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Tantalum Capacitors: M39003/03-0143H Application Field and Working Principle

A tantalum capacitor is a specialized type of electrolytic capacitor, which is mainly made of tantalum metal. This type of capacitor sometimes also referred to as “tan caps” because of its distinctive shape resembles a dustpan and is made with tantalum powder as the anode and manganese dioxide as the cathode. They are widely used in small-sized electronics, medical devices, audio equipment, and instrumentation.

M39003/03-0143H

The M39003/03-0143H is a specialty tantalum capacitor that bears a distinctive shape, making it useful in small-sized electronic devices or audio equipment with its miniature size and efficient electric storage. Constructed in the same manner as other tantalum capacitors, it\'s able to offer low leakage current, small case size, and extended shelf life.

Application Field

Tantalum capacitors, such as the M39003/03-0143H, can be used in any electronics applications that require small size electrolytic capacitors. Its miniature size also makes it perfect for high-density board layout requirements in miniaturized electronic equipment. The capacitor can be used in audio equipment, medical devices, instrumentation, and other specialized applications.

Working Principle

The working principle of a tantalum capacitor relies on the capacitance or charge it can store when a voltage is applied across it. When the voltage is applied, the tin oxide layer in the capacitor behaves like an electrical conductor. It also acts as an insulator between the anode and the cathode. The anode and the cathode side are connected to the terminals of the capacitor and when voltage is applied, the electrons on the anode move to the cathode side, creating an electrical potential. The amount of charge that a tantalum capacitor can store is inversely proportional to the amount of impedance it has. The efficiency of the capacitors is improved by coating the cathode in a thick electrolytic dielectric.

Conclusion

The M39003/03-0143H is a specialized tantalum capacitor that\'s ideal for small-sized electronic equipment and audio equipment. It has the advantage of providing low leakage and efficient electrical storage in a miniature package, making it the perfect choice for high-density board layout designs. The working principle of a tantalum capacitor relies on the capacitance or charge it can store when a voltage is applied across it. And the amount of charge that a tantalum capacitor can store is inversely proportional to the amount of impedance it has.

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