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Recommended TIM for TO247 package?

Zan_H
Zan_H Wolfspeed Employee - Contributor Level 2

Do we have any recommended TIM for TO247 packages that has good thermal conductive properties / electrically isolating?

Customer tried using typical pink silicon pads Digi key part number BER368-ND however the thermal conductivity is not good.

They then changed to Aluminum Oxide Ceramic part number 4180G-ND. The material has good thermal conductivity however the application is messy and tedious due to the sensitivity of the ceramic pad.

Any suggestion would be appreciated.

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