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  600 volt electrolytic Capacitors
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 Return to top of page · Post #: 1 · Written at 10:06:12 PM on 29 September 2017.
Tallar Carl's avatar
 Location: Latham, ACT
 Member since 21 February 2015
 Member #: 1705
 Postcount: 1619

What UF are the ones most in demand . I am getting a new order in and depending on my costs I will be selling a a very competetive price.

 Return to top of page · Post #: 2 · Written at 10:44:28 AM on 30 September 2017.
Flakes's avatar
 Location: Adelaide, SA
 Member since 27 February 2010
 Member #: 630
 Postcount: 392

Good ol 8μF 16μF by the bucket load and a few 24μF. not much else needed in the Radios. the the ones I like to keep stock of and use most.

Valve radios, They just don't make them like they used to

 Return to top of page · Post #: 3 · Written at 3:58:33 PM on 30 September 2017.
Tallar Carl's avatar
 Location: Latham, ACT
 Member since 21 February 2015
 Member #: 1705
 Postcount: 1619

Got all those . And will have 20s as well I believe. I do have a couple of suppliers with caps now.

 Return to top of page · Post #: 4 · Written at 9:32:32 PM on 30 September 2017.
Marcc's avatar
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 4506

Seeing that you asked: One of the things to watch is voltage ratings. If you have done a lot of radio repairs you would note the bulk of the caps used had a surge voltage (as opposed to working voltage) of 525V. The old Ducon rolling around the floor at the moment, is 500 WV & 600PV that's the type commonly used with filament rectifiers like 5Y3 and any other type that created a massive surge, prior to heater tubes coming into conduction.

Most of the modern electrolytic caps do not quote a surge voltage and I steer clear of 450V ones with 5Y3 ; Also because some 450V ones have proven to be crap, even when on heater rectifiers. Then there is temperature and their ability t actually filter (too much ripple). The older sets predominantly use 8μF & 16μF with 25μF 40V on cathodes & Philips back bias, 10μF sometimes on cathodes.

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