T491D225M050AT4380

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	2.5 Ohm
Type:	Molded
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	2.2µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491D225M050AT4380 is a type of capacitor known as a Tantalum capacitor. Along with aluminum electrolytic capacitors, tantalum capacitors are used in a variety of applications including in DC and AC power supplies, in signal conditioning circuits, and for suppressing high frequency noise. Their size ranges from as small as 1.6x1.2mm SMD in a 0805 package up to large electrolytic capacitors of a few centimeters in diameter.Tantalum capacitors are, in general, non-polarized and have a very good temperature stability and high capacitance values for their size. Additionally, the parasitic inductance associated with any tantalum capacitor is low. As a result, they can better withstand more voltage and faster charge/discharge application than other types of capacitors such as ceramic capacitors.In order to understand how a tantalum capacitor works, one must first understand the basic principles of capacitance. Basically, capacitance is the ability of an electrical device to store and release energy. This is done through two conductors separated by an insulator, known as the dielectric material. When a voltage is applied to the capacitor, an electric field is created, which causes electricity to flow in the form of electrons and holes. The electric field also polarizes the dielectric material, making it able to store energy in the form of static electric charge.The T491D225M050AT4380 is a type of tantalum capacitor that is characterized by it having a small form factor. It has a dielectric of Niobium Oxide (BNO), a conductive polymer body and a leaded terminal. It is most commonly used in DC and AC power supplies, in signal conditioning circuits, and for suppressing high frequency noise. T491D225M050AT4380 are also used in military applications due to their excellent temperature stability and mechanical robustness.In addition to its uses in power supplies, signal conditioning circuits, and noise suppression, the T491D225M050AT4380 can also be used in many other applications. It is suitable for use in DC-DC converters, voltage converters, snubbers and decoupling circuits. These capacitors are also commonly used in industrial applications such as process automation, automotive and HVAC applications.The working principle of a T491D225M050AT4380 is similar to any other capacitor: when a voltage is applied to its terminals, the electric field polarizes the dielectric material, allowing it to store electrical energy. The advantage of this type of capacitor is that it can store large amounts of energy in small form factors without taking up too much space. Additionally, since it has a leaded terminal, it is easy to mount on most printed circuit boards.To sum up, T491D225M050AT4380 belongs to the family of Tantalum capacitors. These capacitors are generally non-polarized and characterized by having a small form factor, a dielectric of Niobium Oxide (BNO), a conductive polymer body, and a leaded terminal. As a result, these capacitors can perform a variety of tasks, ranging from DC and AC power supplies, signal conditioning, noise suppression and decoupling. Since they have a high capacitance for their size, a low parasitic inductance, and good temperature stability, T491D225M050AT4380 capacitors can be found in many different applications such as industrial, automotive, HVAC, process automation, and military.

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