Re: [Elecraft] Silvery Thermal Pads

2006-11-17 Thread Vic K2VCO
Roy Morris wrote: When I removed the KPA100 PC board to do the KPA100 Upgrade the thermal pads of Q1 and Q2 stuck to the transistors. I noticed that the bottom of these pads were silvery where they joined the heat sink. Some of the black part of the pads remained with the heat sink. I will rep

[Elecraft] Silvery Thermal Pads

2006-11-17 Thread Roy Morris
When I removed the KPA100 PC board to do the KPA100 Upgrade the thermal pads of Q1 and Q2 stuck to the transistors. I noticed that the bottom of these pads were silvery where they joined the heat sink. Some of the black part of the pads remained with the heat sink. I will replace these therma