Knowles offers wide range of DLI decoupling, RF bypass and DC blocking capacitors

January 09, 2018 // By Jean-Pierre Joosting
Bar Cap® and Gap Cap® capacitors for decoupling, RF bypassing and DC blocking applications are part of the renowned DLI brand from Knowles – one of the oldest and most respected names in single layer, ceramic capacitor technology.

Multiple decoupling/blocking capacitors configured in a single array, Bar Caps® are specifically designed for MMIC circuits and RF bypassing that require multiple capacitor applications, such as multiple decoupling or RF bypassing networks. Due to their High Q and low inductance, these multiple capacitor array devices have become an integral circuit component. Bar Caps® can be integrated into an IC package to reduce bond wire lengths and leading to improved performance and simplified assembly. Key benefits include reduced complexity and lower production costs. The capacitors operate at frequencies up to 30 GHz and typically find applicationsd in DC blocking, RF bypassing, decoupling, and GaAs ICs. They are supplied with 100μm gold metallization, with a Ni barrier layer, for wire bonding. Standard and custom package sizes are available to provide different capacitance values.

Gap Caps® are series configured precision capacitors for microwave applications such as DC blocking and RF bypassing. Featuring low insertion loss and high resonant frequencies, these capaciotors are available from 0.2 pF to 800 pF, operating at frequencies up to 30 GHz. This product's unique recessed metallization configuration eliminates the need for wire bonding up to 100 GHz and minimizes the potential of shorting during epoxy or solder attachment – resulting in reduced performance variations. Typical applications include DC blocking, RF bypassing, filtering, tuning and coupling. Customized devices are available alongside the catalog product.

With one of the largest in-house portfolios of dielectric materials, custom engineered products are available for unique customer requirements.


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