HMHA2801B

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801B is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output coupled with an infrared LED. The device provides a high isolation voltage of 3750Vrms and operates within a temperature range of -55°C to 100°C. Key electrical parameters include a maximum collector-emitter voltage of 80V, a peak forward current of 50mA, and a typical rise/fall time of 3µs. The current transfer ratio ranges from 80% to 600% at a forward current of 5mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between isolated circuits
• Compact 4-pin Mini-Flat surface mount package design
• Fast switching performance with typical 3µs rise and fall times
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Communication equipment signal isolation
• Consumer appliance interface circuits
• General purpose digital signal isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation when ordering, as variations such as HMHA2801BR2V may indicate different packaging or status. Confirm RoHS compliance and material declarations through official onsemi documentation prior to integration. Ensure the selected variant matches the required lead time and availability constraints for production schedules.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring compact footprint and reliable galvanic isolation. Consider the 80V collector-emitter voltage rating and 50mA output current capability against load requirements. Evaluate the 3750Vrms isolation strength against system safety standards. Verify compatibility with the 4-Mini-Flat package dimensions during PCB layout.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMHA28 series of transistor output optocouplers. It utilizes an砷化镓 (GaAs) infrared LED and an NPN silicon phototransistor. The device is designed for general-purpose isolation in space-constrained applications. It shares functional similarities with other mini-flat optocouplers but offers specific electrical characteristics defined by the manufacturer.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires verification of pinout, isolation voltage, and CTR specifications against equivalent components.