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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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20th May 2014, 5:30 pm
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#1 |
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Retired Dormant Member
Join Date: Jan 2007
Location: Lampeter, Dyfed, Wales, UK.
Posts: 369
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Capacitor info please
Hi.
Can someone tell me if these are Tantalum or Solid aluminium. |
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20th May 2014, 5:55 pm
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#2 |
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Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
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Re: Capacitor info please
I've seen solid aluminium ones that colour, but I've no idea if that colour was exclusive to them. Is there any manufacturer's marking?
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....__________ ....|____||__|__\_____ .=.| _---\__|__|_---_|. .........O..Chris....O |
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20th May 2014, 6:05 pm
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#3 |
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Tetrode
Join Date: Apr 2012
Location: Manchester, UK
Posts: 92
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Re: Capacitor info please
Looks like a Philips polyester film to me...
regards, Steve.
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Due to recession, the light at the end of the tunnel has been switched off... |
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20th May 2014, 6:56 pm
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#4 |
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Dekatron
Join Date: May 2008
Location: Derby, UK.
Posts: 7,735
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Re: Capacitor info please
Almost anything of the right value that will physically fit in the same space will do the job. Modern, ordinary electrolytics are electrically as good as, and physically no larger than, older "special" capacitors.
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If I have seen further than others, it is because I was standing on a pile of failed experiments. |
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20th May 2014, 7:51 pm
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#5 |
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Dekatron
Join Date: Jun 2009
Location: Staffordshire Moorlands, UK.
Posts: 5,271
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Re: Capacitor info please
It'll be a Philips tantalum, the fat leg is the +ve
Anything will do so long as the circuit doesn't need a super low leakage type.
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Kevin |
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20th May 2014, 8:25 pm
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#6 |
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Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
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Re: Capacitor info please
That means it could be either......
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....__________ ....|____||__|__\_____ .=.| _---\__|__|_---_|. .........O..Chris....O |
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22nd May 2014, 4:28 pm
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#7 |
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Retired Dormant Member
Join Date: Jan 2007
Location: Lampeter, Dyfed, Wales, UK.
Posts: 369
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Re: Capacitor info please
McMurdo seems to be correct, those are the ones I am talking about, now to find a supplier.
Thanks for all your help lads. Wal |
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25th Jul 2014, 12:31 pm
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#8 | |
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Octode
Join Date: Nov 2010
Location: Cullompton, Devon, UK.
Posts: 1,435
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Re: Capacitor info please
Quote:
John |
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25th Jul 2014, 3:38 pm
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#9 |
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Dekatron
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 4,199
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Re: Capacitor info please
The best course of action, is to have a look at the printing. Philips (now Vishay BC) most of the time printed the series-number, so it can be looked up in the data books. I would guess solid aluminium, but there is a chance it might be tantalum. 128 as said, is for solid aluminium, some other numbers may as well.
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