Optocouplers

Optocouplers use light-based (optical) signal transmission to provide electrical galvanic isolation between circuits. They support reliable switching, feedback, control, and protection functions.

Categories

Explore our semiconductor product portfolio, organized by category to help you quickly find the right solution for your design.

Photo Amplifiers

Photo amplifier optocouplers isolate and accurately transfer analog or feedback signals. They are commonly used in power supplies, sensing, and control applications.
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Photo Buffers

Photo buffer optocouplers combine optical isolation with digital buffering for fast, clean logic signal transfer. They help improve signal integrity in noisy environments.
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Additional Function Optocouplers

Additional function optocouplers integrate specialized features beyond basic signal isolation. These devices simplify system design for advanced monitoring, protection, and control functions.
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Photo TRIAC Drivers

Photo TRIAC driver optocouplers provide isolated control of AC loads through TRIAC-based switching. They are commonly used in lighting, appliance, and industrial control applications.
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Photo IGBT/MOSFET Gate Drivers

Photo gate-driver optocouplers provide isolated control of MOSFETs and IGBTs in power systems. They enable safe, efficient switching in motor drives and power converters.
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