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stormsonic 25th November 2009 06:44 PM

2SK389V...real or fakes?
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Measured Idss (9V battery) = between 14 and 16 mA
Are they good fakes or real? Need more pics to compare letters

h_a 26th November 2009 03:22 PM

Well if they test as jfets and the difference in IDSS between the dual pairs is within spec, I would not worry. This is a proprietary Toshiba-package, so rather hard to forge. Most fakes are either not in this package (the famous dual jfet with 3 legs) or they are not jfets at all as in that case the bipolar 2SC2240 was relabeled. But then it does not test as jfet.

Have fun, Hannes

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