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1st December 2010, 04:02 PM
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#1 |
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Banned
Join Date: Sep 2006
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Transistor Code Marking/Logo S Over H, What Brand?
I need to find out the manufacturer of a transistor that has a marking/logo which looks like an S over H. Any ideas? Thanks for the help!
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1st December 2010, 04:09 PM
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#2 |
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diyAudio Member
Join Date: Sep 2007
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__________________
------------------------------------------------------- A simulation free zone. Design it, build it, test it. |
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1st December 2010, 07:09 PM
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#4 | |
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diyAudio Member
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Quote:
They used to have the intertwined S and H logo. jan didden
__________________
/Another new issue: Linear Audio Volume 3! |
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1st December 2010, 11:33 PM
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#5 |
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Banned
Join Date: Sep 2006
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This is for a dual jfet 2N5566. Did Siemens ever make such a transistor?
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1st December 2010, 11:46 PM
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#6 |
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diyAudio Member
Join Date: Apr 2004
Location: Norwich, UK
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2nd December 2010, 12:37 PM
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#7 | |
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diyAudio Member
Join Date: Mar 2008
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JFET
Quote:
I have a list of manufacturers of the 2N5566 JFET dated back to 1988. I don't want to put it out on display in the forum. Siemens and Motorola is not listed as manufacturers of this JFET. |
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2nd December 2010, 03:19 PM
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#8 |
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Banned
Join Date: Sep 2006
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Jaycee - That is exactly the marking on this 2N5566 jfet!
Tommy1000 - Thanks! The jfets in question are dated from 1988 and they have the Siemens' symbol as in Jaycees post... |
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2nd December 2010, 04:34 PM
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#9 | |
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diyAudio Member
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Quote:
Is it a Siemens/Halske one? jan didden
__________________
/Another new issue: Linear Audio Volume 3! |
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2nd December 2010, 04:44 PM
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#10 | |
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diyAudio Member
Join Date: Oct 2004
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Quote:
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