TAJA475M004SNJ

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Tantalum capacitors are an important type of passive components. They are used in a variety of electronic applications, from high frequency, high frequency, radio to consumer and industrial products. Tantalum capacitors are particularly well suited for use in digital circuits in which high currents through low voltages are involved and large capacitance is needed. The TAJA475M004SNJ is a particular type of tantalum capacitor and its application field and working principle are important to understand.

A TAJA475M004SNJ is a Tantalum-based, 4-pin surface-mount capacitor. It is an electrolytic capacitor, meaning it is constructed of a positive anode and negative cathode, with an insulating layer of tantalum oxide between them. This allows it to hold a large amount of charge relative to its size, making it perfect for different applications, such as signal and energy storage. It is typically used in low-leakage, high-current and low-voltage circuits, including in the construction of printed circuit boards (PCBs).

The TAJA475M004SNJ is rated for capacitance values ranging from 47uF to 680uF. In terms of voltage, it can handle up to 4V Maximum Voltage. It is available in four pin versions. The most common is the two-terminal version, but there is also a three-terminal version and a four-terminal version. It operates over a range of -25°C to +85°C, and it is commonly used in portable electronics due to its small size and low profile. Additionally, it features an ESR (Equivalent Series Resistance) rating of up to 1.14Ω and an ESL (Equivalent Series Inductance) rating of up to 4.28nH, making it an extremely low-ESR product.

In terms of its working principle, the TAJA475M004SNJ works by using the phenomenon of electrolysis or electrochemical oxidation. When power is applied, current flows through the tantalum oxide layer, creating an increase in voltage across the capacitor. This voltage difference causes the anode and cathode to diverge, allowing electric charge to accumulate on each terminal. This charge is stored and can later be released when power is no longer applied, allowing the capacitor to act as an energy storage device. The amount of energy stored can be adjusted by varying the amount of voltage across the capacitor.

The TAJA475M004SNJ is used in a variety of applications due to its high capacitance, low ESR, small size, and low profile. It is commonly used in low voltage and high current circuits to maximize board space. Additionally, it is also used in sensing, timing, and energy storage applications. It has found wide ranging applications in the field of communications, consumer electronics, automotive, and industrial applications.

In conclusion, the TAJA475M004SNJ is a versatile, surface-mount electrolytic capacitor. It is suitable for a variety of applications due to its high capacitance, low ESR, small size, and low profile. It uses the phenomenon of electrolysis or electrochemical oxidation to store and release energy, making it ideal for energy storage applications. The TAJA475M004SNJ is an effective and efficient passive component, suitable for a variety of applications.

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