Re: [TCML] Minimum number of MMC strings?

[Mark X2 <susax2@xxxxxxxxx>]

Adam,
a MMC is for many spark gap coils probably the most expensive component.
But since your's won't have all that much single capacitors, I'd stronlgy
recommend investing those few extra bucks and get the 942Cs.

If my memory serves me well, I recollect a thread were the dV/dt value was
marked as important. Anyone, please correct me if I'm wrong, since I'm not
an E engineer. When comparing datasheets, notice dV/dt:

942C  = 2879 V/µs
multiplied with .15 uF gives 432 A peak

B3202 = 400 V/µs
multiplied with .15 uF gives 60 A peak

your choise..




2013/8/30 Adam Karvonen <adam.karvonen@xxxxxxxxx>

> In order to keep costs down, I decided to use
> these<
> http://www.digikey.com/product-detail/en/B32023A3154M/495-3802-ND/1648119
> >capacitors
> instead. Will one string of these capacitors be able to handle
> the current in a tesla coil with a 270 watt NST?
>
>
> On Sun, Aug 11, 2013 at 12:49 PM, <zimtesla@xxxxxxxxxxx> wrote:
>
> > My experience with a TC running a 30mA NST is that one string of CDC 942C
> > caps giving 0.009 uF works well and allows me to get 30" sparks from time
> > to time.
> >
> > The discussion about multiple strings had to do with higher power coils.
> > Jim Zimmerschied
> >
> > snip
>
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