T491A335M025AT

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):	7 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	3.3µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum CapacitorsT491A335M025AT is a type of tantalum capacitor that is widely used in a variety of applications. Because of their unique properties, they are capable of providing a higher level of performance compared to other types of capacitors.The tantalum capacitors are typically composed of a tantalum electrode, a dielectric electrolytic layer and a terminal. The tantalum electrode is the component responsible for providing the charge storage, while the dielectric layer, also called the electrolytic capacitor, ensures that an electric field is created between the two terminals. The charge carriers are then distributed across the layers of the manufacturer\'s design. In addition to these components, the capacitors also contain a number of ancillary systems, such as a case for terminal isolation, for protection against excess current or for mounting purposes.In terms of performance, the T491A335M025AT capacitors are capable of higher voltage ratings in comparison to other types of capacitors. This allows them to be used in high-voltage or high-temperature applications, such as industrial motor controllers or power supplies. Moreover, they also have higher current ratings compared to other types of capacitors, allowing them to be used in more demanding applications.In terms of working principle, tantalum capacitors operate similar to other capacitors. When a potential difference is applied between the two terminals, an electric field is created, which causes the electrons to move to the anode, the positive terminal. At the same time, the anode attracts ions from the cathode, the negative terminal, and the ions then form a double layer across the dielectric layer. This is known as the double layer capacitance, which is responsible for retaining the tem from the positive terminal and thus creates a capacitive element.Finally, the T491A335M025AT capacitors also have a low ESR (Equivalent Series Resistance) when compared to other types of capacitors. This in turn allows for higher charge and discharge currents and improved operational performance. This makes them particularly suited for applications such as switching power supplies, where performance is critical to the end product.Overall, T491A335M025AT capacitors are an excellent choice for a variety of applications, offering a high level of performance. With their unique properties, they are able to provide excellent results in a wide variety of conditions, making them a reliable and cost effective choice.

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