M39003/03-0357

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Tantalum capacitors, such as the M39003/03-0357, are a type of passive components used in electronic circuits for energy storage. They are constructed from tantalum metal, which is a rare and expensive material. As such, these capacitors are usually utilized only in precision applications, such as in aerospace, defense, and medical electronics.

The M39003/03-0357 capacitor is a low-voltage, low-profile, molded tantalum capacitor designed for general-purpose and surface-mount applications. It is often used in demanding applications, such as switch-mode power supplies, high-reliability industrial and aerospace systems, automotive electronics, and high-reliability electronic systems in general.

The device consists of two electrodes - the anode and the cathode - separated by a tantalum dielectric. The leads of the device are the anode and cathode. The anode consists of a solid disk of tantalum material, while the cathode is made up of an oxide layer of tantalum. The oxide layer acts as the dielectric between the two electrodes and allows for the storage of electrical charge.

The working principle of a tantalum capacitor is similar to that of other capacitors. When a voltage is applied across the device, the current flow creates an electric field between the two electrodes. This electrical field generates a force that pulls electrons off the surface of the anode and stores them on the oxide layer of the cathode. This process builds up an electric charge, which is stored until the voltage applied across the device is removed.

The M39003/03-0357 capacitor has a temperature range of -55°C to +125°C and a capacitance range of 47pF to 220pF. It also features a high volumetric efficiency, which allows it to take up less space while providing a greater amount of capacitance. It is available in both surface-mount and through-hole versions, and can also be ordered in a range of voltages, from 6V to 50V.

The performance of the M39003/03-0357 capacitor depends on two main factors: temperature and capacitance. The temperature range plays an important role in determining the device’s maximum current rating and leakage current, while the capacitance range determines the amount of energy that it can store. In addition, the device is designed to withstand a variety of environmental conditions, including vibration and humidity.

Overall, the M39003/03-0357 capacitor is a reliable and long-lasting component, designed for use in harsh and demanding environments. It is well-suited for precision applications, such as those in aerospace, defense, medical electronics, and industrial and automotive applications. With its high volumetric efficiency and low-profile design, it is an ideal choice for today’s compact electronics.

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