T491D476M020ZTPV10

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	700 mOhm
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±20%
Capacitance:	47µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors: T491D476M020ZTPV10 Application Field and Working PrincipleTantalum capacitors, also known as electrolytic capacitors, are an important and versatile type of capacitor. This type of capacitor is used for a variety of applications, including high-frequency, low-frequency and dc-dc converters, and can be easily found in modern technology applications. The T491D476M020ZTPV10 is a tantalum capacitor specifically used in relatively high voltage applications, such as signal and power distribution networks, as well as in smart grid applications.The T491D476M020ZTPV10 is a cylindrical capacitor with a diameter of 4.91mm, a length of 7.76mm and is rated at 20V. It is made from an etched cylindrical anode of tantalum which is wrapped in a chemically inert, dielectric layer of ceramic, sandwiched between two rectangular cathode plates. The dielectric material used in these tantalum capacitors is usually a combination of tantalum pentoxide, niobium and zirconium, which can result in a wide range of capacitance levels.The working principle of a tantalum capacitor is fairly simple. The positive and negative electrical charges on the capacitor plates create an electric field, which helps to control the flow of electrons through the capacitor. This electric field then helps the capacitor store the energy it needs to perform its various tasks. When a voltage is applied across the capacitor, the electrical field increases, allowing more electrons to flow through the capacitor, increasing its current capacity. This allows the capacitor to deliver more energy to the load.The T491D476M020ZTPV10 has a number of unique features that make it an ideal choice for its various applications. Firstly, the capacitor has a relatively high capacitance, allowing it to store a relatively large amount of energy. Secondly, it can handle relatively high voltages. The ceramic dielectric material used in the capacitor also provides excellent insulation, ensuring safety and extend the lifespan of the capacitor. Finally, it is designed to handle high operating temperatures, making it suitable for a range of environments.The T491D476M020ZTPV10 is a versatile capacitor and can be used in a variety of applications, including signal and power distribution networks, smart grid applications and other high voltage applications. In addition, it can be used in conjunction with electric motors to help increase their efficiency and performance. It is also often used as a bypass capacitor, providing a low-power route for signals to flow through the circuit.Overall, the T491D476M020ZTPV10 is an excellent example of tantalum capacitors and the wide range of applications they are used in. It provides high energy storage, high voltage handling and excellent insulating properties, making it an ideal choice for a multitude of applications.

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