SMAFJ28CA with 45.4V, 31.1V, 28V SMA-F is a three-line, low-capacitance, unidirectional transient voltage suppressor (TVS) RoHS-compliant component, manufactured by Jingdao. It is designed to protect sensitive electronics against electrical transients and overvoltage conditions. It is rated for currents up to 30A and offers surge protection up to 600W peak pulse power. It also features high peak pulse power capability with low clamping voltage and low capacitance. This component is suitable for telecommunications, computer, industrial and automotive applications.