TR3C225K050C1500 Capacitors

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Tantalum Capacitors

Tantalum capacitors are one of the most commonly used types of capacitors in the electrical engineering industry. They are known for their high capacitance, low equivalent series resistance and small size, making them ideal for a wide range of applications. The TR3C225K050C1500 is a surface-mount aluminum electrolytic capacitor with a tantalum core and a rated capacitance of 2.25uF, a rated working voltage of 5V and a maximum ripple current of 1.5A.

Application Field

TR3C225K050C1500 capacitors are ideal for a wide range of applications in audio, video, robotics and other fields, including bypassing, coupling, feed-through and voltage-dividing circuits. They offer several advantages in these applications, including a very stable capacitance over frequency, a high damping factor, low equivalent series resistance (ESR) and high frequency ripple current capability. Thanks to its small size, they are also suitable for applications where space is at a premium.

Working Principle

The TR3C225K050C1500 capacitors use a tantalum core ceramic capacitor with a metallic electrolytic wick that acts as both a dielectric and the electrode. As such, the potential difference between the two electrodes changes the charge on the capacitor and induces a current flow. This current flow is an alternating current (AC) that results from the capacitors capacitance. The value of the capacitance generated is related to the geometry of the structure and the dielectric material. The current flow also produces an electrical field that causes a voltage drop between the two electrodes.

This voltage drop is a function of time and is linked to the frequency of the AC signal applied to the terminals of the capacitor. When the applied AC signal is of higher frequency, the voltage drop increases. The higher the frequency of the AC signal, the more charge is held by the capacitor at a given time and, thus, the more the voltage drop. This effect can be used to acquire a range of predetermined values of capacitance.

The TR3C225K050C1500 capacitors use a two-phase charge transfer process for their operation. When a voltage is applied to the capacitor terminals, an electrical field is created between the two electrodes. This electric field causes the charge carriers to be attracted to one of the electrodes and represent the positive charge of the capacitor. At the same time, a negative charge is created on the other electrode, thus giving the capacitor its electrical dipole.

The electric charges remain there until the applied voltage is reduced to zero. This charge transfer process is repeated each time a voltage pulse is applied, first representing a positive charge and then a negative charge. This constant interchange of charge is what makes TR3C225K050C1500 capacitors so effective in their intended applications.

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