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looking for a jennings 10-250PF veritable capacitor 55kv
- Thread starter tunercars
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55 KV?
There's a glass one at Surplus Sales of Nebraska.
https://www.surplussales.com/VaccumVarCaps/VVC5.html
About halfway down the page, his stock # CVV-VMMHC-250-55.
2100 bucks. Down a bit and to the right is a ceramic 55KV cap, but max capacitance is 450pf. 2300 bucks.
No cheap options at this level of performance.
73
There's a glass one at Surplus Sales of Nebraska.
https://www.surplussales.com/VaccumVarCaps/VVC5.html
About halfway down the page, his stock # CVV-VMMHC-250-55.
2100 bucks. Down a bit and to the right is a ceramic 55KV cap, but max capacitance is 450pf. 2300 bucks.
No cheap options at this level of performance.
73
BJ radionut
Supporting Member and 6m addict
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That voltage level is the killer (55KV)! WOW...the picture supplied looks much smaller...maybe 5-10KV... GL
RF voltages need to be much higher than the normal applied plate voltage. We used to run 1 Kw AM transmitters with 2600 volts on the anode. RF voltage at the 50 ohm common point was around 225 volts however the rating of the tune capacitor in the transmitter itself as well as in the ATU was around 10,000 volts due to the reactance voltages present. Anode blocking caps were anything between 10,000 and 25,000 volts.
I understand that, that's why I figured this baby is for the largest tubes ever made. Unless there is another application I'm overlooking.