2SJ109 on Ebay. Are they real? - diyAudio
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Old 7th February 2012, 10:56 PM   #1
pixpop is offline pixpop  United States
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Default 2SJ109 on Ebay. Are they real?

There are many 2SJ109 dual Jfets listed on Ebay. Does anyone know whether they are legit, or fake? Anyone had a good experience with them?
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Old 7th February 2012, 11:23 PM   #2
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I would never buy components off ebay, I find I can often get them cheaper from reputable dealers and i know they are coming form a reliable source.
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Old 8th February 2012, 03:57 AM   #3
pixpop is offline pixpop  United States
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Cool. Can you point to a reputable dealer who can supply 2SJ109 Dual JFETs ?
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Old 8th February 2012, 04:20 AM   #4
qusp is offline qusp  Australia
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many reputable dealers have been stung with buying fakes too
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Old 8th February 2012, 10:48 AM   #5
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Buy from a reputable dealer, check them carefully when they arrive, return them if they are fakes. Assume they are fakes until you satisfy yourself that they are not. It seems like a bit of a gamble but that's life. I recently bought some Toshiba FETs from Cricklewood Electronics - CCTV. CCTV Equipment. CCTV Systems. Digital CCTV Cameras which turned out to be good-uns but I am not familiar with NA suppliers.
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Old 13th February 2012, 04:36 PM   #6
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Cricklewood haven't got 2SJ109s but Littlediode do have them - at a hell of a price though.
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Old 13th February 2012, 05:01 PM   #7
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Have you considered using two matched 2SJ74s in a dual heatsink clip.

Last edited by KatieandDad; 13th February 2012 at 05:04 PM.
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Old 24th March 2012, 03:23 AM   #8
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Default 2sj209

Hi all:

A friend of mine who is retired (electronics technician) has a few 2sj109 in stock for sale.
Is there any easy way to verify if are real ones with a multimeter and maybe a 9V battery?
Thank You!!!
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