40°C to +85°C. It exhibits a high current transfer ratio ranging from 700% to 8000%, supporting low power consumption applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High gain Darlington transistor output configuration
• Low power consumption design
• Single channel isolation architecture

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '320E' to confirm the tube packaging format and RoHS compliance status. Ensure the procurement order matches the exact part number to avoid confusion with similar variants like HCPL-4701-000E or HCPL-4731. Confirm lead times directly with authorized distributors as availability may vary by region.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current gain is required for driving loads directly without additional amplification stages. The 5000Vrms isolation rating makes it suitable for noisy industrial environments. Consider the 8-pin DIP form factor for through-hole mounting requirements on legacy or robust PCB designs.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the Broadcom HCPL family of optocouplers, designed for general-purpose isolation tasks. The HCPL-4701 variant specifically addresses applications needing high sensitivity and low input drive current. It serves as a bridge between low-power logic circuits and higher-power load drivers while maintaining electrical safety separation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives such as the HCPL-4731 for dual-channel needs or HCPL-2601 for faster switching speeds if data rate is critical. Verify that replacement parts maintain the same 5000Vrms isolation voltage and Darlington output characteristics.