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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JURB – thanks for taking the time to type in those specs for the non-A 2sa It does show Q and P as being hfe ranges. ZOOMAug 2, OilmasterAug 2, Dattasheet was able to get a look at one of them with a small lighted magnifier. JURB – Thanks for the detailed explanation of transistor designations.
I was looking all over the web for 2saA with no luck: Is this the VAS, or some other stage? The “A” suffix usually designates a higher voltage rating. I am hesitant to remove them because I have already reflowed once.
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. Also, there is no 2scA, just 2sc which is the normal complement of 2sa Hyperion ratasheet, Aug 2, You must log in or sign up to reply here. Now I know what it means, datashset the parts choices made by Kenwood make more sense based on your description.
Log in or Sign up. I appreciate the time you put into researching this. 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, They both had “halo” cracks in their solder joints. Just replace with ksa and call it a day. But it has most things that are not too obscure. 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.
Highly unlikely to be of much relevance. It is always purely related to higher voltage, not to higher current rating. The red voltage markings on the schema are by Kenwood. The “A” suffix means new and improved. In several previous repair jobs, I failed to find the datasheets of such A version though. Do you already have an account? Working on a Kenwood KR receiver and suspect one of these of being bad. Inquiring minds want to know things.
They Kenwood did the same thing in the kr manual. Share This Page Tweet. 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. No, create an account now.
My go to for older transistor or semi-conductor info is datasheetarchive. One channel was intermittent.
2SA Datasheet pdf – PNP General Purpose Amplifier – Fairchild Semiconductor
But I did take some live darasheet, they were pretty close to what the schematic shows. Where did you come up with a 2SAA? 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.
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. Turns out there was a 2scA, at least briefly. Yes, my password is: The reference is from both the parts list and schematic of Kenwood KR I downloaded the 2SA data sheet datssheet it does not mention the A.
After the reflow it straightened up almost completely I have seen the term “cascoded” many times, just never seemed to have daatsheet to look it up.
When I say in series I mean that the collector of the 2saA connects directly to the emitter of the 2sa I actually had the datasheet for it on my PC. On the face it says: The two transistors being discussed are Q15, the 2sa Aand Q17, the 2sa