135D477X9025T2

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Tantalum capacitors, or Polymer Tantalum Electrolytic Capacitors, are a notably effective electronic component in many production and consumer device applications. This is due to their high capacitance, low ESR, and ultimately long life characteristics.

In terms of physical size, Tantalum Capacitors tend to be smaller than their aluminum electrolytic counterparts, and due to their effective energy storage, they are ideally suited for low voltage DC conditions. The part number we will be looking at in more detail is 135D477X9025T2, and it is used in a variety of applications, where its particular working principle and technological capabilities bring advantages over other components.

Within the category of Tantalum capacitors, the 135D477X9025T2 is a radial lead-type, with a lead pitch interval of 2.5mm (0.098”). This component feature a solid electrolyte, employed for its highly stable performance and reliability traits, and its storage temperature rating of +85 °C. Due to its high capacitance values for its size, it is typically used in applications requiring more energy storage in limited space.

Another notable feature of 135D477X9025T2 is its relatively low ESR (Equivalent Series Resistance). This allows current to flow more freely, and as a result, it can be a much more efficient component than other alternatives such as aluminum electrolytics. Its relatively high frequency performance allows it to be used in high speed switching circuits, where its effective performance will often allow for longer device life.

The workings of the 135D477X9025T2 follow the same basic principle as many electrostatic capacitors. Within the device are two sets of alloy plates. They are separated by a ceramic dielectric, which is separated by a thin layer of tantalum. This layer serves as both the electrode, and provides the device with its efficient energy storage.

Essentially, these plates take the opposite charge, and their distance from each other is what defines the capacitance of the device. When a current is passed through the capacitor, and allowed to move across the ceramic dielectric, an electrical field is created, which is essentially the ‘capacitance’ of the device. This stored energy is what makes it an so important component in electronic device applications.

These qualities of the 135D477X9025T2 make it a particularly versatile component in a plethora of digital electronics applications. It may not be suited to high voltage or AC types of use cases, but as a low voltage, low power consumption choice, it is one to consider. Its remarkable combination of features means that it is often a favored choice of component for anyone looking for an efficient, reliable, and space saving solution to their device requirements.

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