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Toshiba 2SA Datasheet.
Anonb Anon Jun-6 9: It’s like that feeling when you step into a mud puddle and discover it is much deeper than it looked and you find yourself up to your knees in mud and think “well, I may as well keep going. So it is up to the characteristics being audio-friendly. Dear Comcast, I won’t use your email service The output transistors appear to be original Sanken RETs. I used them in the ’70s.
2SA Datasheet(PDF) – New Jersey Semi-Conductor Products, Inc.
Anonb Anon Jun-7 If not, this could be a reason why the original repair only lasted a month. Anonb Anon Jun-7 5: Parts Express has the NTE parts. You mean re-marked so it’s not what it’s supposed to datashset, or just a fake manufacturer, so a possibly inferior product can command a higher price? Anon6f72b to Anonb Anon Jun-7 3: Anonb to daveinpoway Anon Jun-8 3: The originals are 25W dissipation, while the substitutes are 20W dissipation.
Widespread Centurylink Outage this morning Shorted outputs, shorted drivers and pre drivers.
Anonb Anon Jun-8 Comes up not found at my regular suppliers. Some circuits were very specific on the characteristics of the part. None of which give me a whole lot of peace of mind though. It’s rare to 2sa986 any Sankens that are NOT counterfeit parts these days.
Some of the alternatives datasbeet not that great lower SOA, current rating, etc. I don’t share that opinion. The O and Y are grades, as another person mentioned above. Obviously, certain critical parameters have to be met, but even then, operating something close the edge could still lead to early failures. Would typically last a year. I’m not comfortable with this situation, but he’s a regular customer and I don’t want any bad blood for refusing to work with him on this one.
The finals, though, is not where he allegedly has the problem. And, if they’re made of unobtainium, yes, good luck. There are people that argue that matching isn’t critical 2s9a68 emitter resistors are employed. Supposedly have many of each in stock, and cheap. Friend bragging about 10 year old car with really low mileag [ Automotive ] by IowaCowboy Repairing a Sansui G All of these parts are shorted, so someone attempted repair using substitute parts and the parts failed again.
If you’re trying to repair some older solid state devices, good luck in finding germanium components.
Of course transistors have many more crucial parameters than caps, and sometimes one has to compromise when the original part is made of unobtainium. Just did a search on digikey with a few additional cases that should mount onto a TO heatsink, and not very many results, and of those many are BU’s, which are switching transistors and I assume it’s not what you’re after.
Remember when they used to be ECG. That was troublesome even 30 years ago! But yes, the hFE should be close for each dagasheet.