HMHA2801R2

Transistor, Photovoltaic Output Optoisolators Overview

The HMHA2801R2 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 high isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 50mA, and a forward voltage of 1.3V at a maximum forward current of 50mA. The current transfer ratio ranges from 80% to 600%. Switching characteristics are defined by typical rise and fall times of 3µs each. The component operates within a temperature range of -55°C to +100°C and has a power dissipation rating of 210mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor configuration.
• Offers high dielectric strength with a 3750 Vrms insulation voltage rating for safety-critical applications.
• Features compact 4-pin Mini-Flat SMD packaging designed for automated surface-mount assembly processes.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits for microprocessors and logic devices
• Power supply feedback loops requiring voltage isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix R2 corresponds to the required tape and reel packaging format when ordering. Confirm that the 4-Mini-Flat package dimensions align with the target PCB footprint constraints. Ensure the selected variant meets the necessary insulation voltage requirements for the intended application safety standards. Cross-reference the manufacturer part number against official datasheets to confirm parameter consistency before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact form factor is required alongside standard transistor output characteristics. Consider the 80V collector-emitter voltage limit for low-voltage switching applications. Evaluate the 3µs switching speed against the system's data rate requirements. Verify that the operating temperature range of -55°C to +100°C covers the environmental conditions of the end-use product.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HMHA2801 series of transistor output optocouplers. It shares functional similarities with other members of the family but differs in specific binning or packaging configurations. The series is designed for general-purpose isolation tasks where size and cost efficiency are prioritized over high-speed performance.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HMHA2801AR2 serves as a related variant within the same series, offering different current transfer ratio specifications while maintaining identical pinout and package dimensions.