173D155X9025VWE3

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	V
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.110" Dia x 0.290" L (2.79mm x 7.37mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	TANTALEX®, 173D
ESR (Equivalent Series Resistance):	--
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Tantalum capacitors, also known as tantalum electrolytic capacitors, are devices used for storing electrical energy for use in various electrical and digital circuits. A primary type of tantalum capacitor is the solid-electrolyte type, which consists of an anode made from a sintered mass of tantalum powder, an electrolyte of manganese dioxide, and a cathode made from silver or palladium. A polarization voltage is required for operation, and this polarization voltage is determined by the manganese dioxide used in the cathode.The model designation for Tantalum capacitors, including the model 173D155X9025VWE3 capacitor, specifies the physical size and electrical criteria of the capacitor. The physical size refers to the case size code, which indicates the dimensions of the capacitor in this case as well as other mounting specifications. The electrical criteria is based on the capacitor’s capacitance, DC rated voltage, and capacitance tolerance.

Application Field of 173D155X9025VWE3 Capacitor

The 173D155X9025VWE3 capacitor is mainly used in power supplies, filtering units and oscillator circuits. Common applications include bypass, energy storage, voltage-doubling, and snubber circuits. It is well suited for automated surface mount applications and its mature technology have given it a reliable record of performance in many demanding applications.

Working Principle of 173D155X9025VWE3 Capacitor

The working principle of the 173D155X9025VWE3 capacitor is based on Faraday’s law of electrostatics. When a voltage is applied across the capacitor, an electric field is created that causes an accumulation of electric charge on the plates of the capacitor. This accumulation of charge on the plates is known as the charge density or electric dipole. The magnitude of the electric dipole is proportional to the voltage applied across the capacitor and the distance between the dipoles. The electric dipole created by the voltage is used to store energy in the capacitor.When the voltage across the capacitor is removed, the stored charge flows back into the supply, resulting in a discharge. During this process, the electric dipole formed during the charging interval is cancelled out and the capacitor is effectively discharged to its initial state. This process is known as the capacitance discharge and it is the basis of how capacitors operate.

Conclusion

The 173D155X9025VWE3 capacitor is a solid-electrolyte type tantalum capacitor. It is mainly used in power supplies, filtering units and oscillator circuits for various electrical and digital circuits. It works on the principle of Faraday’s law of electrostatics and has a reliable record of performance in many demanding applications.

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