T491A105M016AT7280

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T491A105M016AT7280, commonly known as “tantalum capacitors”, are polarized, surface-mounted electrolytic capacitors with a great range of characteristics and applications.

Tantalum capacitors are typically designed and manufactured for high stability, low leakage current and high capacitance. They are a type of electrolytic capacitor that utilizes tantalum metal for the anode and manganese dioxide for the electrolyte. The main body of the capacitor is actually the anode, which is surrounded by an electrolyte solution which provides the entire circuit with a stable electrical connection.

T491A105M016AT7280 produces a much greater capacitance than an electrolytic aluminum capacitor of equal size due to the high electrical conductivity of the tantalum and its higher dielectric constant.

The main application field for T491A105M016AT7280 is for use in applications such as mobile phones and other portable electronic devices, which often need high-efficiency, small size, low cost, high stability and long lifetime. In such cases the tantalum capacitor is used because of its relatively low self-inductance, speed of response and low leakage current which make them ideal for these types of applications.

The working principle of T491A105M016AT7280 is simple. A voltage is applied across the anode and cathode terminals of the tantalum capacitor. When the voltage is higher than the nominal voltage rating, an electrostatic field will appear between the electrodes and the dielectric forcing electrons to move from the anode to the cathode, resulting in the formation of an electric double-layer between the two electrodes. The electric double-layer is the electric field that emits from the anode and is thus how capacitance is produced.

T491A105M016AT7280 possess impressive performance capabilities and are available with various voltage ratings to suit the requirements of various applications. In addition to being used in portable electronics and mobile phones, tantalum capacitors also find use in automotive, GPS, battery chargers, computers and audio equipment.

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