Identifying TO-3 w/HP house numbering

David Collins davidkcollins2 at gmail.com
Tue Oct 16 05:34:32 CDT 2018


The 9816 uses a BUZ45 - might be the same as the 2382?

David Collins
+61 424 785 131

> On 16 Oct 2018, at 3:24 pm, Curious Marc via cctech <cctech at classiccmp.org> wrote:
> 
> Forgot to mention, I have a 2382A that works (affectionately known as the "Munchkin" terminal). I could measure some stuff in mine for comparison if that could help out. 
> For the HP curious, the 2382A makes an appearance at the end of one of my videos:
> https://youtu.be/GLkhcDAOVPo?t=19m50
> It is very cute (I think) ;-)
> Marc
> 
>> On Oct 16, 2018, at 12:08 AM, Curious Marc <curiousmarc3 at gmail.com> wrote:
>> 
>> Can't find it either in any of the X-ref lists I have. As you know already, 1854 are usually NPN transistors, but around these numbers I see mostly Darlingtons in my collection. So maybe that's what you have, and why the junctions would test weird.
>> Marc
>> 
>>> On Oct 15, 2018, at 10:21 PM, Josh Dersch via cctalk <cctalk at classiccmp.org> wrote:
>>> 
>>> Hey all --
>>> 
>>> Got an HP 2382A terminal I'm attempting to resurrect.  I get no video, no
>>> heater, no high voltage.  What I believe to be the horizontal output
>>> transistor appears to be bad, but I'm not sure if this thing contains
>>> internal diodes that might be throwing off my testing attempts.  It's
>>> labeled "1854-0900."  Anyone know what this actually is?  (Anyone have a
>>> service manual for this terminal?)
>>> 
>>> Thanks,
>>> Josh


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