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Category Archives: Run


OV-15-370 Capacitor

GE”s Gem III capacitors are manufactured with high-grade metallized polypropylene film. This film is in the range of 6 to 10 microns thick, depending on the application voltage and conditions. The metallized electrode is several hundred angstroms thick. The film is wound into capacitor folls on high-speed, high-percision machines. The winding is extremely tight so that there is not enough space between the layers of corona (localized partial electrical discharges) to occur. The rolls are sprayed on the metallized electrodes. This process is critical to the quality and performance of the capacitors. The folls are assembled into metal cases, GE’s proprietary Dielektrol VI liquid is introduced under vacum, and the capacitors are sealed. THey are then subjected to 100% electrical testing for capacitance, dissipation factor, and high potential electrical withstand, both terminal-to-terminal.