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Optoisolator

MOC3063 Zero Cross Triac Optocoupler IC
MOC3063 Zero Cross Triac Optocoupler IC

MOC3063 Zero Cross Triac Optocoupler/Opto-Isolator IC

MOC3063 IC is a 6 pin I/O Optocoupler/Optoisolator with an integrated gallium arsenide Infrared emitting diode optically coupled to a TRIAC output with a Zero-crossing circuit. The IC can provide optical isolation to devices operating at 115/240 VAC lines.
MOC-7811 Encoder Sensor
MOC-7811 Encoder Sensor

MOC-7811 Opto Isolator Module (Encoder Sensor)

Encoder sensors or also known as Slotted couplers and Opto-Interrupters are widely used for applications required to monitor any interruptions. The MOC module comes in a plastic moulding that houses an emitter and receiver section.  
What is Optocoupler and How it works?
What is Optocoupler and How it works?

What is Optocoupler and How it works?

If you’ve ever taken apart any phone charger or a switching power supply, you’ll find some tiny black IC packages with an unusual number of pins, mostly four or six, both in SMD and through-hole variants.
6N137 High Speed Optocoupler
6N137 High Speed Optocoupler

6N137 High Speed Optocoupler

6N137 Pin Configuration Pin No Pin Name Description 1 NC
MOC3021 Triac Driven Optoisolator
MOC3021 Triac Driven Optoisolator

MOC3021 Triac Driven Optoisolator

MOC3021 Pin Configuration Pin Number Pin Name Description 1