T520B107M003ASE070

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Tantalum-Polymer capacitors, represented by the part number T520B107M003ASE070, are a popular form of electrolytic capacitor found in many electrical and electronic devices. They are used to store electrical energy, filter signals, and provide a constant voltage source.Tantalum-polymer capacitors use two conducting plates as the terminals for a storage unit. These two plates are separated by a dielectric layer consisting of a thin film of polymer electrolyte sandwiched between two thin layers of tantalum. This combination of materials provides excellent capacitance values in a small package.In electrical systems, capacitors must be able to handle both large and small signals. For larger signals, capacitors should be able to safely handle the signal level while still maintaining low losses. For small signals, capacitors must have a high quality factor (Q) and low ESR (equivalent series resistance). Tantalum-polymer capacitors are often used due to their excellent electrical characteristics, which include low ESR, high Q values, high breakdown voltages, and low leakage currents. In addition, tantalum-polymer capacitors have several inherent advantages over other types of capacitors, such as ceramic. These include their smaller size, lower cost, and low temperature coefficient, which allows tantalum-polymer capacitors to offer stable performance over a wide temperature range.Tantalum-polymer capacitors typically have a capacitance value range of 10-470 uF with a working voltage range of 4V-50V. Depending on the application, this range can be extended with higher voltage ratings up to 100V.The working principle of a tantalum-polymer capacitor is based on the electrochemical principle of an electrolytic capacitor. The anode of the capacitor is typically made of tantalum. This material has very good properties for capacitors, including high capacitance and high voltage ratings, which are maintained even at high temperatures. It also offers superior durability and long life expectancy.The two plates of the capacitor are separated by the dielectric layer containing the polymer electrolyte. When a voltage is applied to the capacitor, the electrolyte will absorb the charge, forming an electrical field between the two plates. This produces the desired capacitance between the two plates.The other main components of a tantalum-polymer capacitor are the sealing materials which are used to ensure that the dielectric layer is not damaged or distorted by external forces. This insulation also prevents any electrolyte leakage, extending the life and performance of the capacitor. Finally, the capacitor is typically filled with a non-conductive liquid that provides cooling and stability of the electric field.Tantalum-polymer capacitors have a wide range of applications, including filters and signal conditioning, bypass capacitors, pulse capacitors, energy storage, power supply smoothing, circuit decoupling, high-frequency snubbing and more. These components are used in a variety of power-related applications, including servers and other computer systems, telecommunications equipment, medical equipment, automotive and aerospace systems, and consumer electronics.Tantalum-polymer capacitors offer excellent performance and durability, are capable of handling large voltage ranges, and require minimal maintenance over their lifetime. This makes them an ideal choice for a variety of power-related applications where reliability and performance are paramount.

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