Groups > sci.electronics.design > #489329

Re: A SOT-89 with emitter in the middle

From	Winfield Hill <hill@rowland.harvard.edu>
Newsgroups	sci.electronics.design
Subject	Re: A SOT-89 with emitter in the middle
Date	2017-12-26 05:34 -0800
Organization	Rowland Institute
Message-ID	<p1tj4b088i@drn.newsguy.com> (permalink)
References	<kr4o3d9u4fddpdle7frpou75ig63enu8ae@4ax.com> <l50p3dllhtesisjcal17ng6sfqe6iluqr2@4ax.com> <fa41t7FgrouU1@mid.individual.net> <bndq3d56s890872q7ae8i0tpmikvi6ks26@4ax.com>

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John Larkin wrote...
>
> Unfortunately, SOT89 RF transistors get discontinued
> a lot faster than they get introduced. I designed a
> wonderful circuit recently, that uses BFQ149s (PNP)
> parts, and then they were discontinued. Bummer. We
> bought 11,000 to tide us over for a while, but I'm
> going to have to redesign eventually.

 OK, I'll bite.  What's the wonderful design that'll
 swallow up 11,000 BFQ149s, and come back for more?


-- 
 Thanks,
    - Win

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Thread

A SOT-89 with emitter in the middle LM <sala.nimi@mail.com> - 2017-12-21 22:07 +0200
  Re: A SOT-89 with emitter in the middle Gerhard Hoffmann <ghf@hoffmann-hochfrequenz.de> - 2017-12-21 21:55 +0100
    Re: A SOT-89 with emitter in the middle LM <sala.nimi@mail.com> - 2017-12-21 23:51 +0200
      Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-24 10:47 -0800
        Re: A SOT-89 with emitter in the middle Robert Baer <robertbaer@localnet.com> - 2017-12-24 18:27 -0800
          Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-25 08:41 -0800
    Re: A SOT-89 with emitter in the middle Winfield Hill <hill@rowland.harvard.edu> - 2017-12-21 13:54 -0800
      Re: A SOT-89 with emitter in the middle LM <sala.nimi@mail.com> - 2017-12-23 21:27 +0200
      Re: A SOT-89 with emitter in the middle Robert Baer <robertbaer@localnet.com> - 2017-12-23 22:05 -0800
  Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-21 19:51 -0800
    Re: A SOT-89 with emitter in the middle Gerhard Hoffmann <ghf@hoffmann-hochfrequenz.de> - 2017-12-22 10:34 +0100
      Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-22 08:56 -0800
        Re: A SOT-89 with emitter in the middle Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-12-23 08:01 -0500
        Re: A SOT-89 with emitter in the middle Winfield Hill <hill@rowland.harvard.edu> - 2017-12-26 05:34 -0800
          Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-26 08:43 -0800
            Re: A SOT-89 with emitter in the middle Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-12-26 13:03 -0500
              Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-26 10:36 -0800
            Re: A SOT-89 with emitter in the middle Winfield Hill <hill@rowland.harvard.edu> - 2017-12-27 05:50 -0800
              Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-27 09:34 -0500
              Re: A SOT-89 with emitter in the middle "John Miles, KE5FX" <jmiles@gmail.com> - 2017-12-27 13:42 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-27 19:58 -0500
                Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-27 19:11 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-27 22:44 -0500
                Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-27 20:08 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-27 23:29 -0500
                Re: A SOT-89 with emitter in the middle whit3rd <whit3rd@gmail.com> - 2017-12-28 03:34 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-28 08:42 -0500
                Re: A SOT-89 with emitter in the middle John Larkin <jjlarkin@highlandtechnology.com> - 2017-12-28 08:16 -0800
                Re: A SOT-89 with emitter in the middle boB <boB@K7IQ.com> - 2017-12-28 10:11 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-28 20:03 -0500
                Re: A SOT-89 with emitter in the middle Winfield Hill <hill@rowland.harvard.edu> - 2017-12-28 17:08 -0800
                Re: A SOT-89 with emitter in the middle krw@notreal.com - 2017-12-28 20:28 -0500
  Re: A SOT-89 with emitter in the middle mpm <mpmillard@aol.com> - 2017-12-23 17:12 -0800

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