T491A684M020AT4153

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):	12 Ohm
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±20%
Capacitance:	0.68µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are components which are capable of storing energy and releasing it on demand. The T491A684M020AT4153 is a type of tantalum capacitor which belongs to a category of capacitors known as “surface mount” devices. Due to its surface-mounted design, it is extremely small, yet highly resilient and capable of withstanding moisture and other environmental factors. As a result of its size and robustness, the T491A684M020AT4153 tantalum capacitor has become a top choice for a wide range of application fields.A tantalum capacitor is able to store energy by using a material, such as tantalum, that has a large dielectric constant. The dielectric constant is a measure of a material’s ability to store electric charge. Therefore, when voltage is applied to a tantalum capacitor, the electric field generated between the capacitor plates creates an electrical charge on the dielectric material. This charge accumulates to create a potential difference between the capacitor plates; this is known as the “storage voltage”.The T491A684M020AT4153 tantalum capacitor is capable of storing large amounts of energy due to its relatively large capacitance value. It has an electrolytic “snap-in” design which decreases its physical size, making it an ideal choice for the space saving demands of today’s electronics and energy systems. The T491A684M020AT4153 is equipped with a conductive polymer solid electrolyte, allowing it to operate at temperatures ranging from -55°C to +105°C, making it one of the most versatile capacitors.Apart from its size and temperature capabilities, the T491A684M020AT4153 tantalum capacitor has many other advantages that make it a popular choice for applications. The extremely low EC (electrical leakage current), and a wide range of capacitance and temperature coefficients further increase its applicability. This type of capacitor does not degrade in performance over time, making it an excellent choice for extended use. Furthermore, its reliability, high-pulse loading current, high-ripple-current absorption capabilities, and wide capacitance range make the T491A684M020AT4153 a top choice for aircraft and other applications requiring extreme pressures or temperatures.There are many uses for the T491A684M020AT4153 tantalum capacitor, including but not limited to, power supply, memory backup, microprocessor voltage supplies, signal conditioning, non-volatile memory, energy storage, buffering, signal amplification and professional audio. As this type of capacitor is designed to absorb high-frequency noise, it is particularly suitable for electrical noise reduction in digital signal processing, and other embedded systems. Additionally, this type of capacitor is increasingly being used in hybrid cars, buses and other vehicles that rely heavily on electronic systems.Despite its many advantages, the T491A684M020AT4153 tantalum capacitor is not without its disadvantages. It is subject to reverse voltage failure, as well as an increased risk of failure when subjected to higher temperatures. Additionally, its small size and large capacitance values mean that the T491A684M020AT4153 requires a great deal of current to deliver its rated capacitance, which in turn leads to power loss. In conclusion, the T491A684M020AT4153 tantalum capacitor is a reliable and efficient component for a wide range of applications. Its small size and increased durability make it a top choice for many electronics and energy systems, and its large capacitance and excellent temperature capabilities make it perfect for applications with extreme conditions or pressures. It is subject to certain disadvantages, but these can often be outweighed by its many advantages and its ability to deliver consistent performance over extended periods of time.

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