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HMA2701BV 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 HMA2701BV is a single-channel transistor output optocoupler manufactured by onsemi. It integrates an infrared emitting diode and an NPN phototransistor in a compact SMD-4 package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and a forward current rating of 50 mA. The unit operates within a temperature range of -40°C to +100°C.
Verify component authenticity through authorized channels due to the device's obsolete status. Confirm that the received parts match the original specifications, as availability may be limited to surplus or secondary market sources. Ensure proper handling procedures are followed during storage and installation to maintain performance integrity.
Select this component for applications requiring high isolation voltage in a small footprint. Consider the NPN output configuration for compatibility with standard logic interfaces. Evaluate thermal management requirements given the operating temperature limits and power dissipation characteristics inherent to the SMD-4 package design.
This part belongs to the family of transistor output optocouplers designed for general-purpose isolation tasks. It shares functional similarities with other single-channel devices but is distinguished by its specific voltage ratings and package type. The product line focuses on providing reliable signal transfer across isolated boundaries in industrial and consumer electronics.
Publicly confirmed substitute part numbers are not available in the provided documentation. As the product is marked as obsolete, engineers should consult official manufacturer resources for qualified replacement options or equivalent alternatives that meet the required electrical and mechanical specifications.
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