Sujet : Re: The Venerable 741
De : JL (at) *nospam* gct.com (john larkin)
Groupes : sci.electronics.designDate : 04. Nov 2024, 00:54:35
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <i73gij1r5sp2knkdc4ppckg4o0jr3cjc5n@4ax.com>
References : 1 2 3
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On Sun, 3 Nov 2024 23:17:55 +0100, Jeroen Belleman
<
jeroen@nospam.please> wrote:
On 11/3/24 23:10, Jeroen Belleman wrote:
On 11/3/24 19:07, Cursitor Doom wrote:
It's been around an awfully long time and there are far better
alternatives out there. But is there still a case for using them in
certain niche applications in 2024?
I've used them in power supply regulators exposed to radiation.
Being old designs and all-NPN, they're pretty rad-hard.
Jeroen Belleman
>
Blimey, I just checked: It isn't all-NPN! Fortunately
for me, it still kept working under irradiation...
>
Jeroen Belleman
The early integrated PNPs had betas in the single digits, so a bit of
radiation poisoning was no big deal.