199D225X0025AXV1E3

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	0.100" (2.54mm)
Height - Seated (Max):	0.340" (8.64mm)
Size / Dimension:	0.173" Dia (4.40mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Lifetime @ Temp.:	1000 Hrs @ 85°C
Series:	TANTALEX®, 199D
ESR (Equivalent Series Resistance):	--
Type:	Conformal Coated
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Tantalum capacitors, also known as “tantalum electrolytic capacitors”, are electronic capacitors consisting of a tantalum metal oxide anode, an electrolyte of organic solvent and a porous tantalum pentoxide cathode. Often used in high-voltage applications, these capacitors are capable of withstanding a wide range of temperatures and have an extended life span when compared to other types of capacitors. The model used in this article is 199D225X0025AXV1E3, and it is a popular choice in many applications.

Types of Tantalum Capacitors

There are two main types of tantalum capacitors: solid and wet. Solid tantalum capacitors are created by depositing a thin layer of tantalum pentoxide onto a tantalum plate to form a dielectric. This dielectric is then attached to an electrolyte solution, creating a solid capacitor. Wet tantalum capacitors, on the other hand, use a liquid electrolyte injected into the capacitor. This type of capacitor is able to handle higher temperatures, but due to its construction, it is not recommended for use in high-voltage applications.

Application Fields

Tantalum capacitors are highly versatile and can be used in a variety of applications. Examples of such applications include:• Automotive electronics: Tantalum capacitors are capable of withstanding a wide range of temperatures, making them ideal for automotive electronics.• Defense and aerospace: Due to their strong capacitance and ability to handle high voltages, tantalum capacitors are often used in military, aerospace, and space applications.• High-reliability: Due to their long lifespans and reliability, tantalum capacitors are often used in medical and industrial applications.• Electronic warfare: Because of the capacitor\'s high-frequency response and low losses, it is often used in electronic warfare and communications equipment.

Working Principle

When a voltage is applied to a tantalum capacitor, an electric field is created within the capacitor, causing current to flow through the electrolyte and electrolyte-filled pores in the tantalum plate. This causes an electrolyte film to form on the plate, thus creating a high-density electric field in the region of the electrolyte. This high-density electric field enables electrons to move between the anode and cathode, creating a current. The current flows through the resistor until the capacitor reaches equilibrium, upon which it will begin to store the energy.

Conclusion

Tantalum capacitors are an excellent choice for many high-reliability and high-voltage applications due to their long life spans and higher temperature tolerances. The 199D225X0025AXV1E3 model is an excellent option for a wide variety of uses, including defense and aerospace applications, automotive electronics, and industrial and medical uses. Its working principle relies on the formation of a high-density electric field in the capacitor, which stores energy until the capacitor reaches equilibrium. Overall, tantalum capacitors are an excellent choice for many applications.

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