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| Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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Thread Tools |
10th Nov 2018, 7:51 pm
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#1 |
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Hexode
Join Date: Mar 2009
Location: Cirencester, Gloucestershire, UK.
Posts: 391
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5E4 diode spec
Hello All
Does anyone know the spec of the 5E4 diode, which I believe was used in some Advance test gear, and maybe in some AVOs? Is it silicon or germanium? best regards ... Stef |
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10th Nov 2018, 8:56 pm
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#2 |
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Dekatron
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
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Re: 5E4 diode spec
5E4...Silicon, 400V PIV, Imax 350mA from various glimpses on the web.
Lawrence |
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10th Nov 2018, 9:13 pm
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#3 |
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Dekatron
Join Date: Aug 2007
Location: W.Butterwick, near Doncaster UK.
Posts: 8,932
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Re: 5E4 diode spec
BY127 or similar would work.
__________________
G8JET BVWS Archivist and Member V.M.A.R.S |
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10th Nov 2018, 9:48 pm
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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: 5E4 diode spec
5E4....To save me writing the data out, book page 18, Line No. 594c:
https://archive.org/details/DATASemi...olVII/page/n19 EDIT: The sign of the cross means PIV rating, sign meanings etc are at the end of the book. Lawrence. Last edited by ms660; 10th Nov 2018 at 10:00 pm. |
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10th Nov 2018, 10:05 pm
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#5 |
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Hexode
Join Date: Mar 2009
Location: Cirencester, Gloucestershire, UK.
Posts: 391
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Re: 5E4 diode spec
Many thanks for the data.
best regards ... Stef |
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