Non-inductive winding with metallized polypropylene film,special metal spray,Mylar tape encapsulation, flame retardant epoxy potting,tin plated copper wire, copper sheet or soft wire leads. Excellent high-frequency ripple absorption ability,high dv/dt,good frequency characteristic,low stray inductance. Widely used in inverter system for switch module (IGBT)protection, peak voltage clamp, etc.