The SMBJ28CA/TR13 with ESD Suppressors / TVS diodes BID Wkg28V 1CH SMD DO214AA2 Bkdn31.1V is an electronic component manufactured by Yageo. It is a bi-directional uni-polar transient voltage suppressor diode designed for the protection of electronic components from electrostatic discharge. It is rated for a working voltage of 28V, with a breakdown voltage of 31.1V. This component is surface mountable and comes in a DO214AA2 package. This diode helps to protect sensitive electronic devices from damage caused by lightning, power surges, electrostatic discharges, and other high voltage transients. It is suitable for use in a wide range of commercial and industrial applications, such as communications, computers, medical equipment, consumer electronics, and automotive systems.