HMA2701AR4

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701AR4 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates within a temperature range of -40°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and a forward current of 50 mA. The device provides an isolation voltage of 3750 Vrms and has a typical current transfer ratio of 300%. Power dissipation is rated at 150 mW, with a maximum collector-emitter saturation voltage of 300 mV.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes an NPN phototransistor for signal transmission
• Designed for surface-mount installation in compact applications

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation
• Industrial control systems
• Consumer electronics interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix AR4 against official datasheets to confirm package type and tape/reel specifications. Confirm end-of-life status or obsolescence notices from onsemi prior to procurement. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Check for RoHS compliance documentation if required by regional regulations. Validate supplier authenticity through authorized distribution channels.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with moderate speed and high isolation voltage is required. Compare the 40 V collector-emitter voltage rating against system requirements. Evaluate the 300% current transfer ratio for logic level compatibility. Consider the SMD-4 package dimensions for board space constraints. Verify thermal management needs based on the 150 mW power dissipation limit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the broader category of transistor output optocouplers from onsemi. Similar devices in the lineup may offer different pin counts, higher voltage ratings, or alternative output types such as Darlington pairs. The HMA2701AR4 specifically targets cost-sensitive applications requiring reliable galvanic isolation without complex digital interfaces.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult onsemi technical support or authorized distributors for verified cross-reference information.