T491C226K025ZT

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	0.110" (2.80mm)
Size / Dimension:	0.236" L x 0.126" W (6.00mm x 3.20mm)
Package / Case:	2312 (6032 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	1 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	22µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are an important component of everyday electrical circuits and products. They are used in a wide range of applications including power supplies, computer and communications systems, automotive applications, medical instruments, industrial controllers, and military equipment. The T491C226K025ZT is a widely used tantalum capacitor, with its applications and working principle discussed in this article.

The T491C226K025ZT is a high-performance polarized electrolytic capacitor, prized for its high capacitance and low ESR (equivalent series resistance). This capacitor is made from tantalum, a material which has a number of favorable properties, including high corrosion resistance, low contact resistance, and low dielectric constant. The capacitor is composed of two metal electrodes separated by a tantalum oxide film, which acts as the dielectric between the electrodes. The dielectric is polarized, meaning that it can only be used in one direction.

The T491C226K025ZT is typically used in applications where its high capacitance and low ESR are beneficial. This includes high frequency power supplies, in which the low ESR improves ripple and transient response, and low impedance output stages, where the high capacitance helps filter and store energy. The capacitor can also be used in voltage regulator and power filter circuits. It is also used in audio and video applications, which benefit from its high capacitance and low ESR.

In operation, the capacitor works in a similar way to other electrolytic capacitors. When a voltage is applied to the capacitor, the voltage causes the dielectric to move electrons between the electrodes. This creates a capacitive effect, allowing the capacitor to store and filter electrical energy. When the voltage is removed, the electrons flow back to their original positions, and the capacitor discharges itself.

The T491C226K025ZT is well-suited for many applications due to its high capacitance and low ESR. It is also relatively inexpensive compared to other types of capacitors, making it an attractive option for a wide range of projects. As always, it is important to make sure that the correct capacitor is chosen for the application in order to ensure reliable and safe operation.

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