T354K226K035AS

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Tantalum capacitors, or Ta capacitors, are electrochemical capacitors that use a tantalum-based anode. These capacitors use tantalum powder as one of their main components. Tantalum capacitors are categorized as polar capacitors, where there is a positive and a negative terminal. The other parts of the capacitor include a dielectric material, usually some form of ceramic, and a cathode assembly.

T354K226K035AS is a type of Tantalum Capacitors with an anode made from a tantalum powder. It is a surface-mount type capacitor with an anode area of 354mm² and a maximum voltage rating of 5.5V with a 2.2µF capacitance value. It is molded in a K package that measures 2.26 x 3.50 mm. It has a temperature range of -55°C to +125°C.

The electrochemical capacitance of tantalum capacitors is mainly a result of the electrochemical redox reaction. The redox (reduction/oxidation) process which takes place in the capacitor between the anode and the cathode can be described using the following equation:

Tantalum + Oxygen ⇌ Tantalum Oxide + Oxidized Electrolyte

This equation shows the anode of the capacitor converting the tantalum powder into tantalum oxide while releasing its electrons into the external circuit. On the other hand, the oxidation reaction on the cathode causes the electrolyte to react with oxygen, releasing additional electrons into the external circuit.

The amount of capacitance of a tantalum capacitor depends on the type of electrolyte and dielectric materials used to make it. Even though tantalum powder is an excellent choice for capacitors due to its low internal resistance and high dielectric strength, its performance can be compromised due to its hygroscopic nature. The choice of electrolyte and dielectric material used has to be carefully carried out to ensure that the capacitor delivers the desired performance.

T354K226K035AS is a bipolar non-solid tantalum capacitor. It has an arcuate-shaped anode and is made using a robust metalized anode construction to ensure a low series resistance, thus providing an optimal performance. It also features a high temperature stability and low leakage current ratings, along with a capacitance tolerance of 10%.

T354K226K035AS capacitors are widely used in a variety of applications. Due to their relatively small size, they are often used in portable electronics such as laptop power supplies and cell phones. They can also be found in automotive, audio and communication systems, RFID systems and consumer electronics. With its high temperature stability and low leakage current ratings, it is also suitable for use in high reliability applications.

T354K226K035AS is a versatile and reliable type of tantalum capacitor that can be used in a variety of applications. Its small size and good performance characteristics, coupled with its high tolerance and low leakage current ratings, make it an ideal choice for applications such as automotive, consumer electronics and RFID systems. With its wide variety of uses, tantalum capacitors are quickly becoming an indispensable component for electronic design engineers.

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