T491X227K010AT2478

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	X
Lead Spacing:	--
Height - Seated (Max):	0.169" (4.30mm)
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):	500 mOhm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±10%
Capacitance:	220µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491X227K010AT2478 is a type of tantalum capacitor, which is a type of electrolytic capacitor, a device made up of two conducting electrodes, separated by a dielectric. They are used to store a charge, typically for smoothing, decoupling and buffering in electronic circuits.The T491X227K010AT2478 series of tantalum capacitors is specifically designed for use in military and commercial aircraft and aerospace applications requiring high voltage, temperature, and vibration resistance. Its operating temperature range is -55 to +125 degrees Celsius, and its capacitance range is 0.47 to 4.7 Microfarad. With a durable design and long shelf life, it has a high resistance to vibration and shock, making it suitable for high reliability applications.T491X227K010AT2478 has an anode that is made of tantalum powder in the shape of a foil. A double layer of manganese dioxide and electrolyte fill the anode and cover it with a sintered layer. A second layer of foil made of aluminium is used to insulate the anode and act as a cathode. The two foils are then sealed in a hermetically sealed encasement, typically made of epoxy, glass, compound or metal.The internal construction of the T491X227K010AT2478 capacitors create a non- polarised and low equivalent series resistance circuit. This offers significant stability and higher efficiencies, making it suitable for switching, filtering, smoothing and other hard-working and high reliability applications, particularly in military and aerospace applications.The capacitance of the T491X227K010AT2478 can be affected by changing the applied voltage, temperature and self-discharge rate. As the voltage increases, the capacitance decreases, and vice versa. Temperature affects only the value of the capacitance. It increases as the temperature increases. As the temperature decreases, the capacitance decreases. Self-discharge rate also affects the capacitance, with higher self-discharge rates resulting in lower capacitance values.Overall, the T491X227K010AT2478 is a high quality, reliable and durable capacitor series, specifically designed to withstand extreme conditions in a variety of applications, including military and commercial aircraft and aerospace. It can be used for switching, filtering and smoothing in a range of electronic applications, and is generally a cost effective option for these requirements.

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