T540B107K003AH87107280

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Tantalum - Polymer Capacitors

T540B107K003AH87107280 is a type of tantalum - polymer capacitor, often referred to as a solid-state electrolytic capacitor (SSEC). It is a long term energy storage device, typically used where there is a need for high capacitance values in a small package with Ultra-Low ESR. A tantalum - polymer capacitor utilizes a layer of tantalum (Ta) powder and a metal oxide (TiO2) deposited onto the anode and a specific polymer material as the dielectric in the capacitor.

Application Field

T540B107K003AH87107280 is typically used for decoupling and restoring supply lines and can also be used where ripple currents have to be reduced, and for filtering applications. It is a highly reliable device, with excellent temperature and voltage characteristics, able to handle high ripple current and conductive anodic films (CAF) with an ultra-low ESR and wide temperature operating range.

T540B107K003AH87107280 is ideal for powering modern micro-electronic integrated circuits (ICs) and also for other sensitive electronic components. It is also designed to support power converters and d.c/a.c. power supply management as a ripple filter. This include applications such as switching regulators, fly-back power management, variable speed systems, and DC-DC converters.

Working Principle

To understand the working principle of T540B107K003AH87107280, it is important to understand what a capacitor is and how it works. A capacitor is a device that stores energy and produces a voltage when current is passed through it. This is done by building an electric field between two “plates”, or sets of conductors, separated by an insulator. This means that capacitors are basically resistors to AC electricity, but are highly conductive to DC. The amount of energy a capacitor can store depends on its capacitance, which is measured in Farads (symbol F).

T540B107K003AH87107280 utilizes a thin layer of tantalum powder and a deposited coating of the metal-oxide (TiO2) on its anode. The amount of stored energy is determined by the capacitance and the type of dielectric material used. When a voltage is applied, a reaction takes place between the tantalum powder and the metal-oxide. This reaction produces electrolytic polarization and induces a strong electric field in the dielectric, increasing its dielectric constant which increases its capacitance.

A tantalum - polymer capacitor also leverages its construction to reduce the ESR. Most conventional electrolytic capacitors use an electrolyte to increase the capacitance of the device. This additional material creates a higher ESR due to the fact that the additive has some resistance. In a tantalum - polymer capacitor, the Tantalum powder, which is highly conductive, is used as the electrolyte instead. This reduces the overall resistance of the device, increasing the ESR value. As a result, the overall capacitance of the device is increased, resulting in a higher energy storage rate.

T540B107K003AH87107280 can be used in a variety of applications where there is steep pulse or current demands that require a high degree of reliability and operation in extreme environmental conditions. This type of capacitor also offers high operation levels over a wide temperature range and superior ESR performance. It also provides lower leakage and faster response times.

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