HMA2701AR3

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701AR3 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates within a surface-mount SMD-4 package. The device provides an insulation voltage of 3750 Vrms, ensuring robust signal isolation. 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 forward current is rated at 50 mA with a forward voltage of 1.4 V. The component supports a wide operating temperature range from -40°C to +100°C and offers a typical current transfer ratio of 300%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using infrared LED technology.
• Features a compact four-pin surface-mount design suitable for automated assembly processes.
• Delivers reliable signal transmission through an NPN phototransistor output stage.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Microcontroller interface circuits requiring galvanic separation
• Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'R3' to confirm reel packaging configuration, as this affects handling procedures. Confirm end-of-life status with the manufacturer, as availability may be restricted or limited. Ensure compatibility with existing PCB footprints before procurement, as lead times and stock levels are subject to change based on production schedules.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a low-profile surface-mount solution is required for basic signal isolation. Consider the 40 V collector-emitter voltage limit for low-voltage logic interfacing. Evaluate the 3750 Vrms insulation rating against system safety requirements. Compare performance metrics with alternative models if higher current transfer ratios or different package types are necessary for the specific application constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMA series of optocouplers from onsemi, designed for general-purpose isolation applications. The series utilizes standard phototransistor output technology to provide cost-effective signal coupling. The HMA2701AR3 specifically targets applications requiring small form factors and reliable DC signal transmission across isolated boundaries in consumer and industrial electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical specifications carefully when considering generic equivalents from other manufacturers.