Groups > sci.electronics.design > #453091

Re: Low Threshold MOSFET

From	Winfield Hill <hill@rowland.harvard.edu>
Newsgroups	sci.electronics.design
Subject	Re: Low Threshold MOSFET
Date	2017-03-22 12:01 -0700
Organization	Rowland Institute
Message-ID	<oauhlg01lea@drn.newsguy.com> (permalink)
References	<oanlv1$af7$1@dont-email.me> <oau1v0$fmf$1@dont-email.me> <oauged$fmf$2@dont-email.me>

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John S wrote...
>
>On 3/22/2017 1:03 PM, rickman wrote:
>> On 3/22/2017 10:36 AM, John S wrote:
>>> On 3/19/2017 11:34 PM, rickman wrote:
>>>> I was looking to order some low current MOSFETs and realized all the
>>>> popular items had thresholds of 3 volts and higher.  I would like to use
>>>> something that turns on pretty well at 3 volts so it won't need a 5 volt
>>>> PSU.  Any suggestions?  I'm looking for a TO-92 case preferably but
>>>> surface mount will be ok too.
>>>>
>>>> I could have sworn some years ago I tracked down a number of low
>>>> threshold voltage FETs.  But maybe those devices operated under 5 volts
>>>> rather than under 3.3 volts.
>>>>
>>>
>>> We have been very happy with the FDN337N.
>>
>> I was checking this out and found the prices are >$0.20 even on ebay
>> buying 50 or more.  Then I checked aliexpress and found this one...
>>
>> https://www.aliexpress.com/item
>>
>> $2.80 for 100 with free shipping!  I would say that have to be fakes,
>> but this store has been online for 3 years with 100%.  How can they do
>> that?
>
>Don't know. I just discovered that the FDN337N is unobtanium for the 
>next couple of months or more. That prompted me to find a substitute 
>which I have not yet singled out. We need something in the next week or 
>two. Crap!

 I have found aliexpress sellers to be very helpful. 
 I'll bet they'll sell you lots of 100 and probably
 accept your request for next-day air shipping, if
 you pay for it in advance with a bank transfer.


-- 
 Thanks,
    - Win

Thread

Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-20 00:34 -0400
  Re: Low Threshold MOSFET "Lund-Nielsen, Jorgen" <jorgen.lund-nielsen@xyz123desy.de> - 2017-03-20 13:30 +0100
    Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-20 15:26 -0400
      Re: Low Threshold MOSFET Hul Tytus <ht@panix.com> - 2017-03-20 22:47 +0000
        Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-20 21:42 -0400
          Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-21 08:03 -0700
          Re: Low Threshold MOSFET Hul Tytus <ht@panix.com> - 2017-03-21 23:36 +0000
            Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-21 20:06 -0400
  Re: Low Threshold MOSFET Allan Herriman <allanherriman@hotmail.com> - 2017-03-20 12:56 +0000
    Re: Low Threshold MOSFET Winfield Hill <hill@rowland.harvard.edu> - 2017-03-20 06:34 -0700
  Re: Low Threshold MOSFET Clive Arthur <cliveta@nowaytoday.co.uk> - 2017-03-20 13:08 +0000
  Re: Low Threshold MOSFET Tim Wescott <tim@seemywebsite.com> - 2017-03-20 11:03 -0500
  Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-20 15:59 -0700
    Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-20 22:29 -0400
      Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-21 08:00 -0700
  Re: Low Threshold MOSFET "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-21 01:02 -0500
  Re: Low Threshold MOSFET kevin93 <kevin@whitedigs.com> - 2017-03-22 07:15 -0700
  Re: Low Threshold MOSFET John S <Sophi.2@invalid.org> - 2017-03-22 09:36 -0500
    Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-22 14:03 -0400
      Re: Low Threshold MOSFET John S <Sophi.2@invalid.org> - 2017-03-22 13:43 -0500
        Re: Low Threshold MOSFET Winfield Hill <hill@rowland.harvard.edu> - 2017-03-22 12:01 -0700
        Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-22 15:14 -0400
        Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-22 15:18 -0400
          Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-23 10:29 -0700
        Re: Low Threshold MOSFET John S <Sophi.2@invalid.org> - 2017-03-22 15:07 -0500
      Re: Low Threshold MOSFET tabbypurr@gmail.com - 2017-03-23 20:45 -0700
        Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-24 00:43 -0400
          Re: Low Threshold MOSFET Robert Baer <robertbaer@localnet.com> - 2017-03-23 22:24 -0800
          Re: Low Threshold MOSFET tabbypurr@gmail.com - 2017-03-24 03:59 -0700
            Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-24 12:50 -0400
              Re: Low Threshold MOSFET tabbypurr@gmail.com - 2017-03-25 00:51 -0700
                Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-25 09:47 -0700
                Re: Low Threshold MOSFET rickman <gnuarm@gmail.com> - 2017-03-25 13:54 -0400
      Re: Low Threshold MOSFET Joerg <news@analogconsultants.com> - 2017-03-24 09:37 -0700
  Re: Low Threshold MOSFET Robert Baer <robertbaer@localnet.com> - 2017-03-22 20:40 -0800

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