Catalog > Semiconductors > Opto-Electronic Components > Opto Couplers MOC3021 1 Channel Photo Triac Opto Isolator TRIAC 400V Driver Coupler Part No: MOC3021 10.29 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features with Infrared Emitter and Light Activated Silicon Bilateral Switch Additional Information Model MOC3021 Isolation Voltage 5.3V Input Trigger Current 15mA Peak Blocking Voltage 400V Package 6 Pin DIP