DFN Dual Flat Thin Film Resistor Networks Vishay DFN and DFN Divider Dual Flat No Lead Molded Precision Thin Film Surface Mount Resistor Networks feature isolated thin film precision resistors mounted in a 0.8mm pitch 4mm x 4mm dual flat no lead package. The networks feature 50% savings in board space over traditional SOIC packages. Vishay DFN Dual Flat Thin Film Resistor Networks are ideally suited for applications of unity gain operational amplifiers that require close TC tracking and tight ratio tolerances over temperature. DFN Divider resistors offer a wide ratio range.