ABB | 3BSE004939R2 SDCS-PIN-48 | Pulse Transformer Board

Product Description:

All DCS800 size D1 to D4 are equipped with an OnBoard bridge (excitation) and thyristor modules. In order to keep the operating temperature of the semiconductor module low, the joint between the heat sink and the module should have a good heat conducting ability. The electrical conductivity of the connectors must also be good. For this reason the following instructions must be observed with particular care. 
All DCS800 converters sizes D5/D6/D7 are equipped with disk type thyristors. The structure of the "Disc type" semiconductor component is such that it requires a certain compression force to operate. The prevention of overheating of the component essentially depends on a good heat dissipation between the semiconductor and the conducted heat sink. It is thus important that all joints have good thermal and electrical conduction.  

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