T494D226K016AT

Series:	T494
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Tolerance:	±10%
Voltage - Rated:	16V
Type:	Molded
ESR (Equivalent Series Resistance):	250 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Features:	General Purpose
Failure Rate:	--

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Tantalum Capacitors: T494D226K016AT Application Field and Working PrincipleTantalum capacitors are unique components used in a range of electrical and electronic applications due to their wide range of differentiating characteristics. The T494D226K016AT capacitor is one such example of a tantalum capacitor with a particular application field and working principle. This article will provide an overview of the T494D226K016AT capacitor and introduce its features, application fields and working principle.The T494D226K016AT is a form of tantalum anode capacitor with a SMD (surface mount device) form factor. This component has a capacitance of 2.2μF and voltage rating of 16V. It is usually used in applications that require high ripple current handling, such as DC/DC converters and switching circuits. The T494D226K016AT has a low equivalent series resistance (ESR) of 79mΩ and high ripple current rating of 790mA. This component has an EIA (Electronic Industries Association) size code of “A”, which indicates an extreme compact size of 2.46 x 2.20 mm.The main application fields of T494D226K016AT capacitors are related to energy storage in high frequency and transient circuits, filtering, DC/DC converters, power supplies and voltage regulation. In switching circuits and DC/DC converters, the component can be used to reduce the effects of [power distribution and loop] noise. Due to its lower ESR and high capacitance, the component is also suitable for use in circuits with high dynamic current requirements and complex loads. The component also has a low temperature coefficient, thus providing significant stability over temperature variation.The working principle of the T494D226K016AT component is based on electrostatics. This component is constructed from two thin layers of sputtered Tantalum that acts as the anode and cathode respectively. An electrolyte material is added to the anode and a dielectric material is placed between them. When an electric field is applied between the two plates, an inverse electric field is created in the dielectric material. This generates electric field lines between the two plates, resulting in an electric charge storage action that is also referred to as a “capacitance effect”. This stored electricity can be used when needed and the capacitor can be recharged multiple times.The T494D226K016AT is a specialized component ideal for usage in high current electric circuits. Its low ESR, high ripple current ratings, low temperature coefficient, and small form factor make it suitable for usage in a wide range of applications. Its electrostatic principles of working ensure efficient charge storage and allow it to be recharged for multiple usage.

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