M39003/09-0368H

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Tantalum capacitors, such as the M39003/09-0368H, are a special type of capacitor made from tantalum metal. As with all capacitors, they are used to store electrical energy and to condition power supply lines.

Tantalum capacitors are designed to provide a high capacitance for a given volume of material. For example, a tantalum capacitor the size of a matchhead can store far more electricity than a similarly-sized electrolytic capacitor. Additionally, tantalum capacitors are much more efficient than other types of capacitors since they experience less losses due to high frequencies. This makes them an ideal choice for high-frequency circuits or circuits with very high demands for performance.

The M39003/09-0368H provides extremely low ESR (equivalent series resistance), which is of particular importance in high current applications. It is manufactured within the H-level MIL-PRF-39003/09 spec, which requires extremely stringent observed properties and measured characteristics. The capacitor is polarized, meaning it requires a certain polarity of voltage to properly work. It is also unable to dissipate as much power as non-polarized capacitors, consequently limiting its use in power-critical applications.

The M39003/09-0368H is typically used in military and medical applications where high reliability levels are needed and in a wide range of commercial electronic applications such as laptop computers, power supplies, portable handheld devices, and automotive electronics.

The working principle of the M39003/09-0368H is identical to the working principle of other tantalum capacitors. It works on the electrochemical principles of the formation of the oxide film on the tantalum\'s surface. When a DC voltage is applied, an electrochemical reaction takes place and an oxide film forms on the surface of the tantalum. This oxide film acts as the capacitor\'s dielectric material, keeping the charges separated and able to store electrical energy.

It is crucial to maintain a steady DC voltage across the capacitor for the oxide layer to form. If the applied voltage is too high, the oxide layer will start to deteriorate. Conversely, if the voltage applied is too low, the capacitor will not work as it should. This is why the M39003/09-0368H and other tantalum capacitors should always be used within their specified operating parameters.

Tantalum capacitors are relatively expensive capacitors, due to the high cost of tantalum metal. As a result, they are often used in applications where reliability and high performance are essential. The M39003/09-0368H is no different; it is an extremely reliable and efficient capacitor that is suitable for use in many demanding applications.

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