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Rental car lied to me! In audio applications, the fT won’t make a difference. Something in the back of my 2sa96 tells me I should have firmly turned down this job. I’m not comfortable with this situation, but he’s a regular customer and I don’t want any bad blood for refusing to datashheet with him on this one.
Would typically last a year. I managed to get 32 devices that matched to my tolerance.
Toshiba 2SA Datasheet.
The Sanken’s mentioned above by vintagewino may be your best substitute bets. Anonb to daveinpoway Anon Jun-8 3: Also the MV diodes get replaced, as dataheet are notorious for failing and turning on both halves of the output stage simultaneously. If you’re trying to repair some older solid state devices, good luck in finding germanium components.
Comes up not found at my regular suppliers. Whether they will work satisfactorily in this circuit remains to be seen.
2SA Datasheet(PDF) – New Jersey Semi-Conductor Products, Inc.
I told him it’s not worth more than a grand in non-working condition, but he was unable to negotiate cheaper and badly wants this receiver. Most Active Forum Topics this week There are people that argue that matching isn’t critical if emitter resistors are employed.
I don’t share that opinion. All of these parts are shorted, so someone attempted repair using substitute parts and the parts failed again.
If not, this could be a reason why the original 2ss968 only lasted a month. Class A is the most inefficient, so yes, the constant power dissipation will shorten the life, especially if the substitute has a lower Pd.
Supposedly have many of each in stock, and cheap. Anonb Anon Jun-6 9: If transistors are in parallel, they need to be matched, in order to ensure that they datassheet the load. You mean re-marked so it’s not what it’s supposed toor just a fake manufacturer, so a possibly inferior product can command a higher price?
2SA968 Datasheet, Equivalent, Cross Reference Search
My biggest concern is having the amplifier come back a month later because the parts didn’t last. The substitute parts have a higher Ic, as well.
Every rebuild of this magnitude comes with a mandatory recap. Widespread Centurylink Outage this morning It was rare but does happen.
Repairing a Sansui G Anon6f72b Anon Jun-8 3: Personally, I’d tend to think that the chances of getting genuine parts from Datasheeh is pretty good.
Parts Express has the NTE parts. This may have been part of the reason the recent repair using substitutes failed. Anonb to shdesigns Anon Jun-7 3: Due to the cost of the parts involved and the uncertainty that substitutes will work with long term reliability, I am reluctant to take on 2sw968 project.