HMHA2801V

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801V is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output with a maximum collector-emitter voltage of 80 V and a collector current rating of 50 mA. The device provides high isolation capability with a rated insulation voltage of 3750 Vrms. Electrical performance includes a typical forward voltage of 1.3 V, a maximum saturation voltage of 300 mV, and rise/fall times of 3 µs. The Current Transfer Ratio ranges from 80% to 600% at a forward current of 5 mA. It operates within a temperature range of -55°C to +100°C and is housed in a compact 4-Mini-Flat surface-mount package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides robust electrical isolation between input and output circuits using a phototransistor configuration.
• Designed for surface-mount assembly in space-constrained applications utilizing the Mini-Flat package.
• Capable of handling standard logic-level signals with defined current transfer characteristics.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits for microcontrollers and digital logic
• Power supply feedback loops requiring galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation when ordering, as variations such as AV or CR2 may indicate different Current Transfer Ratio bins or packaging formats like tape-and-reel versus tubes. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Ensure the selected variant matches the required isolation voltage and thermal operating range for the intended environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output is required with high isolation voltage ratings. Consider the 3750 Vrms insulation rating for safety-critical applications. Evaluate the 3 µs switching speed against system timing requirements. Compare the CTR range against drive circuit capabilities to ensure reliable saturation under varying temperature conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HMHA2801 series of transistor output optocouplers. It shares the same physical footprint and basic electrical architecture with variants like HMHA2801AV and HMHA2801CR2, which differ primarily in CTR binning and packaging options. The series is designed to replace older through-hole equivalents in modern surface-mount designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HMHA2801AV

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum insulation voltage for the HMHA2801V?

The maximum insulation voltage is 3750 Vrms.

What is the typical rise and fall time for this optocoupler?

The typical rise and fall times are both 3 µs.