HMA2701R2

Transistor, Photovoltaic Output Optoisolators Overview

The HMA2701R2 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates within a temperature range of -40°C to +100°C. 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 device provides an isolation voltage of 3750 Vrms and has a power dissipation rating of 150 mW. It is housed in a compact SMD-4 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor pair.
• Designed for surface-mount assembly in a small four-pin SMD-4 footprint.
• Capable of handling high isolation voltages to protect sensitive control circuitry from high-voltage transients.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial automation control systems
• Interface circuits for microcontrollers and logic families
• Power supply feedback loops requiring component-level isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the obsolete status of this part number before initiating any procurement activities. Confirm availability through authorized distributors or secondary market suppliers, as original manufacturing may have ceased. Ensure that any sourced units meet the required quality standards and traceability documentation for your specific application needs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a low-profile surface-mount solution with moderate speed and high isolation voltage is required. Consider the 40 V collector-emitter voltage limit and 80 mA current capacity for load compatibility. Evaluate the thermal performance within the specified operating temperature range to ensure reliable long-term operation in the target environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the family of transistor output optocouplers produced by onsemi. These components are widely used for electrical isolation in digital communication and power control applications. The SMD-4 packaging allows for automated placement and reduced board space consumption compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public sources indicate this product is no longer manufactured. Verify compatible substitute part numbers from the manufacturer's official obsolescence notices or distributor cross-reference lists before finalizing design changes.