The MOC3021 is a optically isolated triac driver devices. MOC3021 contains a GaAs infrared emitting diode and a light activated silicon bilateral switch, which functions like a triac. MOC3021 optoisolator IC is designed for interfacing between electronic controls and power triacs to control resistive and inductive loads for 115 VAC operations. Features of MOC3021 Triac Driver IC Excellent IFT stability IR emitting diode has low degradation High isolation voltage minimum 5300 VAC RMS Peak blocking voltage 250 Volts Applications for MOC3021 IC Industrial controls Solenoid valve/valve controls Traffic lights Static mains switches Vending machines Light bulb dimmers Solid state relays Engine controls Ballasts

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