In one embodiment, a stimulation system for generating and delivering electrical stimulation pulse to tissue of a patient, comprises: a pulse generator for generating electrical pulses, the pulse generator comprising a housing portion and a header portion with feedthroughs extending from the housing portion into the header portion; and a stimulation lead comprising a flex film component enclosed in a lead body of insulative material, the flex film component including a plurality of electrically isolated conductors extending along a substantial length of the stimulation lead, the stimulation lead further comprising a plurality of electrodes electrically coupled to the conductors, the flex film component comprising a proximal portion that is exposed out of the insulative material of the lead body and includes a plurality of terminal bond bands, the terminal bond bands being electrically coupled to the conductors; and wherein the header portion of the pulse generator comprises a lid component to compress the terminal bond pads of the stimulation lead into electrical contact with conductors of feedthroughs of the pulse generator.