ST950-30L2KI

Tantalum Capacitors

Tantalum capacitors are capacitor types consisting of a pellet of tantalum metal as an anode, covered by an insulating oxide layer that forms the dielectric, surrounded by conductive viscose as the cathode. They are assembled in a range of designs including through-hole, surface mount, and chip constructions. The capacitor\'s capacitance value is determined by the permittivity of the dielectric layer, the area of the surface, and the thickness of the dielectric. Unlike other electrolytic capacitors, tantalum capacitors use tantalum powder rather than aluminum for their anode, which makes them very compact. They have a higher equivalent series resistance than other electrolytic capacitors, but are popular due to their long life and high volumetric efficiency. They are widely used in electrical equipment such as consumer electronics, computers, cell phones, and automotive applications.

ST950-30L2KI Application Field and Working Principle

The ST950-30L2KI tantalum capacitor is a high reliability, high reliable tantalum capacitor, ideal for military and industrial applications such as aerospace, defense, and medical applications. This capacitor uses a sintered tantalum anode and a solid oxide dielectric material producing excellent performance in temperature extremes. It has a broad range of operating voltages of 2 to 30V DC and is available in Radial and Axial design options. The small size, low ESR, and strong dielectric strength make it suitable for high temperatures and high frequencies in harsh environmental conditions.

The working principle of ST950-30L2KI tantalum capacitors is the same as all other tantalum capacitors. An anode and cathode of different materials are connected through a dielectric material to form a capacitor. When a voltage is applied across the terminals, charge accumulates on the inner surface of the dielectric material which forms an electric field which opposes the applied voltage. The energy stored in the capacitor is proportional to the applied voltage over the capacitor. The capacitance of the capacitor is determined by the permittivity of the dielectric material and the size of the plate surface area. The capacitor can be used for blocking dc or storing energy.

This type of capacitor has a wide range of applications in power conversion, high frequency, temperature-critical, high current, aerospace, defense, and medical applications. Its high temperature stability, reliability, and long life make it suitable for these demanding situations. Its low ESR and small size also make it suitable for high frequencies, high current, and other applications where efficiency and reliability are required.

The ST950-30L2KI tantalum capacitor is an excellent choice for demanding applications where quality, dependability, and reliability are essential. Its high temperature tolerance, low ESR, voltage range, and long life make it a superior choice for harsh and temperature-critical environments.