T491A474M025ZT7111

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	13 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	0.47µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors T491A474M025ZT7111 is a type of tantalum capacitor, a device that stores an electric charge when a voltage is applied across its terminals. Unlike an electrolytic capacitor, which stores charge via the electrolyte solution, tantalum capacitors use a solid as the dielectric material, resulting in improved performance.A tantalum capacitor has two terminal electrodes. One of these is made from tantalum metal, and the other from an oxide of tantalum. The oxide layer works as an insulator, allowing charge to accumulate without leakage. The electrical characteristics of a tantalum capacitor depend largely on its construction, but they generally provide higher capacitance values than their equivalent electrolytic counterparts. T491A474M025ZT7111 capacitors offer a wide range of capacitance values, with a maximum value of 47µF. This capacitor is often used as an output filter or energy storage element in converters, power supplies, and other circuits with high frequency operating conditions. In general, its relatively low ESR and low leakage current make it suitable for usage in applications where long life and low-noise are desired.In its most common form, the T491A474M025ZT7111 capacitor is an annular disc with a metal jacket, which can be soldered directly to the PCB. The metal jacket serves to dissipate heat generated during operation and helps maintain the capacitor\'s stable temperature, allowing for consistent performance. It also increases the capacitor\'s heat resistance and helps it keep its shape.The traditional application of the T491A474M025ZT7111 capacitor involves storing and transferring power from one section of a circuit to another. It is also used for decoupling and filtering, as well as for EMI shielding. It is also advantageous in audio applications, where its low equivalent series capacitance helps to reduce crossover distortion.When designing with T491A474M025ZT7111 capacitors, the relative position of the capacitor terminals must be considered to ensure reliable performance. This capacitor is non-polarized, which means that there is no current flow between its two terminals until a voltage is applied. However, if the capacitor is miswired, the charge will flow in an undesired direction, leading to potentially damaging effects.In addition, care must be taken to ensure that the capacitor is not exposed to excessive heat or voltage. This can cause damage to the capacitor, leading to a reduced useful lifespan and potentially damaging the surrounding components.Overall, the T491A474M025ZT7111 capacitor is a reliable, versatile, and cost-effective device that is suited for a variety of applications where low-leakage, low-noise power supply is critical. Its high-capacitance ratings, good temperature stability, and lack of polarity make it an attractive option for a variety of power-supply designs.

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