The SMAJ12A with 19.9V 13.3V 12V SMA TVS ROHS is an electronic part manufactured by Jingdao. It is a transient voltage suppressor designed to provide protection against overvoltage transients. This component is RoHS compliant, and can handle voltages ranging from 19.9V to 13.3V. It can protect circuits in 12V SMA synchronized applications and features a breakdown voltage of 33.3 volts. It has High peak Pulse current of 520A (10/1000 µs). The SMAJ12A is intended for use in Automotive, Telecom, AC/DC, LED, Home appliances, Battery Powered, and Computers/Notebook applications.