M39003/01-2256

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Tantalum capacitors are a type of electrolytic capacitors that are widely used in applications ranging from consumer electronics and automotive technology to industrial grade electronics. The M39003/01-2256 is an electrolytic capacitor designed and manufactured by Vishay, a global leader in the production of electronic components. This tantalum capacitor is suited for use in high performance, high reliability applications such as in military/aerospace, medical / dental, and railway equipment.

The M39003/01-2256 has a capacitance value of 2.2 uF, a voltage rating of 25 Vdc, and an operating temperature range between -55°C to +125°C. It is engineered with an all-metallic construction for superior environmental stability and vibration resistance. This capacitor also has an enhanced temperature coefficient of capacitance which is ideal for high reliability applications such as in audio amplification and filtering.

The working principle behind a tantalum capacitors is the same as most electrolytic capacitors. An electrolyte is sandwiched between two metal plates which serve as the conductors for the electric charge. When an external electric field is applied to the capacitor, the two plates accumulate electric charges with opposite polarity creating an internal electric field. This establishes a potential difference across the electrodes which is stored as electric energy within the capacitor.

In the case of a tantalum capacitor, the plates are made of tantalum metal which makes them extra robust to heat and corrosion. Furthermore, the tantalum plates are covered by a porous layer containing an electrolyte and the oxide film of the tantalum. This oxide film serves to insulate the plates while still allowing electrons to move freely during operation. The collapse of the oxide layer is the main limiting factor for tantalum capacitors since it cannot carry more than the rated voltage for the component.

The M39003/01-2256 is a reliable and durable capacitor that stands out in terms of its high temperature performance and its low equivalent series resistance (ESR). It is suitable for a wide range of applications, including switch mode power supplies, DC-DC converters, and microcontroller power supplies. It also offers excellent circuit protection for automotive and industrial control systems.

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