The BOURNS part SMAJ100CA is a TVS diode with a single bi-directional configuration designed to effectively protect sensitive electronic components from voltage fluctuations and transients. It has a 100V clamping voltage and a power rating of 400W, providing reliable overvoltage and surge protection. This diode is enclosed in a 2-pin SMA package, making it easy to install and integrate into various circuit designs. It is available in tape and reel packaging for effortless handling during production.