HMAA2705R1

Transistor, Photovoltaic Output Optoisolators Overview

The HMAA2705R1 is a single-channel transistor output optocoupler manufactured by onsemi. It integrates an aluminum gallium arsenide (AlGaAs) infrared LED with an NPN phototransistor in a compact SMD-4 package. The device supports both AC and DC input signals, providing 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 of 50 mA. The current transfer ratio ranges from 50% to 300%, with a typical forward voltage of 1.3 V. It operates within a temperature range of -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates AlGaAs infrared LED with NPN phototransistor for high-speed signal transmission
• Supports AC and DC input configurations for versatile circuit interfacing
• Provides robust electrical isolation between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Digital logic signal transmission and level shifting
• Power supply control and switching circuits
• Electrical isolation between system components
• Impedance transformation in electronic interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific packaging details such as reel or cut tape quantities before ordering. Check for end-of-life status or obsolescence notices, as availability may be limited. Ensure the selected variant matches the required input type and package specifications for your design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when AC or DC input compatibility is required alongside standard NPN phototransistor output characteristics. Consider the 3750 Vrms isolation rating for safety-critical applications. Evaluate the 80 mA collector current limit against load requirements. Compare performance metrics with alternative models in the FODM series if pinout or specific timing parameters differ significantly.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the FODM121/124/2701/2705 family of transistor output optocouplers. These devices utilize proprietary工艺技术 to combine GaAs infrared emitters with phototransistors in miniature packages. The family is designed for general-purpose isolation tasks where compact size and reliable signal transfer are prioritized over high-speed digital switching capabilities found in other series.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: FODM2705R1, HMAA2705R2.