Electronics Forum: ep265 (1)

NXP QFN Solderability Wetting Problems, Kester

Electronics Forum | Wed Aug 09 20:03:22 EDT 2017 | ttheis

We're having problems with Kester pastes (NP545 pb free and EP265 60/40 no clean pastes.) All of our other components reflow just fine with either paste, but for some reason this QFN chip doesn't wick to the QFN's pads well. It seems like some type


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