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4hv.org :: Forums :: High Voltage
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NST current limiting

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Thomas
Sun Oct 10 2010, 02:49AM Print
Thomas Registered Member #120 Joined: Fri Feb 10 2006, 07:07AM
Location: Westchester New York
Posts: 83
Super quick question. If I were to remove the shunts from a NST how long will it last? I am thinking of drawing about 120mA from a 60mA NST. Will the NST over saturate or just over heat and eventually short circuit? Just curious since I don't want to buy one only to find it smoking.
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ubuntupokemoninc
Sun Oct 10 2010, 03:37AM
ubuntupokemoninc Banned on 1/22/2011 for repeated rule violations after multiple warnings.
Registered Member #3299 Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
if its power you want your best bet is dual mot stack with a voltage doubler,

Link2

nst can't take abuse, there pretty gutless!mistrust
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Sulaiman
Sun Oct 10 2010, 07:33AM
Sulaiman Registered Member #162 Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3140
Of the NSTs that I have seen none have easily accessible cores
for insulation they are potted either in Tar or Resin.

NSTs are not conservatively rated
why would a manufacturer use wire for 120 mA and sell it as 60 mA?

Even with the shunts in it's not too difficult to destroy an NST
so I would not waste an NST by modifying it (or attempting to)
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