Pulse discharge MLC capacitors for energy storage applications

27th June 2017
Posted By : Alice Matthews
Pulse discharge MLC capacitors for energy storage applications

Dedicated pulse discharge Multilayer Ceramic chip capacitors for munitions, ordinance, and oil field exploration and perforation are available from Knowles Capacitors brand, Novacap. These capacitors offer the reliability afforded by ceramic multilayer fabrication using advanced ceramic and electrode formulations, with thin, dense and precise dielectric layers to satisfy difficult requirements with what the company claims to be unsurpassed quality

Energy density exceeds that of conventional Class 1 materials and offers short duration pulse delivery at temperatures to 200ºC.

These high temperature, high energy, capacitors are manufactured with a dielectric formulation designed for reliable operation under single or repetitive high energy, multiple pulse, firing into typical EFI and LEEFI circuits where resistive loads are in the 0.10-0.25Ω range. Discharge pulse width, which is typically less than 100ns, will vary with load conditions which are influenced by inductive and resistive load components.

With low ESR and low signal distortion, additional applications at high temperature include power supply filtering, energy storage and coupling/decoupling. All parts are 100% pulse screen tested and are evaluated at temperature extremes up to 200ºC consistent with munitions and oil field exploration/seismic detonation conditions. As an added safety feature, these pulse energy capacitors can be supplied with integral bleed resistors at various resistance values.

Offered in chip sizes 1825 to 7565, other sizes, voltages and capacitance ratings are available in single, series and series/parallel arrangements for custom applications and provide exceptional discharge energy at elevated voltages. A 500MΩ safety bleed resistor is standard but other values are available. Novacap’s design engineers are on hand to help design the proper solution to meet specific requirements.


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