Powersem PSD55/12, 3 Phase Diode rectifier Bridge, 55 Amp, 1200V, Replaces Semikron SKD50/12 Features Package with DCB ceramic base plate Isolation voltage 3000 V∼ Planar glass passivated chips Low forward voltage drop Leads suitable for PC board soldering UL registered, E 148688 Applications Heat and temperature control for industrial furnaces and chemical processes Lighting control Motor control Power converter Advantages Easy to mount with two screws Space and weight savings Improved temperature and power cycling capability High power density Specification Powersem Part Number PSD55/12 AC Line voltage 400V Device Configuration Three Phase Diode Rectifier Bridge DC Output @ 85 Deg C 50 Amp Package Size W:72mm L:60mm D:28mm Itsm 750 A VF(to) 0.85V Tj(max) 150°C rF 11mΩ Terminals M5 (5Nm) Hole Centres 60mm (M5) Gate Terminals N/A R th(j-c) 2.6°C/W R th(c-h) 0.24°C/W Weight 260g Isolation 3kV Factory Pack Qty 10 Certification UL Listed Powersem Headquarters Germany Datasheet Product Datasheet Alternatives See PSD51/18 or PSD85/16 for higher rated equivalent