The don't fake JFETs now.......do they?

[italianguy63]

I posted some old-school one's in the for sale section yesterday.

My "final" stash.

Mark

[pickdropper]

Anyways, I've come to the conclusion that there are no more 2N5457 being manufactured in TO-92 case, only SMT.

Actually, Central Semiconductor spooled up production of the 2n5457 in the TO-92 package.  The downside is they are expensive in small quantities.  They come down to about 40 cents if you get a reel of 2500.  Still, that leaves hope that somebody like Small Bear or another vendor like that might be able to continue to stock them, albeit likely at a higher price than they currently offer.

Of course, the SMT option is always there, too.

[duck_arse]

I have embraced the new SMD overlords. All our favorite JFETs are available and even some great ones that never appeared in TO-92. The SMD versions have much more consistent specs, too.

In fact, just ordered this:



For use with this:

jubal - I know you won't believe this, but I can't see the upper pic. and, when I copy the dropbox garble from source, I get an error. yes, I can hear the snickkkering, but can you find a somewhere I can see, or at least tell me what it is?

[jubal81]

Eh, ever since CLoudapp stopped being free, I've not found a great ing hosting solution.

Anyway, it's a PCB I made to go with that SMD testing fixture. 6 pins on the bottom to fit onto a breadboard or - hopefully - a custom designed testing platform, and a SIP header.
That fixture allows you to test SMD components without having to solder. Pop one in, close the hatch, test, remove. The downside, of course, is that they are steep - about $30 each.
Really wish I knew how to program. Love to make an integrated JFET testing rig that measures everything and calculates resistor values for you.

[duck_arse]

I have two words for you jubal: imgur and thank you.

[Cjuried]

I buy everything from tayda except my active parts come from small bear or this other dude on ebay, who I tracked to his facebook page and looked at all his projects. He is legit. his work is clean and beautiful and is money back guarantee like small bear if things dont measure out right. 

My new peak atlas should arrive in mail friday!!  I want to get me a bench power supply, a function ac generator and oscilloscope like we have in lab. I know they throw stuff out sometimes when they upgrade, I might have to dumpster dive for an item lol

maybe the forum has some outdated, old testors they no longer use that might be perfect for a first year EE student on the cheap 

polida ripped me off as well..I got some Fets and IC that would not work despite twisting legs.  I know RG probably will hate me but I ordered six of the juried engineering IC chips just to see what they were all about and run some tests with the other ICS I have. I only paid a dollar piece which is double the bear but i couldnt resist doing the a/b side by side and in same circuit tests

Hey, I hear that Juried Engineering cat is a pretty good guy. 

[PRR]

> two words for you jubal: imgur and

Imgur seems to have recently quit the anonymous posting idea. You need a user-name. I had a free one once, but filled-up my quota, and they wanted to charge me.

TinyPic.com is still free/anonymous.

[duck_arse]

some users find tinypic problematic ......

[amptramp]

I use photobucket but every time you enter it, it seems like they have changed the user interface.  Still, I have over 400 photos and no trouble posting pictures from it:



This is a Washburn as retrieved from the garbage.  Interesting what you find when you walk the dog on garbage day.

[bluebunny]

I need a dog.

[aron]

The gallery still works.

[MrStab]

>
Imgur seems to have recently quit the anonymous posting idea. You need a user-name. I had a free one once, but filled-up my quota, and they wanted to charge me.

just checked this, as i used to use imgur before switching to Dropbox, and i was able to upload this Inception-like pic of the Imgur upload button, logged out. The button has been moved though, i think. Maybe there's more to the limitations i'm not realising.

[pickdropper]

I use photobucket but every time you enter it, it seems like they have changed the user interface.  Still, I have over 400 photos and no trouble posting pictures from it:



This is a Washburn as retrieved from the garbage.  Interesting what you find when you walk the dog on garbage day.

I really like the full view of the swimming pool route next to the swimming pool.  That's solid photo composition there.   

[Groovenut]

I like the Yeti just out of frame to the right 

Adds a sense of mystery and suspense....

Especially since Bumbles sink 

[amptramp]

A better view of the "yeti":



Dogs have lived here since 1988 and the back lawn has suffered, especially since it is fairly small with the pool there.

[davent]

Our rabbit would appreciate your dandelions, the yeti not so much.
dave

[karbomusic]

> two words for you jubal: imgur and

Imgur seems to have recently quit the anonymous posting idea. You need a user-name. I had a free one once, but filled-up my quota, and they wanted to charge me.

Still working as anon here...... or not!

[duck_arse]

amptramp, I like the pic where the yeti first climbs out of the guitar hulk.

also, I see tinypic is a subsidiary of botophuckett, which explains a few things this end.

[jonny.reckless]

I recently purchased some 2N5484 from adeleparts2010 off eBay. They measure IDSS of 32uA@15V (yes that is correct) versus minimum spec of 1mA, and VGS off of -600mV. In a standard common source configuration with VDD = 15V, RD = 47k, RS = 10k, RG = 1M (to gnd), the VGS forward biases to 0.6V. It should typically be negative biased to around 1 - 1.5V in this circuit.

I don't know what these parts are, but they are most certainly not 2N5484s.

[Daemons]

I recently purchased some 2N5484 from adeleparts2010 off eBay. They measure IDSS of 32uA@15V (yes that is correct) versus minimum spec of 1mA, and VGS off of -600mV. In a standard common source configuration with VDD = 15V, RD = 47k, RS = 10k, RG = 1M (to gnd), the VGS forward biases to 0.6V. It should typically be negative biased to around 1 - 1.5V in this circuit.

I don't know what these parts are, but they are most certainly not 2N5484s.

Yep. I have 10 x 2N5457 which not only have the wrong specs, but have the wrong pinout! DGS instead of DSG. Bought them from Polida2008. Seller was arguing with me they were genuine Fairchild.. you can see they were sanded down and re-etched. As best as I could tell, they were 2n3819s, and not even very good ones.



I also ended up with fake Omron relays from that same seller, so you can add him to your blacklist.

Marc

ps. After threatening the seller with neg feedback to get a refund, he's blocked me from buying from him. LOL