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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Here is L channel, R is almost the same: Yes, my password is: You must log in or sign up to reply here. I appreciate the time you put into researching this.

2SA Datasheet, Equivalent, Cross Reference Search. Transistor Catalog

The reference is from both the parts list and schematic of Kenwood KR It is always purely related to higher voltage, datahseet to higher current rating. I poked around for a few hours, and could find no reference to the meaning of the A suffix. Discussion in ‘ Solid State ‘ started by roger2Aug 1, The “A” suffix usually designates a 2ea733 voltage rating.

Is this the VAS, or some other stage?

They both had “halo” cracks in their solder joints. Also, there is no 2scA, just 2sc which is the normal complement of 2sa Do you already have an account?


It does show Q and P as being hfe ranges. 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. Inquiring minds want to know things. My go to for older transistor or semi-conductor info is datasheetarchive. I can’t see the faces of actual parts well enough to read.

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. JURB – thanks for taking the time to type in those specs for the non-A 2sa I was 2sw733 all over the web for 2saA with no luck: After the reflow it straightened up almost completely The two transistors being discussed are Q15, datashet 2sa Aand Q17, the 2sa JURBAug 2, Your name or email address: But I did take some live readings, they were pretty close to what the schematic shows.

I was able to get a look at one of them with a small lighted magnifier. In any case, a mystery is solved, and I have learned a few things here. Is this transistor in a high gain position? ZOOM, I am asking what the “A” suffix for dattasheet means because I want to know what type of part the designers had in mind for this position in the amp. On the face it says: Thanks again to all I actually had the datasheet for it on my PC.


Now I know what it means, and the parts choices made by Kenwood make more sense based on your description.

(PDF) 2SA733 Datasheet download

But it has most things that are not too obscure. Where did you come up with a 2SAA? ZOOMAug 2, I am hesitant to remove them because I have already reflowed once. The “A” suffix means new and improved.

HyperionAug 2, Log in or Sign up. No, create an account now. Highly unlikely to be of much datasgeet. Turns out there was a 2scA, at least briefly. Good to know about the existence of those Japanese transistor data books too.

OilmasterAug 2, 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.