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Old 18th March 2012, 02:51 AM   #1
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Default What can I use instead of k170/j74?

k170/j74 discontinued,what can instead it?
k366/107 or k246/j103 or k389/jxx
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Old 27th May 2012, 06:41 AM   #2
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hope some body ...
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Old 27th May 2012, 07:00 AM   #3
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I think Zhoufang is still selling 2sk170/2sj74. Otherwise I would probably use 2sk246 2sj 103
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Old 27th May 2012, 07:30 AM   #4
generg is offline generg  Germany
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Quote:
Originally Posted by lilinyi View Post
k170/j74 discontinued,what can instead it?
k366/107 or k246/j103 or k389/jxx
Buy them here.......

Resistors, Capacitors Artikel im AudioFET Shop bei eBay!
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Old 27th May 2012, 08:37 AM   #5
Marra is offline Marra  United Kingdom
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Check with Spencer.

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Old 27th May 2012, 10:57 AM   #6
generg is offline generg  Germany
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Both people are very nice......!
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Old 27th May 2012, 03:24 PM   #7
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Originally Posted by Melon Head View Post
I think Zhoufang is still selling 2sk170/2sj74. Otherwise I would probably use 2sk246 2sj 103
I only have K170 on offer for now, no J74.
2SK246 and 2SJ103 are EOLed, in fact all Toshiba JFET were EOL last year except for a few SMT N-channel ones.
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Old 28th May 2012, 09:08 AM   #8
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i know spencer have them got 4 pairs last week from him
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Old 28th May 2012, 09:28 AM   #9
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What the hell is going on with Toshiba.
They don't seem to be interested in Audio anymore at least from the point of view of manufacturing mosfets and jfets.
Luckily I have a tonne of 2sk170/2sj74.
And for output I have a tonne of IRFP240/9240, and a tonne of lateral mosfets.
Would have been nice to try out the toshiba devices though.
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Old 28th May 2012, 09:42 AM   #10
AuroraB is offline AuroraB  Norway
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Quote:
Originally Posted by Melon Head View Post
What the hell is going on with Toshiba.
They don't seem to be interested in Audio anymore at least from the point of view of manufacturing mosfets and jfets.
Just not enough commercial interest in discretes these days. Commercial manufacturing is all about integration and IC packaging.....
our hobby musings bears no relevance in that market.... sigh....
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