HMA2701B

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701B is a single-channel transistor output optocoupler manufactured by onsemi. It integrates an infrared LED and an NPN phototransistor in a compact SMD-4 package to provide electrical isolation between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and a power dissipation rating of 150 mW. The device offers an insulation voltage of 3750 Vrms and operates within a temperature range of -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using optical transmission.
• Integrates an infrared emitting diode with an NPN phototransistor for signal coupling.
• Designed for digital logic transmission and impedance transformation applications.

Transistor, Photovoltaic Output Optoisolators Applications

• Digital logic signal transmission and level shifting
• Power supply control and switching circuits
• Electrical isolation between distinct circuit systems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., R1, R2V) as the base part number HMA2701B may refer to multiple variants with different packaging or specifications. Confirm availability status, as some listings indicate obsolete or limited stock conditions. Ensure the selected variant matches the required lead frame material and reel quantity for production integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required in a small surface-mount footprint. Consider the 80 mA collector current limit and 40 V breakdown voltage for load compatibility. Verify thermal management requirements against the 150 mW power dissipation rating at operating temperatures up to 100°C.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the family of transistor output optocouplers from onsemi. It shares functional similarities with other single-channel isolators but is distinguished by its specific voltage ratings and SMD-4 package configuration. It serves as a standard solution for basic galvanic isolation needs in industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Variants such as HMA2701BR1 or FODM2701AR2V share similar electrical characteristics but require verification of pinout and package compatibility before substitution.