TAP156K025SRW

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Tantalum capacitors offer the most advantageous of all capacitor configurations, combining a high capacity with a very low inherent leakge current. TAP156K025SRW tantalum capacitors are a type of common tantalums that are specifically designed for non polar, voltage-doubling applications, providing a wide range of features such as low ESR, low tanδ and long-term stability. In voltage-doubling applications, the capacitors are paired with an inductor, diode, and a resistor to create an AC to DC converter circuit. The DC side of the circuit has a doubled voltage with the AC side.

The TAP156K025SRW capacitor is a type of axial-leaded, U-type tantalum capacitor rated up to 2.5V. It features a frequency of 1kHz and capacitance of 156000uF. The package is a shallow-bodied plastic case with a non−polarized fin type end cap that gives it a total height of around 5.2mm. It also features a temperature range of −55°C to +85°C and a rated ripple current of 2.3A. The capacitor has a low temperature coefficient (TC) of 0.06 and a low Equivalent Series Resistance (ESR) of 0.003Ω.

The TAP156K025SRW capacitor’s working principle is based on the physical properties of two layers of different metals: the anode and the cathode. A voltage from the AC source is applied to the two electrodes, creating an electric field with the anode being connected to the positive side and the cathode to the negative side. This electric field causes a buildup of electrons and holes on the two electrodes, resulting in capacitance.

The structure of the TAP156K025SRW capacitor is such that there is minimal intrinsic leakage current. The capacitance of the capacitor is stable with temperature and when connected in series, it provides an increase in capacitance, but leakage current is kept to a minimum as all of the components are connected in parallel. This makes the TAP156K025SRW capacitor an ideal choice for applications requiring a wide range of capacitance values, long life, and minimal leakage.

The TAP156K025SRW capacitor is particularly useful in non-polar, voltage-doubling applications due to the low coefficient of equivalent series resistance and its ability to remain stable with temperature. It is best used in power supplies, DC-DC converters, and general filter applications. It is also ideal for compensating pulse noise and other transfer applications. The capacitor is most suitable for high frequency power decoupling in low voltage applications such as data storage/processing, computer networking, and telecom systems.

In summary, the TAP156K025SRW tantalum capacitor is a reliable, long-lasting type of capacitor that is ideal for a wide range of applications and offers features such as low ESR, low tanδ, and high capacitance ratings. It is most suitable for non-polar, voltage-doubling applications due to its low ESR and excellent temperature stability.

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