Transcription of AC Ripple Current Calculations - Vishay Intertechnology
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Technical questions, contact: Number: 4003122 Revision: 03-Apr-06AC Ripple Current CalculationsVishay SpragueApplication Notes AC Ripple Current Calculations solid Tantalum CapacitorsINTRODUCTIONS olid tantalum capacitors are preferred for filteringapplications in small power supplies and DC/DC convertersin a broad range of military, industrial and commercialsystems including computers, telecommunications,instruments and controls and automotive equipment. Solidtantalum capacitors are preferred for their high reliability,long life, extended shelf life, exceptional stability withtemperature and their small size.
The solid tantalum capacitor consists of a sintered tantalum pellet, the anode, on which a tantalum oxide dielectric is formed by electrolysis. The pellet is then coated with manganese dioxide for the cathode. Positive and negative terminations are attached to this pellet and the assembly may be conformally-coated or molded.
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