[Elecraft] KLPA3A power transistor thermal stress concerns

Don Wilhelm donwilh at embarqmail.com
Tue Oct 24 21:23:03 EDT 2017


Nick,

Yes, I believe that should be no problem.

73,
Don W3FPR

On 10/24/2017 8:57 PM, Nick - VE3EY wrote:
> Hi Don
>
> Good question.   I happen to have a Infrared Thermometer.   After 
> bashing at it for about 20 minutes, the temperature in the vicinity of 
> two transistors (as measured against the bottom cover) peaked at 50 
> degrees Celsius (122 F) but it did not go beyond that.  I ran the rig 
> at 10 watts on 10 meters which is where most of the drive power is 
> needed.
>
> I suppose that should be OK than.
>
> 73 and thanks for your feedback,
>



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