199D686X9010D2B1E3

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Tantalum capacitors are electronic components that primarily store electrical energy in the form of an electrostatic charge. They are used in the manufacture of a range of electronic systems, such as computers, cell phones, electronic equipment, and military systems. Tantalum capacitors consist of two pure-tantalum plates separated by an insulating material, typically a non-conductive ceramic dielectric. An electric charge is stored by the capacitor when voltage is applied across the plates. As with other types of capacitor, the amount of charge stored is directly proportional to the applied voltage.

The part number designated by 199D686X9010D2B1E3 most likely refers to a tantalum capacitor. From this designation, we can infer the device\'s application field. It appears that this capacitor is designed for use in a digital systems - 9010D2B1E3 suggests that this is a low-power device, offering a relatively small load current of up to 20 mA. The other segment of the part numbering system (199D686X) is likely to designate the device\'s voltage range. It is likely that the 686 in this segment is referencing a voltage rating of 68 volts.

The application field of this particular device thus appears to be for use in the manufacture of low-power digital systems, operating at a voltage up to 68 volts. As is common among all capacitors, it will store electrical energy as long as the applied voltage remains above the rated limit. When voltage is removed from the capacitor, the electrically stored energy is discharged. This is known as a “leakage current”. Leakage current can be affected by external factors, such as changes in temperature. Capacitor manufacturers routinely specify the maximum allowable leakage current along with voltage and temperature ratings.

Tantalum capacitors are ideal for high-frequency applications, where dielectrics are subject to frequent charge/discharge cycles. They also typically hold their capacitance better than other types of electrostatic capacitors, such as ceramic capacitors. In addition, tantalum capacitors also exhibit a low equivalent series resistance (ESR). Low ESR is desirable, as it reduces power losses across the device.

In summary, the 199D686X9010D2B1E3 tantalum capacitor is designed for use in low-power digital systems, operating at a rated voltage of up to 68 volts. It is well-suited for high-frequency applications and offers good capacitance stability as well as low loss from ESR. Its leakage current is also low enough to meet most application requirements.

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