Capacitor identity

Thread Starter

kevmozzer

Joined Aug 12, 2011
4
I have a Ferguson radiogram from the 1960s, which has a failed capacitor I need to identify, but the markings are incomplete due to some of the casing falling off. It is square and orange coloured.
The bit I can read is,
ERIE
V
02
6(?) Z
3E

Could anyone help, so that I can replace it please?
 

bertus

Joined Apr 5, 2008
22,270
Hello,

Where was the capacitor located in the radiogram?

The part that has broken off carried the value.
Are the fallen off pieces recoverable?

The value can probably be between 10 nF and 82 nF, due to the visible 3 (the multiplier factor, 3 zeroes afther the base value).

Bertus
 

hgmjr

Joined Jan 28, 2005
9,027
Are there any markings on the other side of the device?

If so, it would be helpful if you provided a picture of the other side also.

hgmjr
 

debe

Joined Sep 21, 2010
1,389
It is a ceramic capacitor & it will be in the range of .01 to .082uf (10nf to 82nf). agreeing with Bertus.
 

SgtWookie

Joined Jul 17, 2007
22,230

THE_RB

Joined Feb 11, 2008
5,438
It looks like the ceramic plate and the 2 metal electrodes that cover each side of the plate are reasonably intact.

You can use a capacitance meter. :)

I've ID'ed round ceramic caps with a cap meter that way when the top half of the cap was broken off and it looked like a moon haha. Ie measure its remaining capacitance and calc the surface area to get it's original capacitance.
 

Thread Starter

kevmozzer

Joined Aug 12, 2011
4
The radiogram is a 624 rg, and the capacitor seems to be part of the speaker output.
After delving into it and getting a noseful of dust I have found the missing bit.
 

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