The SKB 72/04 by Semikron is a single-phase bridge rectifier with a maximum Ur of 400V and a maximum If of 70A and Ifsm of 640A. It is a compact, robust device designed for industrial use, with four diodes connected in a bridge configuration for the rectification of single phase AC power. It is suitable for a variety of applications in industries such as motor control, power supplies, automotive, and more. It can be used in various applications where both AC and DC power are needed, such as induction motors, drives, UPS, and more. The reliable and rugged construction of this device ensures it has a long product and operational life.