[Hallicrafters] Which cap to replace molded paper

Bill Barfield barfworks at bellsouth.net
Sun Oct 16 20:37:34 EDT 2005


I appreciate the guidance all have given me as I step into the world of boatanchor restoration. I thought I'd share a short study that I just made.

I need to replace my molded paper caps and am bewildered by the choices. I decided to do a type-by-type comparison to help highlight the differences between n caps and their relative costs. All the replacements need to be 600v or above (some 630v).   As an example to compare, I will compare .1mfd caps. 

I have the following choices from Antique Electroinic Supply (www.tubesandmore.com)  :

Mallory        Tubular metalized polyester            10%    Axial Self healing    $1.05
Orange Drop 715p series    Polypropylene film    5%                                    $1.22
                    716p series    polypropylene film and foil 10%                         $1.84
                    PS series    polyester film            10%                                   $1.42
Lolen Fast Metalized Polypropylene              tolerance not given                  $1.85     
(no name) Metal film Tubular    Non-inductive self healing windings     10%    $0.66

It looks like a choice between the Mallory and the no-name metalized film/polyester caps. they are both self healing (does that help?)  I guess the next question is whether the name brand "Mallory" is worth 39 cents.  Or, if I go with Orange Drop 715p, is 5% better tolerance woth another 17cents.

What do you guys use? Keep in mind this is to replace molded paper, nothing more exotic.

Thanks,
Bill Barfield
KD4AL


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