HMHA2801AR3V

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801AR3V is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and utilizes a 4-pin Mini-Flat surface-mount package. The device provides an isolation voltage of 3750 Vrms, with a maximum collector-emitter voltage of 80 V and a maximum collector current of 50 mA. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.3 V, and a collector-emitter saturation voltage of 300 mV. The current transfer ratio ranges from 80% to 600%, with typical rise and fall times of 3 µs. It operates within a temperature range of -55°C to +100°C and has a power dissipation rating of 210 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using optical transmission.
• Features a compact 4-pin Mini-Flat surface-mount package designed for space-constrained applications.
• Utilizes an NPN phototransistor output stage for reliable signal switching and logic interfacing.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Input/output interface isolation in consumer electronics devices
• Signal coupling in microcontroller-based peripheral circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'R3V' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the component status aligns with project timelines, as availability may vary. Ensure compliance with RoHS directives and check for any recent product change notices regarding material composition or manufacturing location updates before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a small form factor is required alongside standard transistor output characteristics. The 3750 Vrms isolation rating supports basic insulation requirements for low-voltage interfaces. Consider the 3 µs switching speed for moderate-frequency digital signals. Evaluate the 80% to 600% CTR range to ensure adequate drive capability for the intended load conditions without excessive input current.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMHA series of miniature optocouplers from onsemi. The series is characterized by its half-pitch Mini-Flat package, which offers a smaller footprint compared to traditional SOIC packages while maintaining similar electrical performance metrics. This family targets applications where board space is limited but reliable galvanic isolation is necessary for safety or noise immunity.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HMHA2801A is listed as a parameter-equal alternative. Verify package compatibility and suffix definitions when substituting, as packaging formats may differ between reel and tube configurations.