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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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19th Mar 2023, 3:35 am
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#1 |
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Heptode
Join Date: Jan 2007
Location: Parkes, NSW Australia
Posts: 869
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Mullard red jacket GET 104T
I'm looking for some data on a Mullard germanium transistor - GET 104T. Are these useful types?
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19th Mar 2023, 8:17 am
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#2 |
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Heptode
Join Date: Jul 2018
Location: Worthing, West Sussex, UK.
Posts: 789
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Re: Mullard red jacket GET 104T
GET104= AC126, ASY59, 2G303, 2N2429
The "T" suffix is not mentioned in my old book.
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"Behind every crowd, there's a silver Moonshine" |
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19th Mar 2023, 8:57 am
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#3 | |
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Heptode
Join Date: Jan 2007
Location: Parkes, NSW Australia
Posts: 869
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Re: Mullard red jacket GET 104T
Quote:
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19th Mar 2023, 9:45 am
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#4 |
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Heptode
Join Date: Jan 2008
Location: Sheffield, South Yorkshire, UK.
Posts: 543
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Re: Mullard red jacket GET 104T
Here is some data which may help, but no T suffix
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Martin BVWS member GQRP Club |
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19th Mar 2023, 11:38 am
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#5 |
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Heptode
Join Date: Jan 2007
Location: Parkes, NSW Australia
Posts: 869
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Re: Mullard red jacket GET 104T
Excellent Martin. Thanks heaps.
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19th Mar 2023, 11:47 am
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#6 |
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Moderator
Join Date: Jun 2003
Location: Oxford, UK
Posts: 26,002
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Re: Mullard red jacket GET 104T
It's actually a GEC transistor. GEC and Mullard/Philips had a joint venture in the early 60s making transistors, and this resulted in Mullard branding on some GEC types.
The GET104 isn't anything fancy, it's just GEC's answer to the OC71. http://wylie.org.uk/technology/semics/GEC/GEC.htm |
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19th Mar 2023, 6:30 pm
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#7 |
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Pentode
Join Date: Jul 2013
Location: Wilmslow, Cheshire, UK.
Posts: 182
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Re: Mullard red jacket GET 104T
The name Broadstone mentioned in the Thumbnail in post #4 was the name of the mill where the GEC transistors were made in Reddish in Stockport if my memory serves me correctly. I remember the minute pieces of coloured sleeving on the wires of GET 113 and 114. Mullard and/or Philips had a facility nearby at Hazel Grove. Peter.
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19th Mar 2023, 9:16 pm
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#8 |
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Hexode
Join Date: Jul 2008
Location: Gateshead, Tyne & Wear, UK.
Posts: 330
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Re: Mullard red jacket GET 104T
Please find attached a PDF copy of the GEC Data Sheet for the GET104 Germanium Industrial Junction Transistor, all 32 pages of it. This is not the "T" version of the transistor but may be of some use.
Note I have increased the size of the document by 35% to fill an A4 sheet, it also helps me read it. Regards Stan.
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Junk accumulates to fill the space available. 
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20th Mar 2023, 8:48 am
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#9 |
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Heptode
Join Date: Jan 2007
Location: Parkes, NSW Australia
Posts: 869
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Re: Mullard red jacket GET 104T
Many thanks for all the replies gentlemen. I'm very grateful.
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