onsemi AC Input Optocoupler, Surface Mount 4-Pin MFP Package, 50mA Input Current, 3750Vrms Isolation, HMHAA280R2

onsemi HMHAA280R2 is a surface mount AC input optocoupler housed in a compact 4-pin MFP package designed for industrial and electronic control systems to provide high-quality electrical isolation between input and output circuits.

This optocoupler supports a maximum forward voltage of 1.4 volts and can handle an input current up to 50 mA, making it well suited for applications such as relay contact monitoring and industrial control circuits.

The device features an isolation voltage rating of 3750 Vrms, ensuring safe operation in environments requiring electrical separation and protection against high voltages.

With a wide operating temperature range from -55°C to 100°C, this optocoupler maintains stable performance in harsh conditions typical of industrial, manufacturing, and commercial automation systems.

Designed with one channel and 4 pins in an MFP package, it facilitates easy surface mounting on printed circuit boards (PCBs), optimizing space and assembly efficiency. Typical rise and fall times of 3 microseconds support fast signal switching and accurate timing needed in electronic applications.

The product meets CSA and UL standards, providing verified compliance for safety and reliability in electrical systems. Features a maximum forward voltage of 1.4 volts for efficient operation. Supports maximum input current of 50 milliamps suitable for various industrial applications.

Provides isolation voltage rating of 3750 Vrms ensuring high electrical isolation performance. Operates reliably across a temperature range from -55°C to 100°C. Includes a single channel to control precise signal transfer.

Compliant with CSA and UL safety standards for quality assurance. Packaging offered on tape and reel, facilitating automated mounting processes. Typical rise and fall times of 3 microseconds enable rapid response in switching applications.

Current transfer ratio range between 6% and 50% optimizing signal fidelity.

This optocoupler is ideal for use in industrial, manufacturing, automation, and electronic control systems where AC input signal isolation and transistor output control are required. Its surface mount design and tape & reel packaging make it compatible with modern assembly lines and automated PCB manufacturing processes.

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