M39003/01-2860/TR

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Tantalum Capacitors Introduction

Tantalum capacitors are one of the most popular types of capacitors used by circuit designers. Tantalum capacitors are constructed from a tantalum anode material surrounded by a solid electrolyte-type dielectric such as manganese dioxide. They are known for their high capacitance per volume, low equivalent series resistance (ESR), good stability, reliability, and excellent temperature characteristics. This makes them ideal for use in a wide variety of electronic devices including embedded systems, digital audio amplifiers, linear regulators, and motor control systems.

M39003/01-2860/TR Application Field and Working Principle

The M39003/01-2860/TR is a miniature tantalum surface-mount capacitor with a capacitance range from 10µF to 330µF and rated voltages up to 25V. This device is designed for use in low-voltage, high-current applications such as power supplies, clock circuits, high-speed digital switching, and processor-level filtering. The capacitance value, rated voltage, series type, and configuration of this device are printed on the front side of its body, which is marked with an identifying label.

Tantalum capacitors work by using a dielectric formed by a conductive oxide layer on the surface of the tantalum anode. The dielectric is then sandwiched between two terminal plates. A voltage applied across the two terminals causes the electric field to create an electron charge on the oxide layer, which in turn creates a capacitance and stores energy. The operating temperature of the tantalum device is typically between -55°C and +85°C, and the capacitance characteristics are stable over a given temperature range.

Conclusion

The M39003/01-2860/TR tantalum capacitor is a miniature surface-mount device designed for use in low-voltage, high-current applications such as power supplies and clock circuits. It provides high capacitance per volume, low ESR, good stability, reliability, and excellent temperature characteristics. The working principle of the device is based on the dielectric properties of a solid electrolyte-type dielectric such as manganese dioxide, which sandwiched between two terminal plates can store energy. Thanks to these features, tantalum capacitors are widely used in a variety of embedded systems, digital audio amplifiers, linear regulators, and motor control systems.

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