| To: | <amps@contesting.com> |
|---|---|
| Subject: | Re: [Amps] New NXP BLF578XR 1200W LDMOS FET is "indestructible" |
| From: | "Carl Clawson" <carlclawson@frontier.com> |
| Date: | Fri, 22 Jul 2011 20:42:01 -0700 |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
When it comes to cooling, don't forget that one of the huge differences between tubes and transistors is that tubes run a lot hotter. More (delta T) => more heat flow. For a give amount of dissipation, the transistor needs more heat sink surface area and/or more air flow. 73 -- Carl WS7L _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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