T543B476M010ATW070

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Tantalum - Polymer Capacitors

Tantalum-polymer capacitors are a type of capacitor which combines two different technologies – tantalum and polymer – to provide reliable and effective voltage supply to electrical components. The design and characteristics of the capacitors are used to provide energy storage and/or filtering energy supplies in a variety of applications. They are also known to offer excellent high speed performance and temperature stability over a wide temperature range.

T543B476M010ATW070 Application Field and Working Principle

T543B476M010ATW070 is an electrolytic polymer capacitor featuring a tantalum anode, an electrical dielectric coating of polypropylene, and a hydrogenated polyethylene or polyphenylene sulphide cathode. It is capable of withstanding voltages ranging from 4V to 470V.

The application field for T543B476M010ATW070 includes power management, note book PCs, LCD TVs, and task-specific equipment. Specifically, it is used for DC-DC power converter, on-board power supply conditioners, DC/AC inverters and motor driver circuits, and in applications such as welding machines and automotive DC/DC converters. This capacitor also provides a high degree of ripple rejection and filtering capability, which allows it to be employed in low-noise applications.

To understand how T543B476M010ATW070 works, it is important to look at the way a typical tantalum capacitor functions. The anode which is always made of electrolytic tantalum acts as a capacitor plate, while the dielectric coating, made of an insulating material such as polyethylene oxide, vaporized glass or laminated foil, is sandwiched between the anode and the cathode. When a voltage is applied across the plates, electrons are forced to flow from the anode to the cathode, thus creating a charge. As the electrons flow, the potential energy of the electrons is given off as heat, which is dissipated from the surface of the capacitor.

The main advantages of T543B476M010ATW070 are its high voltages and long life. Its long-term reliability is achieved due to its robust construction, which prevents the chances of micro-crack formation and moisture absorption. The capacitor also has a good surge characteristics, meaning it can easily handle large transient current spikes. Furthermore, it can operate in temperatures up to 125°C, making it suitable for harsh environment applications.

The T543B476M010ATW070 polymer capacitor is an ideal choice for a variety of applications that require high voltages and long life. It is a reliable and cost-effective solution for power management, low-noise operation, and high-temperature resistance. With its superior performance and wide temperature range, this capacitor is the perfect choice for applications ranging from welding machines to LCD TVs.

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