Milli-Cap® Ideal SMT Capacitors Dielectric Laboratories / Knowles Milli-Cap® Capacitors is an ideal low-loss, space-saving solution. The series matches typical 50Ω line widths and with more usable bandwidth. Features include low loss, high Q, very low series inductance, and ultra-high series resonance. Milli-Cap® capacitors are available in space-saving 0201, 0402, and 0602 footprints.