HMA124R1

Transistor, Photovoltaic Output Optoisolators Overview

The HMA124R1 is a single-channel transistor output optocoupler manufactured by onsemi. It features a gallium arsenide infrared emitting diode coupled to a silicon phototransistor in a compact 4-pin Mini-Flat surface-mount package with a 2.54 mm lead pitch. The device provides an isolation voltage of 3750Vrms and supports a maximum collector current of 80mA. Typical rise and fall times are 3µs each, with a forward voltage of up to 1.3V at a DC forward current of 50mA. The unit operates within a temperature range of -40°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Compact 4-pin Mini-Flat surface-mount package design
• High isolation voltage capability of 3750Vrms
• Integrated gallium arsenide infrared LED driver

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation
• Digital communication interface isolation
• Microcontroller input/output isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix R1 against official datasheets to confirm tape-and-reel packaging configuration. Ensure the component matches the 4-SMD gull-wing footprint dimensions. Confirm RoHS compliance status through manufacturer documentation prior to integration into production assemblies.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring high isolation voltage in a small form factor. The transistor output type suits digital switching tasks. Verify that the required current transfer ratio falls within the standard or selected groups defined in the official specification sheet for the specific batch.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMA124 series of optocouplers from onsemi. The series utilizes a mini-flat package to reduce board space while maintaining robust electrical isolation. It serves as a discrete solution for galvanic separation between low-voltage control circuits and higher-voltage load sides.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes such as the HMA124R2 variant if reel packaging differences exist. Verify functional equivalence with other 4-pin transistor output optocouplers offering similar isolation ratings and package dimensions.