T491A104M035AT7280

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):	20 Ohm
Type:	Molded
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	0.1µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are capacitors that are designed using tantalum, a type of metal. A capacitor is an electrical component that stores electrical energy in its electrostatic field and releases it when needed. In simple terms, a tantalum capacitor is a mini battery that stores energy when there is an unequal distribution of electrical charges across the two plates in its internal structure. The T491A104M035AT7280 is an example of a tantalum capacitor.

Application Field

Tantalum capacitors are commonly found in computers, cell phones, and other electronic devices. They are often used in high-performance applications that require both high energy storage and high current handling capabilities. This includes applications such as power supplies and voltage converters, in which the capacitors are used to store and release energy on demand. Additionally, they are used in other applications such as motors, microcontrollers, audio equipment, and more.

Working Principle

Tantalum capacitors work by storing electrical energy in their electrostatic field. They consist of two plates made from a metallic material, along with a dielectric material placed between them. The plates are charged with a positive and negative charge, allowing them to store electrical energy. When an electrical current passes between the two plates, it is stored in the capacitor, with the voltage determined by the material between the two plates. When the current is no longer applied, the capacitor begins to discharge, releasing the stored energy back into the circuit.

Advantages

Tantalum capacitors offer several advantages over other types of capacitors, such as their relatively low cost and small size. They are able to hold a large amount of electrical energy in a relatively small package, while also having high current handling capabilities. Additionally, they offer high reliability and greater temperature stability than traditional capacitors, making them suitable for a variety of applications.

Disadvantages

Despite the many advantages of tantalum capacitors, there are some potential disadvantages. The most notable of these is the potential for self-destructing if the capacitor is exposed to overvoltage or a significant surge of current. Additionally, their capacitance can degrade over time, reducing the capacitor\'s performance. Finally, the cost of tantalum capacitors is typically higher than traditional capacitors, making them more expensive in certain applications.

Conclusion

Tantalum capacitors, exemplified by the T491A104M035AT7280, are a type of capacitor designed using tantalum metal. These capacitors are used in many electronic devices and offer several advantages such as high energy storage and current handling capabilities, reliability, and high temperature stability. However, they can also be susceptible to overvoltage and have a higher cost than traditional capacitors. In conclusion, tantalum capacitors are an ideal type of capacitor for many applications.

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