| Author |
Message |
Watson A.Name - \"Watt Su
Guest
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 Posted:
Mon Apr 11, 2005 3:10 pm Post subject:
JFET = JFET = JFET . . .? |
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I got some basic info from my Moto manual for the 2N3436. But a google
brought up almost nothing other than the Digchip website. I jumped thru
all the hoops to register, but was sadly disappointed. The dfatasheet
they offered was for a Solitron chip, not the finished device. And the
part no's they said it was used in were not 2N3436. Nor could I trace
any crossref to those no's. No 'provenance' so to speak. Leaves me
wondering if this database is even valid.
I know that JFETs are a lot alike, but usually I can find out if the FET
is optimized for RF, or low noise audio or LF, or switching, etc. But
apparently not in this case. About the only thing I found was that it
is in the TO-18 case.
--
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Subject: line with other stuff. alondra101 <at> hotmail.com
Don't be ripped off by the big book dealers. Go to the URL
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Fred Bartoli
Guest
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| Posted:
Mon Apr 11, 2005 3:10 pm Post subject:
Re: JFET = JFET = JFET . . .? |
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"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com> a
écrit dans le message de news:115kqrjdvlrhtcc@corp.supernews.com...
| Quote: | I got some basic info from my Moto manual for the 2N3436. But a google
brought up almost nothing other than the Digchip website. I jumped thru
all the hoops to register, but was sadly disappointed. The dfatasheet
they offered was for a Solitron chip, not the finished device. And the
part no's they said it was used in were not 2N3436. Nor could I trace
any crossref to those no's. No 'provenance' so to speak. Leaves me
wondering if this database is even valid.
I know that JFETs are a lot alike, but usually I can find out if the FET
is optimized for RF, or low noise audio or LF, or switching, etc. But
apparently not in this case. About the only thing I found was that it
is in the TO-18 case.
|
Found this one:
http://www.americanmicrosemi.com/products/specs/2N3436.phtml
--
Thanks,
Fred. |
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tlbs
Guest
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| Posted:
Mon Apr 11, 2005 6:10 pm Post subject:
Re: JFET = JFET = JFET . . .? |
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I couldn't find anything in any of my databooks (some of them quite
old).
The 2N3436 does cross reference to an NTE 133, which is:
JFET N-Ch General Purpose AF Amp/Switch
BV[GSS] min = 25 V
V[GS] max cutoff = 6 V
I[DSS] (min - max) = 0.5 - 15 mA
C[ISS] max = 6 pF
C[RSS] max = 2 pF
g[FS] = 40000 umho
Power diss, max = 300 mW
Hope this helps.
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Watson A.Name - \"Watt Su
Guest
|
| Posted:
Tue Apr 12, 2005 12:10 am Post subject:
Re: JFET = JFET = JFET . . .? |
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"Fred Bartoli"
<fred._canxxxel_this_bartoli@RemoveThatAlso_free.fr_AndThisToo> wrote in
message news:425a7ea2$0$32030$626a14ce@news.free.fr...
| Quote: |
"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com
a
écrit dans le message de news:115kqrjdvlrhtcc@corp.supernews.com...
I got some basic info from my Moto manual for the 2N3436. But a
google
brought up almost nothing other than the Digchip website. I jumped
thru
all the hoops to register, but was sadly disappointed. The
dfatasheet
they offered was for a Solitron chip, not the finished device. And
the
part no's they said it was used in were not 2N3436. Nor could I
trace
any crossref to those no's. No 'provenance' so to speak. Leaves me
wondering if this database is even valid.
I know that JFETs are a lot alike, but usually I can find out if the
FET
is optimized for RF, or low noise audio or LF, or switching, etc.
But
apparently not in this case. About the only thing I found was that
it
is in the TO-18 case.
Found this one:
http://www.americanmicrosemi.com/products/specs/2N3436.phtml
--
Thanks,
Fred.
|
Thanks, that's more than I had before.
BTW< I bought some Ge diodes from them, and I don't think I want to buy
anything more from them. The diodes visually looked like they were
assembled by a drunk. |
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Graham W
Guest
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| Posted:
Mon Apr 18, 2005 1:06 am Post subject:
Re: JFET = JFET = JFET . . .? |
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I'll add the Siliconix 1979 info to the right:
tlbs wrote:
| Quote: | I couldn't find anything in any of my databooks (some of them quite
old).
The 2N3436 does cross reference to an NTE 133, which is:
JFET N-Ch General Purpose AF Amp/Switch
BV[GSS] min = 25 V -50v
V[GS] max cutoff = 6 V -9.8v
I[DSS] (min - max) = 0.5 - 15 mA 3.0 - 15mA
C[ISS] max = 6 pF 18pF
C[RSS] max = 2 pF no info
g[FS] = 40000 umho 2500 - 10,000umho@1kHz
Power diss, max = 300 mW 300mW (@ or below 25ºC)
Noise Factor 2dB
Hope this helps. Me Too!
|
--
Graham W http://www.gcw.org.uk/ PGM-FI page updated, Graphics Tutorial
WIMBORNE http://www.wessex-astro-society.freeserve.co.uk/ Wessex
Dorset UK Astro Society's Web pages, Info, Meeting Dates, Sites & Maps
Change 'news' to 'sewn' in my Reply address to avoid my spam filter. |
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