The SMBJ78CA with TVS SMB (DO-214AA) RoHS is an electronic part manufactured by Yenji. It is a surtace-mount bi-directional thyristor transient voltage suppressor (TVS). It is designed to protect equipment from high voltage transient overstresses caused by ESD, lightning, and induced switching transients. It can protect equipment from reverse-voltage, surge, over-current, and over-voltage conditions. The SMBJ78CA has a peak power dissipation of 500W, breakdown voltage of 7.8V, a clamping voltage of 14V, and an operating junction temperature of 275°C. The package is RoHS compliant and has a lead-free finish. This part is ideal for communication lines and automotive electronic applications.