TAP155M035CCS

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Tantalum capacitors are a type of electrolytic capacitor that come in both polarized and non-polarized forms. They have higher capacitance than aluminum electrolytic capacitors, making them suitable for high frequency, high power applications. The TAP155M035CCS is a polarized type, which means it has a positive and negative terminal, enabling a specific current to flow. This is often referred to as "bi-directional" operation.

The TAP155M035CCS is a surface-mount tantalum capacitor with a maximum rated voltage of 35 volts and a capacitance of 155 µF. It is made from high-grade tantalum foil, and forms a two-terminal, electro-chemical device with a very low internal series resistance, making it suitable for applications requiring large amounts of current.

The TAP155M035CCS is suitable for applications including decoupling and filtering, noise suppression, and power conditioning. They are typically used as a power supply filter to reduce ripple and provide a clean source of power. They are also well-suited for use in large amplitude, high-frequency pulsed power switching converters and amplifiers.

The working principle of a tantalum capacitor is similar to that of an aluminum electrolytic capacitor, but with a few key differences. In a tantalum capacitor, the anode is made from a high-grade substance, usually tantalum oxide. The oxide layer acts as a dielectric between the anode and the electrolyte. The capacitance of a tantalum capacitor is determined by the size of the oxide layer, and the amount of current that can be passed through it.

When a voltage is applied, the oxide layer expands, allowing more current to pass through it, increasing the capacitance. When the voltage is removed, the oxide layer contracts, reducing the amount of current that will be able to pass through it, and reducing the capacitance. This is why tantalum capacitors are referred to as ‘variable capacitors’.

Tantalum capacitors are widely used in a variety of applications due to their high capacitance, low leakage current, low ESR, and long lifetime. The TAP155M035CCS is a surface-mount type and offers high reliability, demanding minimal maintenance and space. It is well-suited to a range of high frequency, high power applications such as filtering, noise suppression and power conditioning.

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