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who makes copper foil polystyrene caps in pf?
who makes copper foil polystyrene caps in pf?
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Old 7th April 2015, 02:03 AM   #1
rhythmsandy is offline rhythmsandy
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who makes copper foil polystyrene caps in pf?
Default who makes copper foil polystyrene caps in pf?

who manufacturers copper polystyrene capacitors in pf range..
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Old 7th April 2015, 10:29 PM   #2
PedroDaGr8 is offline PedroDaGr8  United States
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I had heard that polystyrene are going the way of the dodo. Apparently, the manufacturers that made capacitor-grade polystyrene film have ceased production.
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Old 7th April 2015, 10:39 PM   #3
counter culture is offline counter culture  United States
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I seem to recall pF caps being fabricated by the constructor for RF out of copper sheet and polythene. I think that was for matching for a large tube linear, a couple of kilowatts.
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Old 7th April 2015, 10:42 PM   #4
jcx is offline jcx  United States
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use NPO/COG ceramic for 1-2 digits of pF
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