2010 February | Vintage Electronics Blogsphere

Film Capacitors

Feb 25
2010

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Film Capacitors

Does the speed of a load capacitor depends on the capacity? Voltage or both?

I have a small project of mine I cause when I played two cables. if he was close enough Tazer made a noise and a cap 22nF 450V film I think it was has been the cause for law enforcement? Now, the charging time depends on the ability or power? you can have a low capacitance low as in the nano / range mean peak hold and May 1600 volts, which is charged as fast or nearly as fast as the 450v one?

The charging time depends resistance of the circuit load and capacity. It can be calculated as the time constant t = RC, and this is the time it takes to load up to 37% of final value. After 5 time constants to 99% of final value. Each voltage source has a source resistance. So, load time, if you connect directly from the top of the food depends on the strength of the internal source of supply. More Caps large, it is prudent to add a little resistance, such as 100 ohms in series to limit inrush current, which could damage the cover.

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