M39003/01-5114/TR

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Tantalum capacitors are small and compact passive components used in many electronic circuits. There are many kinds of tantalum capacitors available on the market, such as the M39003/01-5114/TR, which is a high temperature automotive-grade solid tantalum capacitor. This article focuses on the application field and working principle of the M39003/01-5114/TR.

Applications

The M39003/01-5114/TR is primarily used in automotive systems. It is a general purpose capacitor designed for operation in a wide temperature range (– 55 to +150 °C). It can be used in a variety of applications, such as snubber circuits in automotive power systems, engine control modules, power supplies, and more. The M39003/01-5114/TR has a wide selection of capacitance values ranging from 0.22μF to 330μF, with a standard DC voltage rating of 16V and a maximum DC voltage rating of 25V. This makes it suitable for use in both high and low voltage automotive applications.

Construction

The M39003/01-5114/TR is a solid tantalum capacitor. It consists of a molded cast solid tantalum core with two layers of tantalum pentoxide (Ta2O5), a dielectric layer and two layers of metallic conductors. The conductors are usually made of MnO2, a chemically stable manganese dioxide material. The core is electrically isolated from the conductors by the dielectric layer, making it essential for the capacitor\'s functionality. The flexible electrodes are connected to the metal terminations and welded or soldered to meet the application requirements. The M39003/01-5114/TR is a surface-mounted device (SMD) component, making it suitable for small size integration. The capacitance of the M39003/01-5114/TR is marked on the surface which is easily identifiable.

Working principle

The M39003/01-5114/TR is a polarized capacitor, meaning it must be correctly oriented in a circuit to operate properly. When it is correctly oriented, a small electric field will be created over the dielectric material, and this electric field will store energy. This energy storage is what gives the capacitor its ability to control voltage, current and time. When DC voltage is applied across the capacitor’s terminals, charges are transferred through the dielectric material and stored on the electrodes. This allows the capacitor to act as a voltage and current regulator within the circuit. The voltage rating of the capacitor indicates the maximum amount of voltage which can be applied.

The capacitance of the M39003/01-5114/TR is determined by the area of the electrodes, the distance between them, and the permittivity (dielectric constant) of the material used to separate the electrodes (dielectric). The larger the capacitance of the capacitor, the higher the potential energy it can store. The operating temperature for the M39003/01-5114/TR is – 55 to +150 °C, which allows the capacitor to perform reliably in a wide range of temperatures.

Conclusion

The M39003/01-5114/TR is a high temperature automotive-grade solid tantalum capacitor and is primarily used in automotive systems. It has a wide selection of capacitance values ranging from 0.22μF to 330μF, with a standard DC voltage rating of 16V and a maximum DC voltage rating of 25V. It is a polarized capacitor and relies on the electric field created over the dielectric material to store energy and act as a voltage and current regulator. The M39003/01-5114/TR is a surface-mounted device, its capacitance is marked on the surface for easy identification, and its operating temperature is -55 to +150°C.

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