HCPL-4701#500

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4701#500 is a single-channel high-speed optocoupler from Broadcom Limited, featuring a photodarlington output. It operates at data rates up to 100 kb/s with a typical current transfer ratio of 3500%. The device supports an input forward current of 10 mA and delivers a maximum collector output current of 60 mA. It provides an isolation voltage of 3750 Vrms and functions within a temperature range of -40°C to +85°C. Packaged in an 8-pin surface-mount DIP (SOIC-8) format, it consumes low power with a dissipation rating of 115 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an AlGaAs LED with a high-gain photodarlington detector for superior signal transmission efficiency.
• Features independent pins for the photodiode and output stage to enable TTL-compatible logic levels and high-speed operation.
• Supports flexible circuit configurations by allowing VCC and VO terminals to be connected for traditional Darlington mode operation.

Transistor, Photovoltaic Output Optoisolators Applications

• Ground isolation for TTL, LSTTL, and CMOS logic families
• ISDN telephone interface circuits
• EIA RS-232C line receiver applications
• Battery-powered equipment requiring low input drive current

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official datasheets to confirm insulation voltage ratings and packaging types. Confirm RoHS compliance status and lead-free availability as specifications vary across production batches. Ensure the supplier provides valid UL, CSA, or IEC safety certification documentation corresponding to the ordered variant.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when designing systems requiring galvanic isolation between low-power digital logic and higher-current loads. The high current transfer ratio allows for direct interfacing with standard logic families without additional amplification stages. Consider the surface-mount package for space-constrained PCB layouts compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL series of high-speed optocouplers manufactured by Broadcom Limited. It serves as a modern replacement for legacy components like the 6N138 and 6N139, offering enhanced gain and lower power consumption while maintaining pin compatibility. The series is designed for robust performance in industrial and telecommunications environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers include HCPL-4701-020E and HCPL-4701-500E. Verify that alternative variants match the required isolation voltage and package style before integration.