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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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3rd Oct 2019, 11:57 pm
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#1 |
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Nonode
Join Date: Jun 2004
Location: Norwich, Norfolk, UK.
Posts: 2,543
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Mystery Component
My latest project has a couple of components that I've never encountered before. I've circled them in red, can anybody identify them please?
TIA David
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http://www.youtube.com/ My Nixie Clocks |
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3rd Oct 2019, 11:58 pm
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#2 |
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Dekatron
Join Date: Apr 2012
Location: Worksop, Nottinghamshire, UK.
Posts: 5,554
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Re: Mystery Component
Those look like selenium diodes to me.
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4th Oct 2019, 9:45 am
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#3 |
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Octode
Join Date: Jul 2009
Location: Carmel, Llannerchymedd, Anglesey, UK.
Posts: 1,509
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Re: Mystery Component
Copper oxide diodes?
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4th Oct 2019, 10:11 am
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#4 |
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Dekatron
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
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Re: Mystery Component
They look like Brimar SenTerCel selenium diodes (book page 269 for the data):
https://www.rsp-italy.it/Electronics...20-%201958.pdf Lawrence. Last edited by ms660; 4th Oct 2019 at 10:23 am. Reason: Additional info |
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4th Oct 2019, 10:53 am
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#5 |
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Nonode
Join Date: Jun 2004
Location: Norwich, Norfolk, UK.
Posts: 2,543
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Re: Mystery Component
Thanks for the replies
 .They do physically measure up to the the description of Brimar SenTerCel selenium diodes. Hopefully they'll prove serviceable! Thanks David
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http://www.youtube.com/ My Nixie Clocks |
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4th Oct 2019, 2:33 pm
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#6 |
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Dekatron
Join Date: Nov 2003
Location: Heckmondwike, West Yorkshire, UK.
Posts: 9,642
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Re: Mystery Component
The type number is stamped on the side, only the M is visible in the photo.
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