HMA2701AV

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701AV is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and utilizes a surface-mount SMD-4 package. The device provides high isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and a forward current of 50 mA. The typical current transfer ratio is 300%, with a maximum power dissipation of 150 mW. Operating temperatures range from -40°C to +100°C.

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 rating for safety-critical applications.
• Designed for surface-mount technology in compact SMD-4 packages to facilitate automated assembly.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and specific lot traceability requirements before integration. Check for obsolescence notices or lifecycle changes as availability may be restricted. Ensure storage conditions meet moisture sensitivity level specifications to maintain reliability upon installation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and moderate speed are required in a small footprint. Compare current transfer ratio variations against load requirements to ensure adequate switching margins. Evaluate thermal management needs based on the 150 mW power dissipation limit. Consider alternative packages if board space constraints differ from the SMD-4 form factor.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to onsemi's portfolio of transistor output optocouplers designed for general-purpose isolation. It complements other devices in the series offering similar isolation ratings but different packaging or performance characteristics. The product line supports various industrial and commercial applications where reliable signal transmission across isolated boundaries is essential.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include variants within the same HMHA family such as HMA2701AR3V or HMA2701BR2, provided pinout and electrical specifications match. Verify that replacement parts maintain equivalent isolation voltage and current transfer ratio ranges. Cross-reference datasheets to confirm compatibility with existing circuit designs and regulatory certifications.