An RF modeler makes it easy to predict in-circuit S-parameters for mica capacitors used at microwave frequencies. Sam G. Parler, Jr., P.E. | Cornell Dubilier The choice of capacitor can particularly impact the performance of circuits handling RF and microwave frequencies. Specifying passive components operating in this region can seem more like art than science. […]
Stacked polyester capacitors meet 85°C/85 percent RH requirements
Cornell Dubilier announces availability of its Type RA multilayered film capacitors for 125 °C operation. Type RA capacitors are constructed using stacked metallized polyester protected with an impregnated sealant, which eliminates the need for an external case. This package style offers the highest energy density technology available for switching power supplies, DC to DC converters […]
Capacitors in renewable energy
It pays to know the distinguishing features of electrolytic, film, and super capacitors when planning applications where energy efficiency is important. MORRIE GOLDMAN, ILLINOIS CAPACITOR INC. RENEWABLE ENERGY SYSTEMS all have a common need for high-efficiency power circuits. Whether the original source of energy is light, heat, or mechanical motion, ancillary circuitry will probably either […]
Electrolytic capacitors go svelte
The traditional cylindrical packages that have characterized electrolytic caps are giving way to flat packs optimized for small spaces. Mario Dipietro, Flatpack Div., Cornell Dubilier Electronics, Inc. The first reported developments of electrolytic “condensers” were in the 1880s, with significant advances in the mid 1920s. In 1948, etched-foil technology developed by Illinois Condenser (today’s Illinois […]
Electrolytic capacitors targets mission-critical circuitry
Cornell Dubilier Electronics, Inc. (CDE) has introduced a new line of axial-lead aluminum electrolytic capacitors for applications which require very high-performance under all operating conditions. The AXLH is a uniquely-designed axial-lead electrolytic that has the performance characteristics required for mission-critical circuitry. Continuous ripple current is rated at up to 28 amps RMS. With a load […]
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