T491B225K020ZT

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	3.5 Ohm
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	2.2µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491B225K020ZT is an important component each in the field of electronics. In this article, we will discuss the application field and working principle. T491B225K020ZT is a tantalum capacitor with a very high corrosion resistance, plus a low rate and great overall quality. Its construction contains a ceramic body and two metal endcaps, which are made from either manganese or nickel. These types of capacitors are very useful for that kind of application where there is no possibility of frequent alternations in capacitance or values.This type of capacitor has an excellent volumetric efficiency and high performance in low-voltage applications. It also has an excellent charge/discharge characteristics, and it can tolerate extended periods of surge over-voltage. This makes them ideal for applications in analog and high-frequency circuits, like power supplies, portable electronics and aviation. The general working principle of a capacitor like T491B225K020ZT is the same as that of other kinds of capacitors. This capacitor is a passive component which works by storing electric energy as it is regularly charged and discharged. The energy stored in a capacitor is dependent on the magnitude of the applied voltage and the total capacitance in the capacitor. The total capacitance of the capacitor is determined by the capacitance of the dielectric material, plus the metal endcaps. The electrical charge of the capacitor is held between the two metal endcaps. When an electric current is applied to the capacitor, the electrical energy flows into the capacitor and is stored as electric energy. The charge stored in the capacitor can then be used in different electrical applications, such as providing voltage and current to other components on the circuit. T491B225K020ZT is also capable of providing a high level of electrical insulation during the time it is stored in the capacitor. This makes it ideal for applications that require a high level of electrical insulation, such as motor and solar power systems. Overall, T491B225K020ZT is an extremely versatile and reliable capacitor with a host of potential applications in many different areas of electronics. Its excellent durability and high levels of volumetric efficiency makes it ideal for low-voltage, analog and high-frequency applications. With its excellent charge/discharge characteristics and ability to withstand extended periods of surge over-voltage, it is a highly suitable capacitor for many different applications.

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