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fairchild J109 = Toshiba 2SK370?
fairchild J109 = Toshiba 2SK370?
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Old 27th June 2007, 04:44 AM   #1
jarthel is offline jarthel  Australia
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Default fairchild J109 = Toshiba 2SK370?

can someone please confirm.

this is what mouser has said: "J109 appears as a cross reference match for 2sk370. "

Thank you.
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Old 27th June 2007, 06:51 AM   #2
MaxS is offline MaxS  France
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Join Date: Mar 2006
Location: France

To my mind, J109 are a switch and in any case a kind of audio-able transistor. Sorry to trouble you.

Ca marche pas ! Tu ne l' as pas branché non plus ....
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Old 27th June 2007, 04:51 PM   #3
mlloyd1 is offline mlloyd1  United States
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Location: Northern Iliinois
Default J109 = 2SK370? in a word, NO!

check the datasheets.
these parts are pretty different, only similarity is both are njfets.
there are some circumstances where one could successfully use J109 instead of 2SK370, but not as an identical replacement.

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