Optocouplers

Reliable signal isolation is critical in industrial, automotive, energy, communications, and power conversion systems. Comprehensive optocoupler portfolio from onsemi provides proven galvanic isolation solutions for signal transfer, feedback control, gate driving, and system protection, helping enable safe, reliable operation in electrically demanding environments.​

onsemi portfolio includes high-speed logic gate optocouplers, transistor-output and Darlington-output optocouplers, AC-input devices, and isolated gate drivers designed for applications ranging from industrial automation and power supplies to battery management systems and renewable energy infrastructure. Available in compact surface-mount and through-hole package options, with wide creepage and clearance options, these devices support a broad range of isolation, speed, and performance requirements.​

Built on decades of optocoupler innovation, onsemi solutions deliver robust noise immunity, high reliability, and long operational life. Automotive-qualified and safety- focused product options help support compliance with industry standards while maintaining signal integrity in harsh operating conditions.​

With solutions spanning low-speed control signals to high-speed digital interfaces and power switching applications, the optocoupler portfolio provides trusted isolation technology for next-generation electronic systems.​