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 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. 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 into their computer.

I appreciate the time you put into researching this. My go to for older transistor or semi-conductor info is datasheetarchive. Inquiring minds want to know things.

If you datasheeh need to replace it, just make sure that the voltage between C-B doesn’t exceed 60V, and between C-E doesn’t exceed 50V. I’m sure it is not as good as those professional trade manuals that you have.

what does (A) suffix mean in 2SA733 (A) (Q,P) ???

Your name or email address: Now I know what it means, and the parts choices made by Kenwood make more sense based on your description. Where did you come up with a 2SAA? Log in or Sign up.


One channel was intermittent. OilmasterAug 2, After the reflow it straightened up almost completely In several previous repair jobs, I failed to find the datasheets of such A version though. Turns out there was a 2scA, at least briefly.

It is written just like in my OP. The “A” suffix usually designates a higher voltage rating. In any case, a mystery is solved, and I have learned a few things here. The “A” suffix means new and improved. It does show Q and P as being hfe ranges. The two transistors being discussed are Q15, the 2sa Aand Q17, the 2sa Discussion in ‘ Solid State ‘ started by roger2Aug 1, Good to know about the existence of those Japanese transistor data books too. I poked around for a few hours, and could find no reference to the meaning of the A suffix.

They are also in series?

SA Transistor 2SA , Si-P, 60 V, A, W, MHz at reichelt elektronik

I downloaded the 2SA data sheet but it does not mention the A. I am hesitant to remove them because I have already reflowed once. Just replace with ksa and call it a day. Also, there is no 2scA, just 2sc which is the normal complement of 2sa But it has most things that are not too obscure. ZOOMAug 2, 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.


datashret 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. I can’t see the faces of actual parts well enough to read. What does the A suffix mean? Do you already have an account?

2SA NEC PNP SILICON TRANSISTOR ChipFind Datasheet Archive |

Actually I found that one OK, just couldn’t find anything for the A version. HyperionAug 2, I was looking all over the web for 2saA with no luck: JURB – Thanks for the detailed explanation of transistor designations. Here is L channel, R is almost the same: Then I heard another brief cut-out. I was able to get a look at one of them with a small lighted magnifier. Thanks again to all Is this the VAS, or some other stage? Yes, my password is: Working on a Kenwood KR receiver and suspect one of these of being bad.


2SA733 / A733 PNP Transistor

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. I have seen the term “cascoded” many times, just never seemed to datwsheet time to look it up. No, create an account now. On the face it says: Highly unlikely to be of much relevance.

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