T551B256K050AH

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Tantalum - Polymer Capacitors are a type of electrolytic capacitor which are constructed with a tantalum anode, the cathode being carbon-filled polymer, and an electrolyte usually made from an aqueous solution of a manganese salt, such as manganese nitrate. These capacitors are renowned for having high capacitance (electric charges stored on the surface of electrodes), while also having a small size which makes them ideal for use in many electronic devices. T551B256K050AH is an example of such a capacitor. This article will explore its application field and working principle.

The T551B256K050AH is an excellent choice for use in low-profile applications due to the low ESR (Equivalent Series Resistance). It can be used in a variety of electronic devices such as high frequencies, mobile phones, computers and other digital electronic devices. It has excellent thermal stability and humidity sensitivity ratings, making it ideal for use in adverse environmental conditions. Its high capacitance of up to 256,000 microfarads makes it suitable for high-capacity storage applications in which a small size is necessary.

The working principle of the T551B256K050AH is based on electrochemical principles. The surface of the tantalum anode is coated with an electrolyte which consists of an aqueous solution of a manganese salt. When the capacitor is in operation, an electrical voltage is applied across the two terminals causing an electric current to flow through the electrolyte and the capacitor components. This causes electrons to be attracted to the tantalum anode as it becomes positively charged, while the carbon-filled polymer cathode becomes negatively charged. The electric current also causes oxygen ions to move toward the anode, creating a layer of manganese hydroxide along the surface of the anode. This layer of manganese hydroxide acts as a highly effective insulator which helps to maintain the electric current and prevent leakage.

When the capacitor is discharged, the flow of electrons is reversed, causing the electric current to flow in the opposite direction. The manganese hydroxide layer is then broken up and re-formed, causing the electrons to be filtered through the electrolyte and the dielectric layer until the capacitor is charged again and the cycle can be repeated.

Another major advantage of the T551B256K050AH is its high temperature stability. The temperature range in which the capacitor can operate is wide, ranging from -55°C to +125°C, making it ideal for use in applications which require high temperature stability and reliability.

The working principle of the T551B256K050AH is similar to a traditional tantalum electrolytic capacitor, with the electric current being stored in the tiny spaces between the anode and the electrolyte. However, the electrolyte used in the T551B256K050AH is specifically chosen to prevent leakage and ensure no electric current can escape while the capacitor is in operation. This makes it an especially reliable option for high capacity storage applications.

In conclusion, the T551B256K050AH is an excellent choice for use in low-profile applications due to its high capacitance, small size, and exceptional temperature stability and humidity sensitivity ratings. Furthermore, its unique working principle makes it especially reliable for high capacity storage applications such as those found in mobile phones and other digital electronic devices.

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