T354E225K050AT

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Tantalum capacitors are an important type of electronic components in the industry, commonly used in high power equipment, computer mainframes, precision instruments, etc. Among them, T354E225K050AT is a surface mounted aluminum electrolytic capacitor with molded case. It is widely used in the application fields such as high frequency, communication, power supply and audio.

The package of T354E225K050AT is 3.5mm×4.5mm, and the capacitance is 0.22uF. The range of operation temperature is -55°C~105°C, while the rated voltage is 5Vdc. The operating current of the device is 1,500 mA, and the maximum ripple current is 4,600mA. It has a high capacitance to volume ratio, and its high frequency performance is better than similar capacitors.

Besides its small size and high performance, T354E225K050AT is highly reliable due to its superb working principle. It is made of two layers of aluminum foil and tantalum powder as the electrodes, sandwiched by the oxidized film and sealing roll. The surface of the electrodes is coated with metals that have a large specific capacity, and the organic protective film prevents the oxidation of electrode surface. A small layer of electrolyte is applied between the polarization layer and the main body, which serves as the dielectric medium.

When an electrical signal is applied to the device, electric charges will begin to flow through the capacitor, and electric dipoles are formed between the polarization layers. That will form a potential barrier across the oxide layer, allowing electrons to move from one layer to the other. This process is known as “capacitive coupling”, and it allows electric charges to be stored in the capacitor. When the electrostatic field is large enough, charge carriers will be able to cross the polarization barrier, thus a steady current can be established.

T354E225K050AT is one of the most widely used types of tantalum capacitors. It has a small size, a high capacitance value and is widely used in high frequency, power and audio application fields. Its solid principle and excellent performance make it a reliable and efficient choice for many types of schemes.

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