The ON Semiconductor HMHAA280R3 is a high-performance optocoupler designed for a variety of applications that require electrical isolation between input and output. This device is part of ON Semiconductor's extensive optoelectronics product line, offering reliable performance and robust features for industrial, commercial, and telecommunication systems.

Key Features

• High Isolation Voltage: The HMHAA280R3 optocoupler boasts an impressive isolation voltage of 3750Vrms, providing excellent protection against high voltage spikes and surges, ensuring the safety and integrity of the control side circuits.
• Current Transfer Ratio (CTR): It features a current transfer ratio range that ensures efficient signal transmission between the input LED and the output phototransistor.
• Wide Operating Temperature Range: This device operates effectively within a temperature range of -55°C to +110°C, making it suitable for harsh environmental conditions.
• Surface Mount Design: The HMHAA280R3 comes in a compact, surface-mountable SOP-4 package which is ideal for space-constrained applications.
• Lead-Free and RoHS Compliant: This optocoupler is lead-free and complies with RoHS directives, making it an environmentally friendly choice for electronic designs.

Applications

The HMHAA280R3 is versatile and can be used in a variety of applications, including but not limited to:

• Isolated line receivers
• Computer peripheral interfaces
• Microprocessor system interfaces
• Power supply regulators
• AC/DC input modules
• Industrial controls

Quality and Reliability

ON Semiconductor is known for its commitment to quality and reliability, and the HMHAA280R3 is no exception. Each optocoupler is rigorously tested to ensure it meets the high standards expected by the industry. The device's robust construction and ON Semiconductor's quality assurance guarantee that the HMHAA280R3 will perform reliably over its intended lifespan, making it a trusted choice for critical isolation applications.