The P3100EC is a SIDACtor protection thyristor from Littelfuse Inc. It features a repetitive peak off-state voltage of 275V, switching voltage of 350V, and surge current rating of 400A.
The P3100ECL is a SIDACtor protection thyristor from Littelfuse Inc. It features a 275V off-state voltage, 350V switching voltage, and 150mA holding current in a TO-92 package.
The P1500ECMCL is a SIDACtor protection thyristor from Littelfuse Inc. It features a repetitive peak off-state voltage of 140V and a surge current rating of 400A.