[bars] C1971/1972 transistors

[Juan Jiménez]

A bit of irony, I used to work for Mitsubishi Corporation, contract work,
writing the software for their supply chain management for their pilot (at
the time) semiconductor plant in Durham NC.

73,
K1CPR
Juan


On Sun, Mar 23, 2025 at 3:32 PM Stephen Crook <scrook at comcast.net> wrote:

> Alas, they are obsolete… hence mostly (Chinese?) counterfeit parts out
> there now.  :-(
>
> NTE342 is alleged to be a replacement for Mitsubishi’s 2SC1971
>
> Try: https://vetco.net/search?options%5Bprefix%5D=last&q=Nte342
> They bought NTE’s inventory when NTE went under in 2024.
>
>         = KB1LKR — Steve =
> Sent from my iPhone
>
> On Mar 23, 2025, at 2:59 PM, Richard Heckbert via bars <bars at w1hh.org>
> wrote:
>
> 
>
> Juan,
>
>
>
> Just run down to your nearest Radio Shack, er, You-Do-It Electronics, er
> A1 Electronics  - Dang!
>
>
>
> All I’m seeing are ones on Amazon that are Chinese in origin.  Some even
> have the nerve to put a Mitsubishi logo on them but then say Chinese
> generic.
>
> All the big names don’t seem to have them
>
> Newark, Mouser, Jameco, DigiKey
>
>
>
> I did find C1971’s at LCSC Electronics under PN 2SC1971
>
>
> https://www.lcsc.com/products/Bipolar-BJT_326.html?globalKeyword=C1971%2520&s_z=n_C1971%2520
>
>
>
> The above are my goto’s when I need components
>
>
>
> Sorry,
>
> Rick
>
> W1OLU
>
>
>
> *From: *bars <bars-bounces at w1hh.org> on behalf of Juan Jiménez via bars <
> bars at w1hh.org>
> *Reply-To: *Juan Jiménez <k1cpr at bd5.com>
> *Date: *Sunday, March 23, 2025 at 2:07 PM
> *To: *w1hh <bars at w1hh.org>
> *Subject: *Re: [bars] C1971/1972 transistors
>
>
>
> Folks, I didn't think I would have to explain it, but after 50 years in IT
> and electronics I know all about the standard sources. None of them have
> what I need, except for desperate Chinese suppliers known to ship
> counterfeit parts, in some cases with twisted leads.
>
>
>
> So, to clarify, I am looking for *reliable alternate* sources.
>
>
>
> 73,
>
> K1CPR
>
> Juan
>
>
>
>
>
> On Sun, Mar 23, 2025 at 11:48 AM Richard T <radiohamateur at gmail.com>
> wrote:
>
> Try the big three
>
> Gigafarts
> Digikey
> Mouser
>
> Then Amazon and horrors, lastly eBay
>
> RichieT
> W1RJT
>
>
>
> On Sun, Mar 23, 2025, 11:11 AM Juan Jiménez via bars <bars at w1hh.org>
> wrote:
>
> Does anyone know where I can get a good deal on a pair of C1971 and C1972
> RF transistors?
>
>
>
> 73,
>
> K1CPR
>
> Juan
>
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