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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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. Here is L channel, R is almost the same: 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.

JURBAug 2, ZOOMAug 2, Is this transistor in a high gain position?

On the face it says: Actually I found that one OK, just couldn’t find anything for the A version. Your name or email address: Inquiring minds want to know things.

2SA733 Datasheet, Equivalent, Cross Reference Search

After the reflow it straightened up almost completely Now I know what it means, and the parts choices made by Kenwood make more sense based on your description. I downloaded the 2SA data sheet but it does not mention the A. Share This Page Tweet.

OilmasterAug 2, Turns out there was a 2scA, at least briefly. It is always purely related to higher voltage, not to higher current rating. No, create an account now. I have seen the term “cascoded” many times, just never seemed to have time to look it up. In any case, a mystery is solved, and I have learned a few things here. They both had “halo” cracks in their solder joints. I was looking all over the web for 2saA with no luck: But I did take some live readings, they were pretty close to what the schematic shows.


Highly unlikely to be of much relevance.

(PDF) 2SA733 Datasheet download

JURB – thanks for taking the time to type in those specs for the non-A 2sa Do you already have an account? If you really 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. Log in or Sign up. In 2sq733 previous repair jobs, I failed to find the datasheets of such A version though.

But it has most things that are not too obscure. Thanks again to all I am hesitant to remove them because I have already reflowed once. It is written just like in my OP.

Just replace with ksa and call it a day. But I don’t see it on any of the A spec sheets. You must log in or sign up to reply here. What does the Datashret suffix mean? Also, there is no 2scA, just 2sc which is the normal complement of 2sa I’m sure it is not as good as those professional trade manuals that you have.


Then I heard another brief cut-out. 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.

2SA Datasheet(PDF) – NEC

I actually had the datasheet for it on my PC. HyperionAug 2, Yes, my password daasheet Is this the VAS, or some other stage? When I say in series I mean that the collector of the 2saA connects directly datasneet the emitter of the 2sa The two transistors being discussed are Q15, the 2sa Aand Q17, the 2sa Discussion in ‘ Solid State ‘ started by roger2Aug 1, One channel was intermittent.

Good 2sq733 know about the existence of those Japanese transistor data books too. 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. Here is the left channel of KR I appreciate the time you put into researching 2sa7333. The “A” suffix means new and improved.

It does show Q and P as being hfe ranges. I can’t see the faces of actual parts well enough to read. The “A” suffix usually designates a higher voltage rating.