TPSV477M010R0040

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Tantalum capacitors are widely used in many electronic and electrical device circuits due to its small size, low cost and long life. The TPSV477M010R0040 is one of the types of tantalum capacitors which are widely used in various applications.

The TPSV477M010R0040 is a non-solid electrolytic capacitor that has an outer case of glass diode filled with an oxide layer and doped with a solid tantalum electrolyte. It has a standard EIA size of 7.3mm x 5.08mm, with a maximum case height of 7.5mm. The voltage rating of this series is 4.7V and its rated capacitance is 10uF. The TPSV477M010R0040 has an ESR (Equivalent Series Resistance) of about 0.6Ω, a ±20% tolerance, a temperature coefficient of +200ppm/K, and a self-resonance frequency of 2MHz.

TPSV477M010R0040 capacitors are used in a variety of applications, such as audio equipment, cell phones, computers, automotive equipment, medical equipment and power supplies. One of the primary uses of this type of capacitor is in switching power supplies, where it is used to provide a rapid capacitive charge and discharge. In this application, the capacitor’s high temperature tolerance and low ESR provide increased reliability in high power circuits.

Other than power supplies, TPSV477M010R0040 capacitors are used in noise filtering and signal conditioning circuits, frequency selection and power factor correction converters. In addition, they are also used in clock circuits, converter circuits and other digital circuitry. The capacitors are also useful in some applications of RF circuits, such as impedance matching. Furthermore, because of the low ESR and temperature coefficient, this series is also useful in decoupling and bypass circuits.

The working principle of the TPSV477M010R0040 capacitor is based on the process of charging and discharging through an oxide layer. The capacitor is composed of two metal leads, a tantalum core, an oxide layer and a dielectric layer. When the voltage applied to the capacitor is above the breakdown voltage of the oxide layer, a current will flow through the oxide layer. This current will cause the oxide layer to become positively charged, thus creating an electric field in the oxide layer which will attract the free electrons and drive them towards the metal leads.

Once the voltage is reduced to the breakdown voltage of the oxide layer, the free electrons will stop moving, and the capacitor will be charged. The current flow through the capacitor is now reduced, and the capacitance can be read from a voltage meter connected to the terminals of the capacitor. This process of charging and discharging happens continuously until the capacitor is fully charged or discharged.

In conclusion, the TPSV477M010R0040 capacitor is a widely used component and has numerous applications in a variety of electronics and electrical circuits. Its small size and low cost make it an ideal choice for supporting high power circuits, noise filtering, signal conditioning, and other applications. Its unique working principle of charging and discharging through an oxide layer enables the capacitor to provide a safe and reliable electrical connection.

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