The SMAFJ20CA TVS ROHS electronic part is manufactured by Jingdao, and it is rated for 32.4V, 22.2V, and 20V. It has a type of SMA-F, meaning that it is a diodes component which is used to protect sensitive electronics and components from high-voltage, overvoltage, and high-current electrical surges. It is commonly used in automotive and industrial markets, as well as to provide a more reliable power supply and improve signal isolation. This part is RoHS compliant, making it environmentally friendly.