Rectifier diode
Generally, a rectifier diode device includes a conductive base, a semiconductor chip bonded on the conductive base by means of a conductive material in order to perform a rectifying function, a conductive lead bonded on the semiconductor chip by means of a conductive material, and insulating resin for encapsulating the conductive base, the semiconductor chip and the conductive lead. Alternators for mobile use provides three-phase output current which is rectified by semiconductor diodes. The semiconductor diodes usually are constructed in form of diode plates, such as chips, which are secured to a base structure which must be so designed that it can carry away heat generated during operation of the diode. An alternator is in the form of a structure made up of two metal bearing assemblies or half-shells, with each half-shell receiving one end of a rotor shaft, and with a stator being mounted stationary relative to the half-shells. Such an alternator also includes a regulator circuit and a set of diodes for rectifying the alternating voltages delivered by the stator windings.
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