TAJA156M016RNJ

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Tantalum Capacitors

A tantalum capacitor is a type of electrolytic capacitor, a component of electronic circuits. It typically consists of a pellet of tantalum metal as an anode, covered by an insulating oxide layer that forms the dielectric, surrounded by conductive material as a cathode. It has a very high capacitance-to-volume ratio and is used in applications requiring such high capacitance values. It has the advantages of low cost, long life, small size and high reliability, making it popular in many consumer electronics applications.

TAJA156M016RNJ is a tantalum capacitor developed by TDK. It is an axial-lead, molded-type, SMD package capacitor with a rated capacitance of 16 µF and a rated voltage of 6.3V. It has a temperature range of -55°C to +125°C and a rated ripple current of 2.5A/105°C. It gives excellent performance in terms of high stability, temperature characteristics, ESR, and inductance.

Application field of TAJA156M016RNJ

The TAJA156M016RNJ tantalum capacitor is well suited for a wide range of applications including decoupling, bypassing, voltage stabilization, filtering and signal processing in automotive, telecommunications, medical, instrumentation and industrial control systems. It is also suitable for high frequency, high temperature, and high frequency-voltage applications. In automotive applications, it is commonly used in power converters and signal conditioning circuits.

Working principle of TAJA156M016RNJ

A tantalum capacitor operates by forming an electrical double layer between the tantalum anode and the manganese dioxide cathode within the capacitor. Electrons conduct current by hopping from one side of the double layer to the other. The capacitor can hold a charge until the current is reversed, at which point the charge is discharged.

The dielectric between the two sides of the capacitor is an oxide layer that forms on the tantalum anode operating as a barrier layer. The dielectric can be made of Ta2O5 or other generic dielectrics. The thickness of the dielectric affects the capacitance and voltage ratings of the capacitor since it determines how much charge can be stored in the capacitor. The capacitance of a tantalum capacitor is inversely proportional to the thickness of the oxide layer.

The TAJA156M016RNJ tantalum capacitor provides an excellent combination of low ESR, high capacitance and high frequency performance, making it well suited for a wide range of applications.

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