Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.095" Dia x 0.260" L (2.41mm x 6.60mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	T322
ESR (Equivalent Series Resistance):	21 Ohm
Type:	Molded
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	0.15µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor and are composed of tantalum metal that has been oxidized to form a protective oxide layer on the surface. They have very high capacitance values for their size and are often used in high-frequency and high-power applications requiring fast, reliable capacitance. The T322A154K050AT is a popular tantalum capacitor that combines high-capacitance and low ESR (Equivalent Series Resistance) with a small footprint.

Application Field

Tantalum capacitors are commonly used in a variety of electronic circuits due to their high capacitance values for their size, low ESR, and small footprint. These capacitors are often employed in high-frequency and high-power applications. Such applications include power supply filter/decoupling, motor control, telecom, automotive, energy storage, and switch-mode circuits. In these types of applications, the tantalum capacitor can reduce board area, help manage heat distribution, and provide a more reliable component for higher-power applications.

Working Principle

The working principle of a tantalum capacitor is based on the principle of electrochemical capacitance. This type of capacitor is composed of two layers of an oxide dielectric material separated by a conductive electrolytic solution. The two layers are the anode and the cathode. When a voltage is applied across the two plates, positive ions in the positive electrode are attracted to the negative electrodes and negative ions in the negative electrode are attracted to the positive electrodes. This results in the formation of a dielectric layer which is electrically insulating and prevents current from flowing between the two plates. Tantalum capacitors operate in a manner similar to aluminum electrolytic capacitors, but with a few key differences. Due to the use of a tantalum anode, they are able to have extremely high capacitance values in a very small form factor. Additionally, the use of an electrolytic solution and solid dielectric material improve the capacitor\'s ability to handle high voltage and high frequency applications and improve reliability in higher temperature environments.

Conclusion

The T322A154K050AT is a popular tantalum capacitor that has a high capacitance and low Equivalent Series Resistance. It is used in a variety of electronic applications, such as power supply filter/decoupling, motor control, telecom, automotive, energy storage, and switch-mode circuits. The working principle of a tantalum capacitor is based on the principle of electrochemical capacitance, with positive and negative ions forming a dielectric layer on the anode and cathode respectively. This allows tantalum capacitors to provide reliable high-capacitance performance in small packages while having the added benefit of being able to handle high voltages and frequencies with improved reliability in high-temperature environments.

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