National PF5301 cross reference

Not exactly a data sheet, but it does have some specs. There should be some other acceptable devices in the chart. 2N4117A or 2N4118 look very close.

I'm always seeing these ~1/4 page adds in ED or EDN for a company that stil l does Jfets... I couldn't find it in a quick browse through EDN.. but I to ss them to a tech. guy after I skim them. Maybe someone else can recall th e name, or find it. (No list of advertisers for EDN.. I guess that would a dd too many additional pages, for which they'd need more add revenue.. etc. )

George H.

Maybe Interfet, or Linear Systems?

What's the application? Do you really need a jfet?

Bingo! Linear systems is the add I'm thinking of.. Oh, the OP's already been there.

Sorry.

George H.

ITYM PN4117A and PN4118A. [Google] Or maybe so?

Those do look good and there seems to be some out there, but I'm not too crazy about sources that ask for a RFQ only to tell you that they have a $100 minimum. Was hoping for something I could buy at Digikey or Mouser or some other distributor with no minimums.

Although there is a Vishay 2N4117A-E3

Vishay also has a 2N4118A.

A pity that these are all EOL. *sigh*

Thanks, Jeff.

Actually, they look very much like the PF5301 with a JEDEC registered number instead of a NS only number.

Welcome to eBay, my favorite source for all things odd and unobtainable. I suggest you buy from two different US vendors and get some spares. Don't be surprised if you get unarked parts stolen off the production line, fished out of the rejects bin, or are counterfeits (especially electrolytics). For eBay parts, you can have anything you want except quality. Q302 is not part of a differential pair, so you shouldn't need to do any matching. Good luck.

I'm getting old enough to be declared EOL. No sympathy.

JW schrieb:

Hi,

I could send you photos (don't have access to a scanner till Monday): interested? If yes, just contact me per PM.

CU

Reinhard

How about this?

Around $8 but there's two in the package.

I managed to purchase a few dozen PN4117A (new-old-stock Calogic) on eBay last year... figured they might be useful for playing around with ion-chamber radiation detector designs. There are still a couple of vendors on eBay offering these.

If it's speced at 10 nA at max temperature, what would you expect at room temp?

You might find some here:

Glorious, thanks.

Cheers

Phil Hobbs

Gah! I forgot how to draw fets :(

Some other links you might find useful: