T491D226K020AT4802

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):	800 mOhm
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	22µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491D226K020AT4802 is a type of capacitor widely used in electronic equipment for a variety of purposes. It is a high-performance, long-life device and is typically divided into two main types, chip and molded. Tantalum capacitors are used in many industrial and consumer electronic devices, including mobile phones, computers, servers, and switches.T491D226K020AT4802 capacitors are commonly used in applications such as decoupling, smoothing, and power supply filtering due to their low equivalent series resistance (ESR) and low leakage current. They also offer higher capacitance values compared to aluminum electrolytic capacitors, making them ideal for high frequency circuits.Functionally, the T491D226K020AT4802 tantalum capacitor is the functional equivalent of the standard capacitor, but with a different material composition. The main components of the device are a tantalum oxide dielectric, an anode, a cathode, and a solid electrolyte. The anode is typically made of sintered tantalum powder and is sealed in a metalized can to reduce the Faraday effect. The anode is then connected to an external lead for ease of connection.The device works by using the electrostatic field of the capacitor to store electrical energy, a process known as capacitance. When an external voltage is applied, a charge is stored on the two plates, with the device acting as a kind of energy reservoir. When the applied voltage is reversed, the charge is transferred to the internal dielectric, which acts as an insulating material. This stored energy can then be used for a variety of functions, depending on the application and circuit design.For example, in a filter application, the capacitor can be used to separate out unwanted high-frequency components of a signal and pass the lower frequency content. The capacitor is also often used in switching and ripple suppressing circuits, where it can reduce or eliminate voltage transients and help prevent the circuit from overloading or short-circuiting.T491D226K020AT4802 tantalum capacitors are also popular in RF circuitry applications due to their excellent high frequency performance. Their low ESR and high capacitance values make them well-suited for use in oscillator circuits, RF amplifiers, and tuned circuits.The T491D226K020AT4802 tantalum capacitor has been a workhorse of the electronic industry for many years, and its application field continues to grow. It is a reliable and reliable choice for many types of electronic circuits and equipment, from small mobile devices to servers and switches. Its low ESR, high capacitance values, and high frequency performance make it an ideal choice for a wide range of applications.

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