TAJR474M020RNJ Capacitors

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Tantalum capacitors represent a kind of electrochemical components that are widely used in the areas of electronics and electrical engineering. The TAJR474M020RNJ is a member of the tantalum capacitor family and is designed for long-term use in a variety of applications. This article provides a description of the TAJR474M020RNJ application field, its characteristic features, and its working principle.

TAJR474M020RNJ Application Field and Features

The TAJR474M020RNJ capacitor is a surface-mounted, three-terminal component with a disk form factor. In terms of capacitance, the component offers 4.7µF of capacitance and a rated voltage of 20V. The component body is made up of a Ta/Ru anode housing, a Cu/Ni contact, and an insulating film and sealing materials. It features a low-temperature coefficient and low-ESR ratings, making it suitable for use in wide temperature ranges. The TAJR474M020RNJ is typically used in consumer and commercial applications such as the basic power supply, dc/dc converter, charger, etc.

TAJR474M020RNJ Working Principle

The TAJR474M020RNJ capacitor is based on a tantalum electrolytic capacitor design. The primary component of the capacitor is a semi-conductor that consists of a tantalum anode, an electrolytic dielectric material, and a Cu/Ni cathode. The anode and cathode are the two electrical connections to the capacitor, while the electrolytic material serves as an insulating barrier between the anode and cathode. The capacitor works by storing an electrical charge between the anode and cathode. When an external voltage is applied to the anode, an electric field is generated, which attracts electrons from the cathode to the anode. This process is referred to as capacitance. During discharge, the electric field collapses, releasing the electrons back to the cathode and causing the capacitor to discharge.

Conclusion

The TAJR474M020RNJ tantalum capacitor is primarily used in various consumer and commercial applications and is considered one of the most reliable and stable components in the market. It offers a wide temperature range and low-temperature coefficient and ESR ratings, making it suitable for use in wide temperature ranges. Moreover, the capacitor is based on a tantalum electrolytic capacitor design and works by storing an electrical charge between the anode and cathode. This article has provided a comprehensive overview of the TAJR474M020RNJ application field and its working principle.

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