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rtill 12th March 2009 04:19 PM

2sk1058 and 2sj162 subs
what are good subs for these mosfets?

Would FQA7N80C be ok for the 2sk1058 and would FQA9P25 be ok for the 2sj162?

jackinnj 12th March 2009 05:23 PM

Not a substitute.

CBS240 12th March 2009 05:34 PM

2SK1058 & 2SJ162 are lateral mosfets. The Fairchild Q-fets are most similar to hex-type devices and are vertical mosfets. Look at the transfer characteristic graph of both types and you will see a big difference of where the zero temperature coefficient operating point is located. This, and the fact that V-th of the Q-fets is a couple of volts higher rules them out as viable substitutes.

rtill 12th March 2009 07:39 PM

so does anyone know of any subs?

jackinnj 12th March 2009 08:44 PM

Exicon's are sold by Profusion in the U.K.

You can get the Renesas from MCM Electronics -- they say they're Hitachi -- perhaps they found some old stock.

Cauhtemoc 13th March 2009 03:19 PM

The 2SK1058 and 2SJ162 are still actively manufactured.

fjr 13th March 2009 04:47 PM

j162 and k1058 are already subs! (of k135/j50)

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