[ARC5] Capacitor Types

[Kenneth G. Gordon]

What Robert said...

Ken W7EKB

On 24 Jan 2015 at 12:17, WA5CAB--- via ARC5 wrote:

> Orange drops (and the equivalent maroon ones) have radial leads and were 
> designed for PC board mounting near the end of tube type TV production.  If the
> HQ-129-X is wired with PC boards, then orange drops are electrically OK for
> plate/screen/etc. decoupling and coupling other than around the RF and IF tubes.
>  Pretty much anywhere the original was paper.  As someone else said, it's better
> to use mica or ceramic there and for coupling.  If the receiver is wired point
> to point or on terminal boards, use axial lead types.  My preference is
> metalized polypropylene in 630 VDC rating

Mine too.

> (they are no larger and usually
> smaller than equivalent value 100 VDC rated ones from the 1940's and earlier and
> about the same size as 300V or 400V ones from the 1950's).
> 
> The problem with using orange drops in place of axial lead originals is 
> that in most cases you have to bend the leads and convert them to axial lead
> style.  This usually results in cracking a little of the orange casing off and
> sometimes cracking the seals.  Plus, although unlikely to be an issue in the
> average ham shack, if subjected to shock and vibration, the mass isn't in line
> with the leads and the leads get twisted back and forth.

As I said earlier, I REALLY don't like Orange Drops.

Ken W7EKB