TAJT686K004RNJ

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Tantalum capacitors, or also known as tantalum electrolytic capacitors, is a type of capacitor that consists of tantalum, a metallic element located on the periodic table in group V, its oxide layer acts as an electrical insulator that stores large amounts of charge. TAJT686K004RNJ is an example of tantalum capacitor, and it belongs to the Automotive Grade series.

TAJT686K004RNJ tantalum capacitors are designed specifically for automotive industry which provides high-level requirements in terms of temperature, high temperature endurance, safety, and reliability. It has compact design which requires less assembly space as well as low profile, making it suitable for space-critical applications. This product offers high ripple current, low ESR and with its AEC-Q200 automotive-grade certification, it is used for advanced or sophisticated automotive applications.

The applications of TAJT686K004RNJ tantalum capacitors are mostly found in the automotive industry and it includes automotive lighting, engine control unit, sensor, infotainment, brake system, and vehicular safety. In addition to its ability to withstand high temperature and low profile, it is also able to withstand vibration environment, making it suitable for numerous Vehicle Electrical and Electronic System (VEES).

The working principle of TAJT686K004RNJ capacitor uses the combination of a Ta anode‘s oxide to create a layer of very thin insulating oxide film, which acts as the dielectric layer. The oxide film plays a huge part in determining the capacitance of the capacitor. When a voltage is applied, the surface of the Ta anode will form an electrolyte, allowing current to flow through. The dielectric layer that was formed on the surface of the Ta anode will then vary depending on the amount of energy stored, known as capacitance.

In conclusion, TAJT686K004RNJ is an automotive grade tantalum capacitors with the capability to withstand against high temperature and vibration, making it an ideal choice for automotive industry that requires precision electrical components, such as automotive lighting and sensor that requires low profile components for space critical applications. Furthermore, its working principle is based on the combination of a Ta anode’s oxide to create a dielectric layer, which would vary depending on the amount of energy stored.

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