T491A225K010AT4838

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	7 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±10%
Capacitance:	2.2µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491A225K010AT4838 is a type of tantalum capacitor, which is an electrical component designed to store energy in electric fields through a set of capacitor plates and an electrolyte. The electrolyte is usually a type of liquid, usually a solution of sulfuric acid, potassium hydroxide, or other solutions to create a chemical reaction. This type of capacitor is used in a variety of applications, such as providing electrical power in applications where space is limited, and is especially useful in portable electronics that use a limited amount of power.

Working Principle

The primary working principle of the tantalum capacitor is based on the idea that two conducting plates separated by an insulating material, called the dielectric, form a capacitor when electric charge is applied. When a DC voltage is applied, the electric field between the plates causes the positive charges to be drawn to the negative plate, leaving the positive plate with a net negative charge. The negative charge then attracts the positive charges on the other side of the dielectric, creating an electric field between the two plates. This electric field stores energy, which is available when the voltage is removed.

Application Field

T491A225K010AT4838 tantalum capacitors are especially useful in portable electronics, due to their small size and low leakage. Tantalum capacitors are also used in applications that require a high capacitance in a small package, such as medical monitoring systems and hand-held radio and communication equipment. Tantalum capacitors are also commonly used in power supplies. They are especially useful in switching power supplies, as they can store and release high voltages quickly and efficiently due to their low effective series resistance (ESR). They are also used in linear power supplies because of their high capacitance and low ESR, enabling them to store more energy for longer times.Tantalum capacitors can also be used in analog circuits to reduce noise and transient voltage spikes, as well as in automotive applications to reduce electrical noise. The low ESR makes them especially useful in LCD TVs, telephones, wireless equipment and other consumer electronics. Finally, T491A225K010AT4838 tantalum capacitors can also be used in industrial applications, such as power control and conditioning, and in automotive applications such as engine control and engine start. They are used in these applications because of their high capacitance and low ESR, enabling them to store energy quickly and efficiently.In conclusion, T491A225K010AT4838 tantalum capacitors are highly versatile electrical components that are widely used in a variety of applications due to their small size, high capacitance, and low ESR. Their various applications range from consumer electronics to automotive and industrial applications, due to their ability to store and release energy quickly and efficiently.

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