Specialist capacitors for microwave and HF applications

Specialist capacitors for microwave and HF applications

New Products |
By Graham Prophet

Milli-Cap is a range of parts constructed to behave as an Ideal Capacitor: a single piece unit with insensitive orientation. The capacitors match typical 50Ω line widths with very low series inductance and ultra-high series resonance. They are low loss, High Q parts available in 0201, 0402 and 0602 footprints. Capacitance range covers 30 pF – 220 nF over the ceramic dielectrics X5R: -55°C to +85°C (TCC ± 15%) and X7R: -55°C to +125°C (TCC ± 15%).


Opti-Cap Ultra Broadband DC blocking capacitors exhibit low loss frequency stability over temperature with very low series inductance. They provide resonance-free DC blocking to over 40 GHz and are available in 0201, 0402 and 0602 footprints for SMT by solder or epoxy bonding.


Other additions include high temperature Multilayer Ceramic Capacitors in 0402, 0603 and 0805 sizes with ultra-Low ESR and High Q characteristics, under Syfer and Novacap brands, together with DLI branded 175°C MLC devices in UL and AH High Q Porcelain dielectrics.


All of these line extensions will be shown at the forthcoming European Microwave Week, on Stand 178.


Knowles Capacitors,



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