Opto isolator circuit3/22/2023 ![]() ![]() The other optocoupler only gives the output only gives magnitude at zero but non-zero optocoupler gives the magnitude at different levels from zero to maximum. The MOC3021 is a Non-Zero Crossing optocoupler. In HIGH load the operating temperature always affects the circuit performance, but MOC3021 has the ability to operate in HIGH temperature and it also increases the optocoupler life. The optocoupler comes only in one package but the single package could be used with any circuit. MOC3021 Optocoupler work on the IR based and it keeps any kind of current to flow towards the circuit. It has the ability to flow the current up to 1A. This optocoupler provides protection from HIGH resistive and inductive loads. The MOC3021 comes in an internal light-emitting diode and a TRIAC based light activating based transistor. It is having internal TRIAC installed which gives it a capability to control any external switching devices like HIGH POWER TRIAC, MOSFETS, and Solid States Relay. There is also a TRIAC based optocoupler known as MOC3021. Optocoupler has multiple types and every type has almost the same operating functionality, but sometimes its internal structure makes it different from another optocoupler. MOC3021 is a non-zero crossing based optoisolator consists of gallium arsenide infrared emitting diodes, optically coupled to a silicon-based triac. ![]()
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