At 18:06 2016-08-09, David VanHorn wrote:
>Arc resistance will depend on many things.  I have seen 60ish ohms on a ga=
p

Thanks for the figure. On a side note: all the rest being equal, the shorte=
r
the gap the lower the impedance?


>that 50kv would jump in air.  Your mileage will vary but that may work for
>a rough estimate.
>
>I am looking for spice models that are moderately accurate.
>
>On Aug 9, 2016 9:19 AM, "Bob Ammerman" <picram@roadrunner.com> wrote:
>
>As you increase the current, the voltage drop goes down.
>
>~ Bob Ammerman
>RAm Systems
>
>> -----Original Message-----
>> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
>> Of Electron
>> Sent: Tuesday, August 09, 2016 10:39 AM
>> To: Microcontroller discussion list - Public. <piclist@mit.edu>;
>piclist@mit.edu
>> Subject: RE: [EE] High current and voltage diode, but not fast recovery
>>
>>
>> >> On a side note, what is the impedance I can expect from an arc? So to
>> >> calculate the voltage required to make x Ampere flow through it.
>> >
>> >An arc is a negative resistance.
>>
>> Negative resistance? I do not understand what this means.
>>
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