MOC3061 IC Zero Cross Optoisolators Triac Drive IC

The MOC3061 is a zero-cross Triac driver optocoupler designed for safe and efficient interfacing between low-voltage digital circuits and high-voltage AC loads.

It contains an infrared LED and a light-activated phototriac, providing strong galvanic isolation between the control and AC mains circuits.
The important feature is zero-cross detection, meaning the output triac is triggered only when the AC waveform crosses zero volts. This reduces:

• Electrical noise
• EMI/RFI
• Inrush current
• Stress on the external triac and load

The MOC3061 is ideal for clean AC switching, especially in appliances requiring minimal electrical noise.

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