The BOURNS part SMCJ20CA is a diode TVS (Transient Voltage Suppressor) designed for protecting sensitive electronics from voltage transients. It is a single bi-directional diode with a maximum clamping voltage of 20V and a power rating of 1.5KW. With its compact 2-pin DO-214AB package, it is easy to install and suitable for a wide range of applications. This diode is capable of quickly dissipating high-energy transient surges, safeguarding your circuitry and ensuring long-term reliability.