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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 Sep 2021, 2:10 pm
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#1 |
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Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,987
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Resistors identification
What is the wattage, manufacturer, series, date. They measure 8mm long X <3mm Dia. They are 5% & 10% and measure well within tolerance.
John.
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20th Sep 2021, 2:15 pm
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#2 |
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Dekatron
Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,998
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Re: Resistors identification
They remind me of the ones made by the Yugoslav "Iskra" company back in the 80s and sold extensively throughout the West in that timescale.
Test the leadouts with a magnet - I bet you'll find they are magnetic! |
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20th Sep 2021, 4:17 pm
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#3 |
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Nonode
Join Date: Jun 2013
Location: Surbiton, SW London, UK.
Posts: 2,801
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Re: Resistors identification
Indeed, Iskra carbon film 0.25W. The 0.5W types are also larger than the equivalent UK
types. They seem to be reliable. |
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20th Sep 2021, 4:31 pm
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#4 | |
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Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,987
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Re: Resistors identification
Quote:
 , BTW thanks for the info. John.
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My favourite text message "I'll be there in five minutes, if not read again" |
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20th Sep 2021, 4:54 pm
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#5 |
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Dekatron
Join Date: Nov 2010
Location: Oxford, UK.
Posts: 4,983
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Re: Resistors identification
Iskra resistors were used extensively by the audio industry in the 80's. Quad is one example.
And yes - I agree that they are reliable. Craig |
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20th Sep 2021, 5:12 pm
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#6 |
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Dekatron
Join Date: Jun 2013
Location: East Sussex, UK.
Posts: 3,326
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Re: Resistors identification
All the Iskra resistors I bought, thousands of them, all had a beige background. Philips often used pale green as background. Of course makers sometimes changed colours with different specifications.
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20th Sep 2021, 5:13 pm
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#7 | ||
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Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,987
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Re: Resistors identification
Quote:
John.
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20th Sep 2021, 5:31 pm
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#8 | |
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Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,987
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Re: Resistors identification
Quote:
I have only found one beige so far amongst the packs. John.
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My favourite text message "I'll be there in five minutes, if not read again" |
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20th Sep 2021, 7:47 pm
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#9 | |
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Dekatron
Join Date: Sep 2003
Location: Near Swindon, North Wiltshire, UK.
Posts: 3,612
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Re: Resistors identification
Quote:
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20th Sep 2021, 11:51 pm
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#10 |
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Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,987
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Re: Resistors identification
This might as well be closed, Thanks to everyone who replied.
John.
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