173D224X5035UWE3

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:	±5%
Capacitance:	0.22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitors that make use of tantalum powder as one of its electrodes. They have widespread applications in the electronics and power industries due to their small size, high capacitance, and low losses. The specific model covered in this article is 173D224X5035UWE3.

Technology Overview

Tantalum capacitors are very similar in construction to aluminum electrolytic capacitors, with the difference being in the material used for the anode. Instead of aluminum, tantalum powder is used as the anode, and is impregnated with a gel that consists of an organic solvent, an electrolyte, and a solid binder. The lead-out wires on the anode are connected to the substrate, and the cathode is connected to the external terminals.

Application Field

Tantalum capacitors have numerous applications, due to their combination of low losses, small size, and high capacitance. They are used extensively in consumer electronics such as computers, laptops, and smartphones, as well as in industrial electronics, including avionics and medical equipment. They are also used in automotive applications, such as engine control units, fuel injection systems, and airbag systems.

Working Principle

The working principle of a tantalum capacitor is based on the electrolytic principle. When a voltage is applied to the capacitor, the electrolyte impregnated into the tantalum powder will react with the metal, forming an oxide layer on the anode surface. This layer acts as an insulator, and prevents any current from flowing between the anode and the electrolyte. The capacitance of the capacitor is then determined by the thickness of the oxide layer; the thicker the layer, the greater the capacitance of the capacitor. The capacitance can be varied by adjusting the voltage applied to the capacitor, or by selecting a different type of electrolyte.

Conclusion

In conclusion, tantalum capacitors are a type of electrolytic capacitor that have a small size, high capacitance, and low losses. The specific model discussed in this article is 173D224X5035UWE3, which is used in a wide variety of applications. Its working principle is based on the electrolytic principle, wherein an oxide layer is formed on the anode surface, resulting in a variable capacitance.

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