HMHA2801AR4V

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801AR4V is a single-channel transistor-output optocoupler manufactured by onsemi. It features an NPN phototransistor output with a maximum collector-emitter voltage of 80 V and a collector current of 50 mA. The device provides high isolation capability with an insulation voltage of 3750 Vrms. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.3 V, and a power dissipation of 210 mW. The current transfer ratio ranges from 80% to 160%. Switching characteristics are defined by typical rise and fall times of 3 µs each. The component operates within a temperature range of -55°C to +100°C and is supplied in a tape and reel packaging format.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage rating of 3750 Vrms for reliable signal transmission across isolated circuits
• Fast switching performance with typical rise and fall times of 3 microseconds
• Wide operating temperature range supporting extreme environmental conditions
• Compact surface-mount Mini-Flat package design for space-constrained applications

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Interface circuits between microprocessors and peripheral devices
• Power supply feedback loops requiring galvanic isolation
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'R4V' corresponds to the tape and reel packaging configuration rather than tube packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected distributor provides traceable origin data consistent with onsemi authorized channels to maintain component authenticity and quality standards throughout the supply chain.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust voltage withstand capabilities. The 80 V collector-emitter voltage rating supports direct interfacing with various logic levels without additional clamping. Consider the 3 µs switching speed suitable for moderate frequency applications. Evaluate thermal management requirements based on the 210 mW power dissipation limit and ensure adequate airflow or PCB copper area for heat spreading during continuous operation.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMHA series of mini-flat optocouplers designed for compact electronic designs. The HMHA2801A variant represents the standard tube-packaged version, while the R4V suffix indicates the reel-packaged configuration. Both variants share identical electrical specifications and pinout configurations, differing primarily in shipping and handling formats. The series emphasizes small footprint solutions for modern surface-mount assembly processes.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HMHA2801A serves as a functional equivalent with identical electrical characteristics but utilizes tube packaging instead of tape and reel. Verify pin compatibility and mechanical dimensions before substitution to ensure proper board layout alignment.