A power semiconductor component includes a drift zone in a semiconductor body, a component junction and a compensation zone. A tray for holding a head portion of the electric shaver and an overflow preventing unit to maintain fluid level of the washing fluid in the tray at a predetermined level are integrally formed to adjoin each other via a partition wall in an anteroposterior direction of the washing apparatus. Each bit of the bit stream is set in either a first logic state indicating support of the corresponding protocol feature or a second logic state indicating an absence of a support of the corresponding protocol feature. The coolant passage is configured to minimize turbulence of coolant flowing therethrough while still promoting effective heat transfer to the flowing coolant from the piston and brake fluid. A slit is defined in the rectangular body portion adjacent to the first end.