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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor. Unlike most electrolytic capacitors, which are constructed with an anode made of aluminum or other metals, tantalum capacitors are made with a tantalum anode. Due to their unique construct, tantalum capacitors have several advantages over other types of electrolytic capacitors, making them a popular choice for consumer electronics and other applications.

M39003/01-2640H Application Field and Working Principle

M39003/01-2640H is a conformal-coated, commercial grade tantalum capacitor, sold widely in the marketplace for general consumer electronics applications. This style of capacitor is often used in DC link circuits, such as those found in commercial motor systems, where a high-capacitance, low impedance, and low-noise characteristics are desirable.The working principle of a tantalum capacitor is actually quite simple. The anode, which is made of the tantalum material, is placed in an electrolyte solution. When a current is passed through the electrolyte, the electrolyte’s ions (charged atoms) attach to the anode and form a thin layer, called a capacitance. This capacitance is then able to store electric energy, which it can release as needed.

The M39003/01-2640H is specifically designed for high frequency, low impedance applications. It has a capacitance value of 0.2640F, which is high enough for most applications and a voltage rating of 10-16V. The DC leakage current is low, meaning that it is not prone to leakage in applications with high current. The capacitance is also quite stable over time, and the construction of the capacitor is reliable even in high-humidity or vibration environments.

The M39003/01-2640H is also a conformal coated variant, meaning that it is designed to withstand harsh environmental conditions and is impervious to moisture. This is beneficial in applications where the capacitor must be exposed to moisture, such as motors or outdoor applications. The conformal coating also provides additional protection to the anode and ensures that the capacitance will not reduce or change over time.

Overall, the M39003/01-2640H is an ideal choice for commercial grade, general consumer electronics applications. Its high capacitance and low impedance make it suitable for applications that require stability and reliability, and the conformal coating makes it resistant to both moisture and vibration. This combination of features makes the M39003/01-2640H an excellent choice for high frequency, low impedance applications.

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