572D475X0025A4T

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Tantalum capacitors are widely used in consumer, medical, automotive, telecommunications and aerospace electronic systems. They are resilient, reliable and durable components, with superior performance frequency characteristics far beyond those of other forms of capacitors.

The 572D475X0025A4T is a type of tantalum capacitor, part of the massive range of electrical components from TDK Corporation. This particular component addresses the application fields of Communications, Industrial and Automotive, providing characteristics such as low ESR, high ripple current, long life, high temperature and high surge current, amongst many more.

These type of capacitors use a tantalum electrolytic material as the main dielectric, with an oxide layer created inside the capacitor body as a result through an anodizing process. When discharged, an endothermic reaction occurs in the oxide layer, leading to a self-restoration effect which improves the system’s reliability levels.

The working principle of a tantalum capacitor is based on the accumulation of electric charge between two conducting electrodes. The separated layers consist of an anode and a cathode, each of them connected to a terminal which is regularly used to identify the polarity of the component. In addition to that, a dielectric solution is placed between the electrodes, allowing the capacitor to accumulate the necessary electrical charge for its operation.

Based on its design, the capacitance of a tantalum device may range from just a few pico-farads to hundreds of microfarads, depending on its size. The 572D475X0025A4T, for example, contains a capacitance of 0.047μF and is among the smallest ranging from the range of TDK’s components with a maximum volume of 0.25mm3.

Generally speaking, the range of applications these type of capacitors can address is vast, ranging from power management systems, radial- or axial-lead applications, matt-polymer terminations to flexi-supply and mobile device solutions.

The 572D475X0025A4T, being amongst the smallest of the tantalum range, presents a voltage rating of 16V, ESR of 6mΩ and ripple current of 3.3A. As such, due to its size, it is used for high density applications that have size constraints, as it also provides the necessary values for current, power and voltage needs. Moreover, it has a long life cycle of 1000 hours and a surge current of 12.8A 5 seconds and 5 minutes without derating.

Additionally, the improved properties are supported by the usage of compliant terminals, as well as molded cases, majority of TDK’s components being lead-free and RoHS-compliant.

Therefore, the 572D475X0025A4T is an excellent choice for a variety of electronic systems, directly providing performance and durability without compromising on size.

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