HMA2701R4

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701R4 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates in a surface-mount SMD-4 package. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and an isolation voltage of 3750 Vrms. The device supports a forward current of 50 mA with a forward voltage of 1.4 V. It exhibits a typical current transfer ratio of 300% and a maximum collector-emitter saturation voltage of 300 mV. Power dissipation is rated at 150 mW, with an operating temperature range from -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits via an internal infrared LED and phototransistor pair.
• Features a compact four-pin surface-mount design suitable for automated assembly and space-constrained PCB layouts.
• Delivers robust signal transmission capabilities with defined current transfer characteristics for reliable switching applications.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits for microcontrollers requiring galvanic separation
• Power supply feedback loops for voltage regulation monitoring

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm RoHS compliance status and specific packaging variants such as reel or cut tape configurations prior to ordering. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output optocoupler with 3750 Vrms isolation is required. Consider the 40 V collector-emitter voltage limit and 80 mA current capacity against load requirements. Evaluate the SMD-4 package dimensions for board space compatibility and verify that the -40°C to +100°C operating range meets environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMA2701 series of transistor output optocouplers from onsemi. It shares functional similarities with other devices in the family but differs in specific packaging and suffix designations. The series is designed for general-purpose isolation tasks where moderate speed and high voltage isolation are primary requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameter equivalence before considering alternative manufacturers or generic equivalents.