Hi Pierre,
We have been shipping KPA100's with the 2SC2879A transistors (with the
Al Oxide die insulator) for a while now. Looks like we need to update
that section of our manual! Thanks for the heads up.
73, Eric WA6HHQ
Elecraft
Pierre Desjardins wrote:
Hi to all,
As mentionned in the KPA100 manual, Q1-Q2 2SC2879 contain Beryllia
Ceramic. Do not break, cut, or crush them, since the dust or vapor can
be dangerous.
However, there is a new design, the 2SC2879A. The difference between
the 2SC2879 and the 2SC2879A is that the "A" version is RoHS
compliant, and uses an Aluminum Oxide insulator (color gray) on the
header vs. Berillium Oxide (color white).
Hope for all that Elecraft will use the new ''A'' design in future
upgrades...
72/73 de Pierre VE2PID
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