T491B225M020AG

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:	±20%
Capacitance:	2.2µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are electrical components used to store electrical energy in a variety of different circuits, ranging from small signal applications to larger power circuits. The T491B225M020AG is a particularly popular type of tantalum capacitor due to its wide range of applications and excellent performance.The T491B225M020AG capacitors are a type of surface mount, multi-anode device. They are made primarily from tantalum, a metal that is highly stable, highly corrosion-resistant and non-magnetic, making it ideal for electrical components. The device has two terminals - a positive terminal and a negative terminal. The positive terminal is usually referred to as the cathode and the negative terminal is referred to as the anode. Current enters the capacitor through the cathode and leaves through the anode. The capacitance of the device is denoted by a letter and number code, where the letter indicates the voltage rating and the number indicates the capacitance in microfarads.The main application of this type of tantalum capacitor is for decoupling and bypass applications. Decoupling caps are used to reduce the effects of voltage fluctuations on the circuit by storing and releasing small amounts of energy in response to changes in the voltage across the terminals. Bypass caps are used to reduce the effects of noise and interference on the circuit by providing a low-impedance path for high frequency signals. The T491B225M020AG is particularly popular in these applications as it is rated for a wide range of voltages and can be used to provide both high and low capacitance values.T491B225M020AG caps are also commonly used in power supply applications. As the voltage across the terminals increases, the capacitance increases, allowing them to store more energy and therefore providing a buffer against voltage spikes or drops. This makes them ideal for use in power supplies, as they can regulate the voltage without being damaged.In addition to these applications, the T491B225M020AG also has a range of general benefits. The capacitor has an ultra-low equivalent series resistance (ESR) of 0.002 Ω, making it perfect for high current and high frequency applications. The device also has low dielectric absorption levels and excellent temperature stability, making it highly reliable in a variety of different environments.Overall, the T491B225M020AG is a highly versatile and reliable type of capacitor that is suitable for a wide range of applications. Its wide voltage rating, low ESR value and excellent temperature stability make it a popular choice for power supply and signal transmission applications.

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