expressly specified in a Renesas Electronics data sheets or data books, 2SA PNP SILICON TRANSISTOR. DATA SHEET. Document No. 2SA datasheet, 2SA pdf, 2SA data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, PNP General Purpose Amplifier. 2SA V, mA. PNP Plastic Encapsulated Transistor. Jan Rev. D. Page 1 of 2 Any changes of specification will.

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I checked DC voltages and found a fairly close match to what is shown on the schematic, slightly higher but everything in correct relative proportions. Do you already have an account? It is always purely related to higher voltage, not dztasheet higher current rating. Turns out there was a 2scA, at least briefly. Inquiring minds want to know things.

2SA NEC PNP SILICON TRANSISTOR ChipFind Datasheet Archive |

I can’t see the faces of actual parts well enough to read. Here is L channel, R is almost the same: JURBAug 2, Just replace with ksa and call it a day.

My go to for older transistor or semi-conductor info is datasheetarchive. Is this the VAS, or some other stage?


In several previous repair jobs, I failed to find the datasheets of such A version though. The two transistors being discussed are Q15, the 2sa Aand Q17, the 2sa The reference is from both the parts list and schematic of Kenwood KR I poked around for a few hours, and could find no reference to the meaning of the A suffix.

Thanks datahseet to all But they are only using it as a current limiter, and my opinion is that it doesn’t mean anything, and is just a glitch that got 2ssa733 their computer.

2SA733 Datasheet, Equivalent, Cross Reference Search

On the face it says: I appreciate the time you put into researching this. As you pointed out, 2sc is the complement to 2sa, so I would assume that the “A” version of 2sa has similarly increased temperature ratings. JURB – Thanks datashedt the detailed explanation of transistor designations.

You must log in or sign up to reply here. The “A” suffix means new and improved.

When I say in series I mean that the collector of the 2saA connects directly to the emitter of the 2sa JURB – thanks for taking the time to type in those specs for the non-A 2sa If adtasheet really need to replace it, just make datashedt that the voltage between C-B doesn’t exceed 60V, and between C-E doesn’t exceed 50V. Also, there is no 2scA, just 2sc which is the normal complement of 2sa Highly unlikely to datashwet of much relevance.


I’m sure it is not as good as those professional trade manuals that you have. Here is the left channel of KR ZOOM, I am asking what the “A” suffix for 2sa means because I want to know what type of part the designers had in mind for this position in the amp.

Then I heard another brief cut-out. The red voltage markings on the schema are by Kenwood.

Log in or Sign up. I have had a look around for this, trying to find references to the 2SAA as distinct from the 2SA and can’t find anything worthy of note. I was able to get a look at one of them with a small lighted magnifier. I datasjeet looking all over the web for 2saA with no luck: