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HMA124R3 is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is OPTOISO 3.75KV 1CH TRANS 4-SMD. Review the specifications below when checking this part for your BOM.
The HMA124R3 is a single-channel photovoltaic output optoisolator manufactured by onsemi. It features a 3750Vrms isolation voltage rating and utilizes a 4-SMD surface-mount package. The device provides an input-to-output current transfer ratio of at least 100% when driven with a forward current of 1mA. This component is designed for applications requiring reliable electrical isolation between circuits.
Verify the specific datasheet revision and official documentation from onsemi before integration. Confirm that the 4-SMD package dimensions and pinout match the target PCB layout requirements. Ensure compliance with relevant safety standards for the intended isolation voltage application.
Select this component when a single channel of high-isolation voltage is required in a small footprint. Consider the photovoltaic output characteristics and current transfer ratio specifications against system load requirements. Evaluate thermal management needs based on the surface-mount package type.
This part belongs to the optoisolator category within onsemi's discrete semiconductor portfolio. It serves as a critical interface component for isolating low-voltage control signals from high-voltage power stages, ensuring system safety and signal integrity in various electronic assemblies.
Consult official onsemi documentation for verified substitute part numbers. Cross-reference pinouts and isolation ratings carefully when considering alternatives.
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