Thanks for the heads-up Allison
On Thu, 19 Sept 2024 at 15:54, ajparent1/kb1gmx via groups.io
<kb1gmx@...> wrote:
Ravi,
Do not go above 28V unless you have lots of spares.
But so you know I've seen at 20V 25W during testing and for fun
and attempted destruction 28V where I got 40W easily.
NOTE: you need about 4X the heatsink area or more to stay
up there. Adding a copper heat spreader helps. at 24V when
no signal TX 6W of heat (due to bias current). That high the
BS170s are working at fairly high voltage.
--
Allison
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Please use the forum, offline and private will go to bit bucket.
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I'm here to add more value to the world than I'm using up.