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| Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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Thread Tools |
31st Aug 2022, 10:43 pm
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#1 |
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Dekatron
Join Date: Apr 2019
Location: Worthing, West Sussex, UK.
Posts: 6,600
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Capacitor Marking Identification
I have quite a few of these yellow capacitors, the example one (0.68/10/100) in the photos is 0.68uF (680nF).
I assume the 100 is 100 volts rating but am unsure about the 10, could it be a % tolerance ? David |
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31st Aug 2022, 10:47 pm
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#2 |
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Hexode
Join Date: Mar 2014
Location: Peacehaven, East Sussex, UK.
Posts: 278
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Re: Capacitor Marking Identification
yes they are 10%
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31st Aug 2022, 10:51 pm
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#3 |
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Nonode
Join Date: May 2007
Location: Redruth, Cornwall, UK.
Posts: 2,573
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Re: Capacitor Marking Identification
David.
they're Philips 344 series MKT polyester capacitors and it's my understanding they're 10% tolerance as you mention. They were common in the late 1970s and 1980s and were superceded with with a blue cased version. Regards, Symon |
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31st Aug 2022, 10:55 pm
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#4 |
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Dekatron
Join Date: Apr 2019
Location: Worthing, West Sussex, UK.
Posts: 6,600
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Re: Capacitor Marking Identification
From the 344 25684 number now have found a Philips data sheet confirming 0.68uF 100V +/- 10%, they are MKT Metallized Film.
David Update - sent before seeing the 2 replies, thank you for the replies Last edited by DMcMahon; 31st Aug 2022 at 10:57 pm. Reason: Update |
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3rd Sep 2022, 11:36 am
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#5 |
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Dekatron
Join Date: Apr 2019
Location: Worthing, West Sussex, UK.
Posts: 6,600
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Re: Capacitor Marking Identification
Please close thank you.
David |
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15th Sep 2022, 4:18 pm
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#6 |
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Nonode
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
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Re: Capacitor Marking Identification
Quick word of warning. If this type is similar to those we used at GEC try and avoid a lot of heat on the legs when soldering as the legs don't like heat.
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