T491D475M050AT42807333

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):	1.2 Ohm
Type:	Molded
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	4.7µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are extremely useful in circuit applications due to their high voltage ratings and long life. They are also very reliable and have a good electrical performance. An example of a tantalum capacitor is a T491D475M050AT42807333. In this article, we will discuss the application field and working principle of this particular type of capacitor.T491D475M050AT42807333 is a surface-mount device that can be used for power supply filtering, signal bypassing, and transient voltage suppression. Its case size is EIA code T491D and its capacitance can be set from 0.47 to 6.8µF (microfarads). It\'s rated voltage is 50 Volts and it has an operating temperature range of -55°C to +125°C.The principle of operation of a tantalum capacitor is based on the same principles as other types of capacitors. This device stores electrical energy by accumulating both positive and negative charges of electricity on its two plates. Its two-terminal construction consists of a tantalum anode and a solid electrolyte on the other, separated by a thin layer of dielectric material, usually a oxide film. This oxide layer acts as the dielectric, or non-conducting material, to store the electrons and increase the capacitance of the device.When an electrical current flows through the capacitor\'s two air plates, it causes an equal and opposite reaction of the charges in both plates. This reaction produces an electrical field between the two plates, which cause the electric current to flow in one direction until the charges are completely balanced. At this point, the capacitor is said to be fully charged and it will continue to hold the charge until the voltage applied to the capacitor is removed.T491D475M050AT42807333 is ideal for high-voltage applications and can handle large currents and high temperatures. It is also used in power supplies and signal conditioning applications. It has some advantages over other types of capacitor, such as being able to withstand a higher ripple current and being more thermally stable. It is also resistant to high humidity and is particularly robust in high vibration environments.When using a T491D475M050AT42807333, the anode should face the positive voltage of the circuit and the dielectric should have the positive voltage side towards the anode. This will ensure that the capacitor is correct polarized and will provide the correct electrical performance. It is important to note that this type of capacitor has a limited life expectancy and will eventually wear out and need to be replaced.In summary, T491D475M050AT42807333 is a tantalum capacitor that is suitable for high-voltage applications. It has a two-terminal construction consisting of a tantalum anode and a solid electrolyte on the other, separated by a thin layer of dielectric material. The capacitor can handle large currents and high temperatures, and is robust in high vibration environments. It has a limited life expectancy and should be replaced when necessary.

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