TAJE227M010RNJ

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Tantalum capacitors, otherwise known as tantalum electrolytic capacitors, are highly polarized capacitors with superior electrical, thermal and physical properties, great stability, and high reliability, making them widely used in many kinds of electronic devices. A typical example of a tantalum capacitor is TAJE227M010RNJ.

Principle of TAJE227M010RNJ

TAJE227M010RNJ is a solid tantalum electrolytic capacitor with an anode made of tantalum powder, a tantalum pentoxide dielectric, and an electrolyte composed of either an aqueous or an organic electrolyte solution. The solid electrolyte is generally composed of a fine, high purity tantalum powder, a high dielectric factor, and 9-12wt-% manganese dioxide.

The capacitor operates based on the mechanism of electrochemical double layer capacitance. When a potential difference is applied in the tantalum capacitor, an electric field strong enough to cause electrical breakdown at the interface of the tantalum powder and the electrolyte builds up in a region known as “electrical double layer”. This electric field causes the selective electrochemical deposition of electrons at the tantalum powder surface, forming an electrical double layer of positive and negative charges. This process is known as electrochemical polarization.

The formation of this double layer is the basis of TAJE227M010RNJ’s capacitance. Since the capacitance is affected by permittivity, the higher the permittivity (or dielectric factor) of the electrolyte, the higher the capacitance.

Application Field of TAJE227M010RNJ

Due to its excellent electrical, thermal and physical properties, high stability and high reliability, TAJE227M010RNJ is widely used in consumer electronics, automotive, military and avionic, industrial, and medical fields.

In consumer electronics, TAJE227M010RNJ provides low ESR and low leakage current for DC/DC controllers, providing power for electronic components. TAJE227M010RNJ is also used in high speed, low noise DC filtering and audio processors for accurate signal control.

In automotive, military, and avionic industries, TAJE227M010RNJ is often used as a low ESR ripple filter or noise canceller, providing power and signal filtering in engines, navigation systems, and flight systems.

In industrial and medical applications, TAJE227M010RNJ is used in surgical equipment and MRI machines, providing level shifting and low application noise.

Conclusion

To sum up, TAJE227M010RNJ is a highly versatile and reliable electronic component, used for many kinds of applications due to its superior electrical, thermal and physical properties, great stability and high reliability. Its operating principle is based on electrochemical double layer capacitance, and it is widely used in consumer electronics, automotive, military and avionic, industrial, and medical fields.

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