HMHA2801AR2V

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801AR2V 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, ensuring robust electrical separation between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 80 V and a maximum collector current of 50 mA. The current transfer ratio ranges from 80% to 160%, with typical rise and fall times of 3 µs each. It operates within a temperature range of -55°C to +100°C and dissipates up to 210 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation via 3750 Vrms dielectric strength for safe signal transmission across potential barriers.
• Delivers fast switching performance with symmetric 3 µs rise and fall times suitable for moderate-speed digital applications.
• Integrates an NPN phototransistor output capable of handling up to 50 mA collector current with low saturation voltage.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Power supply feedback loops for voltage regulation and monitoring
• Interface circuits connecting microcontrollers to high-voltage loads

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix AR2V against the official onsemi datasheet to confirm the tape-and-reel packaging configuration and current transfer ratio binning. Ensure that the ordering information matches the required insulation voltage and package dimensions. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and compliance with RoHS standards before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact surface-mount solution is required for galvanic isolation with moderate speed requirements. The Mini-Flat package offers space efficiency compared to standard SOIC packages while maintaining similar electrical characteristics. Consider the 80% to 160% current transfer ratio range for circuit design margins. Verify that the 80 V collector-emitter voltage rating exceeds the maximum load voltage in the target application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HMHA2801A series of phototransistor optocouplers designed for general-purpose isolation applications. The series emphasizes compact form factors and reliable performance in consumer and industrial electronics. The HMHA2801AR2V variant specifically denotes the reel-packaged version of the standard HMHA2801 component, facilitating automated assembly processes.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other 4-pin Mini-Flat optocouplers from onsemi or competitors with matching 3750 Vrms isolation and NPN output configurations. Verify pinout compatibility and thermal dissipation characteristics before substitution. Generic replacements must meet or exceed the 50 mA collector current and 80 V voltage ratings.