HMA124V

Transistor, Photovoltaic Output Optoisolators Overview

The HMA124V is a single-channel transistor-output optoisolator manufactured by onsemi. It features a gallium arsenide infrared LED coupled to an NPN phototransistor, providing electrical isolation with a rated voltage of 3750 Vrms. The device is housed in a compact 4-SMD surface-mount package designed for space-constrained applications. It supports a collector-emitter voltage of 80 V and offers high current transfer ratio performance suitable for digital signal transmission across isolated barriers.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides robust electrical isolation between input and output circuits using infrared LED and phototransistor technology
• Designed for efficient digital signal transmission with high current transfer characteristics
• Utilizes a compact surface-mount package to facilitate automated assembly and reduced board footprint

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Communication equipment signal interface circuits
• Power supply feedback loops for safety isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix variant against official datasheets to ensure compatibility with required isolation ratings and packaging configurations. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output is required for moderate-speed digital isolation. Evaluate the 3750 Vrms isolation rating against system safety standards and ensure the 80 V collector-emitter voltage meets load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to onsemi's portfolio of general-purpose optoisolators. It serves as a standard solution for basic isolation needs in consumer and industrial electronics where cost-effective, reliable signal transfer across potential differences is necessary.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the same family or comparable devices from other manufacturers offering identical 4-SMD transistor output configurations and similar isolation voltages.