[Heathkit] Source for 125 uf 450V electrolytics?

[Robert & Linda McGraw (K4TAX)]

The source I provided, RF Parts, will have the original style, shape and 
size for restoration of Heath DX-100 and Apache TX-1 transmitters as well as 
others.  Of course I could have cobbled up some tubular types to work, but I 
prefer to restore to as close to original as possible to protect the value 
of the item.

Yes, new style caps are usually smaller.  It is wise to obtain and use the 
105 degree C type over the original 85 degree C type if at all possible. 
I'd exercise caution when using caps designated for "photoflash" 
applications even though the voltage and capacity may appear to be the same. 
Their PF rating is quite different than those designed for power supply 
ripple filtering.  The rapid charge and discharge cycle at 120 times per 
second will diminish their life.  This is specially true in voltage doubler 
applications.

73
Bob, K4TAX

----- Original Message ----- 
From: "David Thompson" <thompson at mindspring.com>
To: <boatanchors at mailman.qth.net>; <heathkit at mailman.qth.net>; 
<national at mailman.qth.net>; <hammarlund at mailman.qth.net>; 
<hallicrafters at mailman.qth.net>
Sent: Saturday, February 03, 2007 6:22 PM
Subject: Re: [Heathkit] Source for 125 uf 450V electrolytics?


>I got a set of 120uF 450V caps on the internet for a mere song.  I blew a
> cap in my Dentron DTR 2000L with an 8877 final.  When you blow one its 
> good
> practice to replace them all (8 in my case).
>
> My originals (actual 2nd set) are 4" tall.  These new ones are very short
> and thin. About 1/4 the original size.  I find
> about the same type of capacitor in the Newark Catalog under United
> Chemi-con.  These are for a printed circuit board which the Dentron has. 
> My
> catalog is several years old so assume they run about $12.00 now.  Newark
> has several different brands.
>
> 73 Dave K4JRB
>
>
>
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