CWR26HH106MBFZ\TR

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Tantalum Capacitors

Tantalum capacitors are important components widely used in various electronic applications. They are polarization capacitors making use of the electric double-layer created by the surface of the tantalum metal and the dielectric material (tantalum pentoxide, Ta2O5) to achieve capacitance. Tantalum capacitors are widely used due to their small size, high capacity, low ESR, low leakage current, and excellent temperature characteristics.

CWR26HH106MBFZ\TR Application Field and Working Principle

CWR26HH106MBFZ\TR is a wet-slug (non-conductive) tantalum capacitor with a low profile and a voltage rating of 10V. The capacitor incorporates a tantalum core and MnO2 for efficient energy storage. It has a frequency rating of 2.2kHz and is used for various electronic applications including stability, filter, decoupling, storage, and power regulation. The key advantages of the capacitor are its compact size, high reliability, good temperature and vibration characteristics, and a wide temperature range (-55℃ to +125℃).

The CWR26HH106MBFZ\TR capacitor works as a medium-voltage capacitor with a low ESR. It consists of a wet-slug Mylar polyester film and a tantalum core housed in an epoxy-coated hermetic seal. The capacitor has two terminals connecting the capacitor in parallel with the capacitor terminal being the positive terminal. The anode is formed by sintering a tantalum wire onto the capacitor\'s terminal. During operation, MnO2 on the tantalum core cathode absorbs electrons from the anode, creating an electrical double layer on its surface. The capacitor\'s dielectric is built up in a similar way.

The capacitor\'s capacitance is determined by the surface area of the dielectric and the amount of impurities in the MnO2. When an external signal voltage is applied, the capacitor\'s electrical properties change accordingly, leading to changes in its capacitance and ESR. The electrical properties of the capacitor are further affected by temperature, frequency, applied current, and material aging for the long-term stability and reliability.

The CWR26HH106MBFZ\TR capacitor is well-suited for various applications in electronic circuits. For example, in power supplies, the capacitor is used as a decoupling capacitor to eliminate noise as well as a filter component or for stabilizing the input or output voltage. In automotive electronics, the capacitor is used for filter, decoupling, discharged control, and voltage regulation. In consumer electronics and medical devices, the capacitor is used for frequency compensation, filter, and energy storage.

In conclusion, the CWR26HH106MBFZ\TR capacitor is a reliable and compact wet-slug tantalum capacitor with high reliability and stability, excellent temperature and vibration characteristics, and a wide temperature range. It is suitable for a variety of electronic applications including stability, filter, decoupling, storage, and power regulation.

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