199D337X96R3F6B1E3

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Tantalum Capacitors

Tantalum capacitors are small capacitor devices used in almost all types of electronic devices and equipment. They are commonly used in decoupling, bypassing, and other low current applications, due to their low cost, size, and electrical characteristics.

Tantalum capacitors’ basic construction consists of an anode made of sintered powdered tantalum, a thin dielectric layer of tantalum pentoxide, an organic solvent cathode, and a few extra layers for an outer body, such as a mica plate or an epoxy coating. They are constructed in a way that allows them to cope with extreme temperatures and high current pulses.

The model code 199D337X96R3F6B1E3 is a popular type of tantalum capacitor. The first two letters, "19", refer to the voltage rating. The third letter, "D", means that the anode is made of sintered, untinned tantalum powder. The fourth letter, "X", means the device has a PEN (polyethylene napthalate) dielectric. The last four digits indicate the device\'s capacitance in picofarads (i.e. 96 is 960 pF). The two letters "R3" refer to the ESR at the rated frequency. Finally, the two letters "F6" refer to the curve fitting factor of the system, making the device fit between 6 MHz and 30 MHz.

The primary application of tantalum capacitors is high frequency decoupling and by-passing. Decoupling is a passive electrical technique used to reduce the internal noises in a device, and to avoid the interference of current spikes by providing a steady flow of power during current changes. To achieve this, tantalum capacitors must be connected to the power supply and the ground at the same time. This is also known as the low-impedance path or the bypass circuit.

The working principle of the tantalum capacitor is based on the ability of the capacitor\'s dielectric (the material between the two electrically charged plates) to store electrical energy. When an electric current is applied to the two plates, the dielectric accumulates an electrical charge proportional to the voltage. Thus, the device acts as a storage for the charge, and can provide a constant source of power to the circuit.

Tantalum capacitors are used in a wide range of industries, from aerospace and medical, to consumer electronics. They are particularly popular in digital circuits, due to their low ESR and small size; making them ideal for a variety of applications.

In conclusion, the model code 199D337X96R3F6B1E3 is a widely used type of tantalum capacitor. It is used primarily for decoupling and bypassing applications, due to its low cost, small size, and electrical characteristics. Its working principle is based on the ability of the dielectric to store electrical energy. Thanks to its low ESR and small size, tantalum capacitors are excellent for digital circuits and other applications in various industries.

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