Deformable fin heat exchanger

A heat exchanger comprising a base adapted to be conductively contacting a load, and a plurality of deformable fins connected to a surface of the base with the plurality of deformable fins adapted to be exposed to a coolant flow over the surface, at least some of the deformable fins having a free portion configured to move away from the surface of the base as a function of a local temperature increase of the base through conductive contact with the load, the deformable fins distributed on the surface of the base to be exposed to a coolant flowing over the surface of the base, wherein a heat exchange through the deformable fins being non-uniform across the surface of the base, wherein the plurality of deformable fins includes at least a first type of deformable fins and a second type of deformable fins, the first type and the second type differing in orientation of connection with the surface of the base, the orientation of connection being defined by a junction between the deformable fins and the base, the orientation of connection of the first type of deformable fins being transverse to the orientation of connection of the second type of deformable fins.