HMHA2801AR1

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801AR1 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 electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum forward current of 50 mA, and a typical forward voltage of 1.3 V. The current transfer ratio ranges from 80% to 160%, with rise and fall times typically at 3 µs. It operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Features a compact surface-mount Mini-Flat package for space-constrained designs
• Utilizes an NPN phototransistor output for digital signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Isolation interfaces for microcontroller-based communication protocols
• Power supply feedback loop isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'R1' against official manufacturer documentation to confirm tape-and-reel packaging specifications. Ensure that the selected variant matches the required current transfer ratio binning and insulation voltage ratings for the target application safety standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a small footprint and moderate speed are required for DC signal isolation. Compare the 80V collector-emitter voltage limit against circuit requirements. Consider the 3µs switching speed for timing-sensitive applications and verify compatibility with available surface-mount assembly processes.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMHA series of miniature optocouplers designed for high-density PCB layouts. It serves as a compact alternative to larger DIP packages while maintaining robust isolation performance. The series is intended for general-purpose applications requiring reliable galvanic isolation in consumer and industrial electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HMHA2801A

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum collector-emitter voltage rating?

The maximum collector-emitter voltage (Vceo) is rated at 80 V.

Does the HMHA2801AR1 support AC input signals?

No, the datasheet specifies DC input type for this component.