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Fuji Electric developed a 1200V class RC-IGBT based on our latest thin wafer process. The performance of this RC-IGBT shows the same relationship between conduction loss and switching loss as our 6th generation conventional IGBT and FWD. In addition its trade-off can be optimized for hard switching by lifetime killer. Calculations of the hard switching inverter loss and chip junction temperature (Tj)...
A switch Application Specific Integrated Circuit (ASIC) chip implemented in six-substrate layers for low cost design which has more than 1000 pin-count. This paper deals with the electrical design of the high density package, including transmission characteristics of the key signal lines, crosstalk between signal lines, the coupling between neighboring power pins, DC IR drop and AC input impedance...
A model for the output characteristics calculation of a powerful relativistic electron beams generator with Plasma Opening Switch (POS) is presented. The model is based on the consideration of an installation output assembly, including POS, as vacuum lines with magnetic self-insulation. Using this analogy current losses during the pulse passage in line with POS are explained by an inconsistency on...
Although the design of so-called standard resistance welders is more or less fixed, the construction of a special resistance welding machine involves a series of design factors which are only approximate and for which one allows large limits. An attempt is made to outline the elementary features of construction for successful operation by enumerating the factors which must be known. A method of obtaining...
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