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From: Grant on 30 Jul 2010 00:52 On Thu, 29 Jul 2010 19:55:49 -0700, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: >On Thu, 29 Jul 2010 13:12:53 -0700 (PDT), George Herold ><gherold(a)teachspin.com> wrote: .... >>That looks interesting, Can you give me a Welwyn part number. (I was >>on their website but they have a lot of resistors.) >> >>George H. > >The one we actually use in production is WDBR2-12RKT, 12 ohms, 200 >watts. It looks like the one in my pic. What's slick is that the >springy steel substrate is curled so that it really hugs the heat sink >when you torque it down. They seem to handle high pulsed power very >well. We used them to replace mil-type metal-case wirewounds that were >dying from cycling fatigue. > >John Good to know, thanks. Grant. |