Kemet: Tantalum
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Tantalum capacitors can offer high capacitance in the smallest possible size, low ESR and surge current robust, operating temperature ranges up to 175°C in both surface mount and through hole designs, with non-magnetic capability available on many surface mount products. Applications can include industrial, automotive, defence and space grade, high reliability Commercial Off-the-Shelf (COTS), and applications which require a very low ESR, increased temperature stability or benign failure mode.
KEMET has launched the first T581 polymer tantalum surface-mount capacitors qualified to MIL-PRF-32700/2. The 35V capacitors suit filtering and decoupling in fast-switching DC/DC converters where efficiency is critical in high-reliability military applications. The polymer tantalum technology delivers high volumetric efficiency.
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The T502 Series is a high temperature product that offers optimum performance characteristics in applications with operating temperatures up to 230°C. This series is classified as moisture sensitivity level (MSL) 1 under J STD 020: unlimited floor life time at ≤ 30°C / 85% RH.
Due to the potential use of high melting point solders, KEMET has taken the initiative to package this series in moisture barrier bags with desiccant and a humidity indicator card.
The T502 Series is available today in capacitances of up to 10 microfarads and rated voltage up to 35 volts. Typical applications include decoupling and filtering for very high temperature environments such as measurement-while-drilling (MWD) in down-hole applications.
Providing an attractive combination of performance, capacitance stability at all temperatures and robustness in high temperature applications, these capacitors are well suited for high temperature bypass and decoupling applications or frequency discriminating circuits where stability of capacitance characteristics are critical.
KEMET's Space Grade Series of capacitors are suitable for use by defence/aerospace customers in high reliability space applications. This series meets the requirements of MIL–PRF–55365 as well as MIL–STD–1580. These capacitors incorporate an intensive testing and screening protocol which is customizable depending upon customer's specific needs
The KEMET standard hermetically sealed T110 & T212 (Mil-Prf M39003) Series are targeted for use in high humidity environments. These capacitors are ruggedly built, designed for miniaturized circuitry, and are especially well-suited for coupling, bypass, filtering and RC timing circuits. Both Series exhibits excellent stability.
Typical applications include coupling, bypass, filtering, and RC timing circuits in miniaturized circuitry.
The KEMET T491 Series, designed specifically for today’s highly automated surface mount processes and equipment, is the leading choice for surface mount designs
The low ESR, surge-robust T495 Series is designed for demanding applications that require high surge current and high ripple current capability.
T499 Series is a high-temperature product that offers optimum performance characteristics in applications with operating temperatures up to 175°C.
The T496 Series Commercial Off-The-Shelf (COTS) with a built-in fuse design provides excellent protection from short circuitconditions in applications where damaging high fault currents exist. This series meets the MIL-PRF-55365 requirements and is suitable for use in high reliability applications, incorporating an intensive testing and screening protocol that is customisable depending on specific customer requirements. The T496 COTS Series is available in standard and low ESR.