Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	X
Lead Spacing:	--
Height - Seated (Max):	0.169" (4.30mm)
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):	400 mOhm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	470µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors - T491X477K006AH Application Field and Working Principle

Tantalum capacitors, also known as tantalum electrolytic capacitors, are a type of electrical energy storage device used in a variety of electrical and electronic applications. They are closely related to aluminum electrolytic capacitors in the way they work: both types of capacitors are polarized and must be connected with the correct polarity in a circuit. This particular type of capacitor is marked by its very high capacitance per unit volume, and its ability to withstand a wide range of temperatures.The T491X477K006AH is a specific model of high-performance Tantalum solid capacitor manufactured by Nichicon Corporation and widely used in a variety of industrial applications. It features excellent low-leakage characteristics combined with an ultra-broad temperature range (-55 to +125°C). The capacitance value is 47 µF while the rated voltage is 6 VDC. This specific capacitor is available in three different packages: E-Case, C-Case, and P-Case.The working principle of a Tantalum capacitor is similar to that of other electrolytic capacitors. It consists of two metal plates, an anode and a cathode, separated by an electrolyte solution. A voltage is applied to the capacitor, causing an electric field to form between the plates. This electric field causes the electrolyte solution to form a thin layer of dielectric insulating material between the plates, greatly increasing the capacitance of the capacitor.Tantalum capacitors such as the T491X477K006AH have a wide range of applications. They are commonly used in applications such as defibrillators, medical imaging systems, military and space applications, as well as other industrial and automotive electronics. The T491X477K006AH is widely used in high-current applications, such as automotive switchgear, and is also suitable for general-purpose circuit protection and decoupling applications.The T491X477K006AH is also used in a variety of consumer applications such as game consoles, home theater systems, laptop computers, and other consumer electronics. It is especially suited to applications where a high level of reliability and long-term stability are required.In conclusion, the T491X477K006AH is an excellent example of a high-performance, wide temperature-range Tantalum capacitor. Its low-leakage characteristics, combined with its wide operational temperature range, make it ideal for applications where a high level of reliability and long-term stability are needed. Its wide range of applications in the military, automotive, and consumer electronics industries make it an invaluable component in many fields.

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