T491B225K035AT4513

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T491B225K035AT4513 is a tantalum capacitor. A tantalum capacitor is an electrolytic capacitor. Its anode consists of a sintered tantalum core, an oxide anode layer, a cathode lead and a layer of manganese dioxide electrolyte. When a voltage is applied, the thin anode oxide layer acts as the dielectric. Electrical charge is stored by forming a Tantalum–Manganese dioxide interface.

T491B225K035AT4513s have a far greater capacitance than ceramic or film capacitors. It has a high dielectric loss and non-linear capacitance–voltage characteristics. Some variants are temperature compensated by appropriate selection of dielectric materials.

The application field for T491B225K035AT4513 commonly includes signal bypass, DC-to-DC converter filtering, buffering, power supply sequencing, power-over-temperature, and switching regulator control loops. It is also used in high temperature and low profile applications mainly because of their low-equivalent series resistance (ESR).

The working principle of a tantalum capacitor is quite simple. It works by creating an electric potential difference. The potential difference is created between two metallic plates, or electrodes, separated by an insulating material. When a potential difference is applied across the two electrodes, the charge carriers, or ions, in the dielectric material are attracted to one electrode and repelled away from the other.

T491B225K035AT4513s have a wide range of electrical characteristics depending on their design. Generally, they have low and stable series inductance and ESR, along with low impedance and good linearity. All these features make the tantalum capacitor favorable for high-frequency applications.

In conclusion, T491B225K035AT4513 is a type of tantalum capacitor which can provide great electrical characteristics and advantages for high temperature and low profile applications. Its application field mainly includes signal bypass, DC-to-DC converter filtering, buffering, power supply sequencing, power-over-temperature, and switching regulator control loops. Its working principle is to create an electric potential difference by two separated electrodes.

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