HCPL-4701-520E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4701-520E is a high-speed, single-channel optocoupler featuring a Darlington phototransistor output. It provides an isolation voltage of 5000 Vrms and supports data rates up to 100 kbps. The device operates with a maximum forward current of 10 mA and delivers a collector current of 60 mA. It exhibits a typical current transfer ratio of 3500% at 10 mA input. Operating temperatures range from -40°C to +85°C. The component is housed in an 8-pin DIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-gain Darlington output configuration for enhanced signal transmission
• High-speed operation capability supporting 100 kbps data rates
• Robust electrical isolation rated at 5000 Vrms
• Low power consumption design suitable for sensitive circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Consumer electronics isolation interfaces
• Microprocessor system coupling
• Signal transmission in noisy environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '520E' to confirm tape and reel packaging versus tube variants. Confirm RoHS compliance status through official documentation. Ensure the 5000 Vrms isolation rating matches application safety requirements. Check for end-of-life status as some distributors list this variant as obsolete. Validate pinout compatibility with existing PCB footprints.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and speed are required simultaneously. The Darlington output offers higher current drive than standard phototransistors. Consider the 5000 Vrms isolation for stringent safety standards. Evaluate the 100 kbps limit against system timing needs. Compare power dissipation characteristics with alternative logic gate outputs if digital interfacing is critical.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL series of optocouplers. The series includes single and dual-channel devices designed for low power and high gain applications. The HCPL-4701 specifically utilizes a Darlington pair for superior current transfer ratios compared to basic transistor outputs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• HCPL-4701-000E (Tube version)
• HCPL-2601-520E (Higher speed, different CTR)

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum data rate supported by this optocoupler?

The HCPL-4701-520E supports a maximum data rate of 100 kbps.

Does this device include a base terminal on the output transistor?

Yes, it features a Darlington output with a base terminal for external biasing or sensitivity adjustment.