M39003/03-0402

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Tantalum capacitors are widely used in electronic industries due to their high volumetric efficiency, small size, high stability and low self-heating. The M39003/03-0402 type of these capacitors are widely used in a variety of applications, including DC-DC regulators, oscillator circuits and other demanding space-restricted applications.

The M39003/03-0402 is a three-terminal solid tantalum capacitor with a capacitance of 0.047uF. This type of capacitor is built with a solid MnO2 or conductive polymer as the cathode and a sintered tantalum anode containing manganese dioxide. The anode is press-fitted into the tantalum electrolyte and then die-stamped with an oxide coat prior to soldering.

In terms of its working principle, this type of capacitor functions by storing energy through the buildup of an electrostatic charge, created by an increase in electric energy flowing through the oxidized (cathode) electrode. This creates a capacitance relationship (C = Q/V) in which C is the capacitance of the device in Farads, Q is the charge stored in Coulombs, and V is the applied DC voltage in volts. When a higher voltage is applied, the current enters the anode side of the capacitor and gradually builds up charge, increasing the capacitance, until the steady-state voltage is reached.

The M39003/03-0402 capacitor is ideal for applications requiring low noise levels and top performance. It finds applications in a variety of portable and consumer electronics, including cellular phones, PDAs, laptop computers, digital cameras, and other portable consumer electronic devices. These capacitors are also ideal for lower-power applications, such as analog and digital circuits, microwave circuits, DC-DC converters, oscillator circuits, clock generation, and shielding in cell phones, portable media players and other portable electronic devices.

The M39003/03-0402 is a unique tantalum capacitor that benefits from the combination of small size, performance, longevity, and reliability. Its features make it an ideal choice for a range of demanding applications. It is capable of providing reliable and stable performance in a variety of environments, and is also available in high temperature versions for harsh environments.

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