Polymer Aluminum Electrolytic Capacitors

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Aluminum electrolytic capacitors can be broadly divided into three types, based on the cathode material and the structure. Murata’s aluminum capacitors are all-solid multilayer polymer aluminum capacitors (the ECAS series)(Fig. 1).
Other varieties of aluminum capacitors include can-type wrapped aluminum capacitors that use either an electrolyte or a polymer as the cathode. What sets ECAS series capacitors apart are the high conductivity of the conductive polymer used as the cathode and the multilayer (laminated) structure of the aluminum elements. These make possible the lowest ESR obtainable among electrolytic capacitors.
ECAS series capacitors also achieve large capacitances, and the capacitance remains stable when DC voltage is applied due to the lack of DC bias. Thus, the major features of the ECAS series are low ESR, high capacitance, and stable capacitance.

By adding the ECAS series to its line of multilayer ceramic capacitor (MLCC) products, Murata has further broadened the range of options available to customers.

When undertaking circuit design, do you experience challenging situations such as, “There is a problem, but I can’t identify the cause,” “We needed to redesign the circuit, but it took an excessive number of man-hours accomplish it,” “There is a lot of demand in-house and from customers for thinner products, but it is difficult to meet such expectations,” or “We can’t leave the job to inexperienced circuit designers”?
Using Murata’s ECAS series polymer aluminum electrolytic capacitors can help you solve a variety of issues such as these.

PDF catalog and New part number data sheet relates to a Polymer Aluminum Electrolytic Capacitors is below.