173D224X9035U

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	U
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:	TANTALEX®, 173D
ESR (Equivalent Series Resistance):	--
Type:	Molded
Voltage - Rated:	35V
Tolerance:	±10%
Capacitance:	0.22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction of Tantalum Capacitors

Tantalum capacitors are a type of electrical component that is frequently used in electronic circuits. These capacitors use a form of a metallic oxide film, usually Ta2O5, which is deposited on top of an anode. Capacitors also have a porous tantalum anode substrate, an electrolyte, and two leads. Due to their construction, these capacitors are usually referred to as ‘solid electrolytic capacitors’, due to the use of solid electrolyte instead of conventional liquid electrolyte.

Uses and Working Principle of Tantalum Capacitors

Tantalum capacitors find their use in a variety of applications, from filters and decoupling, to high speed timing and power supplies for PCs. Due to the use of solid electrolyte, it is perfect for situations where temperature cycling or vibration is present. In addition, these capacitors also have a low ESR (Equivalent Series Resistance) resulting in low power dissipation. They also operate at low temperatures due to their low leakage current design.The working principle of tantalum capacitors is based on their construction. The capacitor is composed of a tantalum anode, a dielectric layer between the two, a cathode and two leads. When a voltage is applied across the two leads, it causes electrons to move from the anode to the cathode. At the same time, the electric field created by the applied voltage forms an ionic "junction" on the surface of the dielectric layer, which forms a barrier that prevents any further current flow. This barrier, also known as a junction capacitance, is the basis of how tantalum capacitors work.

Application Field of 173D224X9035U

The 173D224X9035U by AVX is a solid tantalum capacitor. This particular model has an operating temperature range between -55°C and 125°C, a voltage rating of 6.3 Volts and a capacitance of 22µF. This capacitor can provide high ripple current capability along with extremely low ESR making it perfect for applications where temperature cycling or vibration is present. Examples of such applications are circuit filters, decoupling, timing, power supplies and amplifiers. The purpose of using this capacitor is to reduce the amount of high frequency noise present in the circuit, reduce the AC ripple voltage, and to provide a stable voltage source.

Conclusion

The use of Tantalum capacitors provides numerous benefits over traditional film and electrolytic capacitors. Its use allows for improved performance of a wide range of electronic circuits. The aforementioned 173D224X9035U is a solid tantalum capacitor which is especially useful for applications that have a need for high ripple current as well as for applications with high temperature cycling or vibration. It is also widely used in filters, decoupling, timing, power supplies and amplifiers.

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