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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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6th Mar 2019, 6:10 pm
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#1 |
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Nonode
Join Date: May 2007
Location: Preston, Lancashire, UK.
Posts: 2,511
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Diode Identity
I have a bag of diodes I'm trying to identify, if anyone can help, please.
Not a lot to go on, and Google hasn't helped. They are the all-metal 'top hat' style with a wire out of either end face. Markings are 126T (or it could be 12GT), 64, 37 and YC, plus a diode symbol. No manufacturer's logo. Many thanks, Andy |
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6th Mar 2019, 8:25 pm
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#2 |
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Dekatron
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 4,199
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Re: Diode Identity
So 4 lines of text on each diode? Could you maybe post a picture as the font and arrangement can be clues as to the manufacturer?
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6th Mar 2019, 10:27 pm
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#3 |
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Nonode
Join Date: May 2007
Location: Preston, Lancashire, UK.
Posts: 2,511
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Re: Diode Identity
I'll try tomorrow, how successful I'll be I don't know!
Andy |
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7th Mar 2019, 6:06 pm
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#4 |
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Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
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Re: Diode Identity
Silicon, Germanium, Schottky?
You could characterise them (at any rate for rectifier use) by measuring the reverse breakdown voltage (high value resistor to limit dissipation and look for voltage flattenning off across diode as applied voltage continues to increaser) and carefully measuring temp rise with increasing amounts of forward dc current.
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7th Mar 2019, 7:53 pm
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#5 |
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Nonode
Join Date: May 2007
Location: Preston, Lancashire, UK.
Posts: 2,511
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Re: Diode Identity
Apologies, I haven't had a chance to take a photo yet.
Andy |
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