[Johnson] Power on surge

richard radke rar100 at excite.com
Tue Jun 2 21:55:45 EDT 2015


RF Parts has a pretty good selection.

Rick
W9WS


> On Jun 2, 2015, at 8:47 PM, Van Lincoln <vlincoln at frontiernet.net> wrote:
> 
> Where is the best deal on inrush current limiters please, Thank You  WD8AAM
> Van
> 
> 
> 
> At 18:02 6/2/2015, you wrote:
> >I have put inrush current limiters in all units I service, sure the
> >resistance decreases very fast but what it does do is eliminate the first
> >high current cycles of current being drawn by the affected unit.  The
> >second thing it does is drop the voltage to the transformer by a volt or
> >two.  Both good things.  The inrush current limiters are not expensive
> >compared to the good that they do. They come in different max current
> >sizes.   The things do get warm so they must be mounted where they won't
> >harm something by the heat.  You will notice the lack of a "thunk" right
> >away.  You can also drop the size of the line fuse to a more reasonable
> >value at the same time because the inrush current is not there anymore,
> >just the average current that the unit uses.  Saves on wear on the on/off
> >switch also.
> >Larry K9LWI
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