An electrosurgery handpiece/pencil with smoke evacuation having features that support use at high frequencies without insulation breakdown and that provides increased efficiency of smoke evacuation during cutting and/or coagulation. The present invention is directed to an electrosurgery handpiece/pencil with smoke evacuation that includes a hollow tubular handpiece member having a first end and a second end, a planar platform located near a top of the hollow tubular handpiece member, an electrode positioned within the first end of the hollow tubular handpiece member, a circuit board seated on the planar platform where the circuit board is contained within a heat shrinkable plastic sleeve that has been heat shrunk to conform to the circuit board.