... for spot welding machine 2)high insulation resistance 3)large capacitance photoflash Aluminum Electrolytic capacitors 1) for spot welding machine ... . Small size, 2)Long life. 2000h~5000h 3)Capacitance: 220uF,330uF,470uF,680uF,820uF,1000uF,1200uF,1500uF,1800uF, ... +85C,+105CApplication: 1)Used in industrial welding machines,2)variable frequency speed controller, 3)servo control, switching power supply, ...