T491X477M006AT

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T491X477M006AT is a kind of tantalum capacitor. It is designed to meet the requests of the aviation electronics industry. It has several advantages, such as high dielectric strength, high volumetric efficiency, low leakage current and good environmental performance. So it is suitable for applications such as airborne safety, aircraft power control and antenna control system.

T491X477M006AT Application Field

T491X477M006AT is an ideal choice for high-reliability applications, such as missile guidance and nuclear energy control systems, since it offers higher-level stability and excellent temperature performance. It is also used in the design of critical switching regulators, navigation and guidance systems, self-contained Electronic Module units, and custom operational amplifiers.

In addition, T491X477M006AT can be used in applications having a severe shock or vibration environment. It is also suitable for high noise and high frequency applications, such as transmitting and receiving microwave signals and related items. T491X477M006AT is also considered suitable for any solar panel and photovoltaic power system, as well as deep-space ground and airborne telecommunication, data processing and signal transmission applications that require long-term reliable performance.

T491X477M006AT Working Principle

T491X477M006AT use tantalum material to build the capacitor core, the combination of tantalum and electrolyte form the dielectric, therefore it is called tantalum capacitor. When power is applied at the two terminals of the capacitor, the device acts like a small "battery" and then, electricity starts to flow through the capacitor. Conversely, when the power is removed, the capacitor acts like a resistor and all of the electricity that was present within the capacitor will then be discharged.

The tantalum capacitor consists of two pieces of anode and cathode. In between them is the dielectric layer of electrically insulating material, made from the hair of a tantalum pentoxide which is formed by an electrolyte or chemical process. The structure then is inserted into the outer casing, which is all specially designed to hold the device firmly, ensure a constant and leak-free environment and prevent any physical damage which could cause short-circuit.

When a voltage is applied, electrons flow from the negative terminal (the anode) through the dielectric in order to reach the positive terminal (the cathode). The incoming electric fields increase the dielectric strength, thus resulting in the electric current being saved in the capacitor as electric charge. This stored charge can then be released as an electrical flow when needed, making the capacitor an ideal and sometimes necessary component for many applications.

T491X477M006AT has a relatively high capacity and working voltage, and exhibits outstanding performance in the areas of long-term reliability, temperature stability and high-frequency performance. It is widely used in industrial, military and aerospace applications, due to its superior physical and electrical characteristics.

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