Trans Voltage Suppressor Diode,
SMB 16.7V 600W Unidirectional Surge Suppressor
TVS Diode 7.5V 600W SMB Unidirectional ESD Protection
Zener Diode Single 51V 600W 7.3A SMB
Diode TVS Single Uni-Direction 6.5V 600W 2-Pin SMB T/R