T498B225K025ATE3K0

Operating Temperature:	-55°C ~ 150°C
Failure Rate:	--
Features:	General Purpose
Ratings:	AEC-Q200
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
Lifetime @ Temp.:	2000 Hrs @ 150°C
Series:	T498
ESR (Equivalent Series Resistance):	3 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are widely used in a variety of electronic applications. This type of capacitor is particularly well suited for use in applications where a very small form factor is required and/or when temperatures are high. As with all capacitors, tantalum capacitors store charge and can help filter out any unwanted frequency components from signals passing through the capacitor. The full part number for the tantalum capacitor model T498B225K025ATE3K0 is comprised of several parts that are used to identify the specific features, capabilities and characteristics of the component. Specifically, it is divided into the capacitance value, voltage rating, temperature tolerance ratings, and overall package sizes and styles. Most factories will also provide some information on the life expectancy estimates of each component, although this is not explicitly stated in the naming conventions. The capacitance value of T498B225K025ATE3K0 is 2.2 mF, which refers to the capacitance capacity of the component in microfarads. The voltage rating for this component is 25 volts, which is the maximum operating voltage it can handle without damage. The temperature tolerance ratings for the T498B225K025ATE3K0 unit range from -55 to 125°C, which is suitable for most standard commercial application environments and higher temperature industrial applications. The overall package size and shape of the T498B225K025ATE3K0 is 0.25 inch tall, and has a diameter of 0.36 inch. These measurements ensure the component can fit in tight spaces which may be necessary in more complex designs.

Application Field

Tantalum capacitors offer many advantages over other types of capacitors and are available in a variety of styles. This makes them suitable for many different application fields, such as power supplies, telecommunications, medical, avionics, and automotive. Power supply capacitors often require a high capacitance, or ability to store charge, and low ESR (equivalent series resistance). The T498B225K025ATE3K0 satisfies both of these qualities, making it an excellent choice for use in power supplies. The small package size, high computing speed and low ESR of the T498B225K025ATE3K0 also makes it suitable for use in telecommunications devices such as routers, switches, and transceivers. The greater amount of charge storage, compared to other capacitors, can also be beneficial in medical applications. Additionally, in more extreme applications such as avionics and automotive, the capacitor’s robustness, temperature tolerance ratings and long life expectancy make it an excellent option.

Working Principle

Like all capacitors, the T498B225K025ATE3K0 uses the phenomenon of capacitance. Capacitance is the ratio of the electric charge on two adjacent surfaces in a capacitor divided by the strength of the electric field between them. In a more simple way, it is the ability to store an electric charge between two conductive surfaces when a voltage is applied across them. The higher the capacitance, the more charge capacity the capacitor has. When an alternating voltage is applied across it, the capacitor will charge and discharge with the voltage. By doing this, the frequency response of the signal is altered. In the case of the T498B225K025ATE3K0, the capacitance rating of 2.2 mF means the component has an ability to store a charge of 2.2 microfarads, while the 25 volts of voltage rating will allow it to handle up to 25 volts of power before damage is sustained. The temperature tolerance rating of -55 to 125°C allows the capacitor to withstand a wide range of operating temperatures.

Conclusion

Tantalum capacitors are a type of capacitor that are increasingly being used in a variety of different application fields due to their small size, high capacitance and robustness. The T498B225K025ATE3K0 model is one such component that is particularly well suited for power supply, telecommunications, medical, avionics and automotive applications due to its ability to store a large charge, low ESR, small form factor and long life expectancy. The principles of capacitance are used to explain its working. Therefore, the T498B225K025ATE3K0 is an excellent choice for many applications that require a capacitor with all of these qualities.

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