The SMBJ7.0A with ESD Suppressors / TVS Diodes 600W 7V 5% Uni-Directional manufactured by Littelfuse is an Electronic protected component designed to safeguard electronics from over-voltage transients. It is a Uni-directional device that effectively clamps transients down to 7V and provides 600W of peak pulse power dissipation and is ideal for preventing ESD, Bolt and Surge-related threats. With its low breakdown voltage of 7.0V +/- 5%, it is designed to protect DC power and signal lines. The SMBJ7.0A is manufactured by Littelfuse, a reputable name in the ESD protection industry.