The SMDJ17CA with 108.7A 1uA 27.6V 3000W 18.9V 17V 20.9V Bi-Directional SMC TVS ROHS is an electronic component manufactured by Liown. It is a TVS Diode (transient voltage suppression diode), which is a specialized type of diode that can protect electrical components from voltage spikes, such as those caused by lightning or electrostatic discharge. The SMDJ17CA with 108.7A 1uA 27.6V 3000W 18.9V 17V 20.9V Bi-Directional SMC TVS ROHS is RoHS (Restriction of Hazardous Substances) compliant and designed for general-purpose equipment, power supplies, and other applications. It is designed to handle up to 3000 watts of power and has a peak pulse power rating of 108.7A 1uA, a maximum voltage rating of 27.6V, and a breakdown voltage of 18.9V, 17V, and 20.9V.