T491U107K004AT

Tantalum Capacitors

Tantalum capacitors are widely used in electronic circuits due to their excellent characteristics. The T491U107K004AT is one type of tantalum capacitor. It is a surface mount capacitor. It has a nearly unlimited capacitance range, making it suitable for a wide range of applications. This capacitor is also small in size, making it a popular choice for need for area-concerned applications.

T491U107K004AT is constructed as a two-terminal device with an anode and a cathode. The device consists of a solid manganese dioxide (MnO2) electrolytic layer that is sandwiched between two conductive foils - one anode foil and one cathode foil. The condition of these used foils will determine the capacitance of the capacitor. The main advantages of this device are high capacitance, small size, high reliability, low equivalent series resistance (ESR) and low leakage current.

The T491U107K004AT is suitable for applications including power supplies, UPS systems, AC/DC converters, automotive systems, data systems, telecom systems, low voltage circuits, high voltage circuits, and LED inverters. It is suitable for high temperature applications, with excellent performance characteristics over -55°C to +125°C temperature range, making it ideal for use in applications with harsh environments.

In terms of working principle, the T491U107K004AT relies on a dielectric layer (MnO2) which is sandwiched between the anode and the cathode to store electrical charges. The dielectric layer has a specific electrical resistance, which works like insulator. When a voltage is applied across the capacitor, the dielectric layer accumulates excess electrical charge, and the capacitor has a capacitance. This capacitance can then be used to store current or used to filter signal.

In conclusion, the T491U107K004AT is a versatile capacitor that has excellent characteristics, making it suitable for a range of different applications. Its small size and high capacitance range make it ideal for space-constrained and power-saving applications. It is also designed to perform in harsh environmental conditions, making it suitable for a range of specific, industrial applications.