T491D477M006AT7027

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):	400 mOhm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	470µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are passive components used to store electrical charge in an electronic circuit. These devices have advantages over other types of capacitors due to their low ESR, high capacitance, and wide range of operating temperatures, making them ideal for use in a variety of applications ranging from automotive to medical.The T491D477M006AT7027 is a specialized tantalum capacitor that has been designed with advanced features that make it a good choice for a number of high-performance applications. This device has a very low ESR of 0.67 Ohm and low parasitic inductance of 35nH, making it suitable for high current situations. Additionally, the T491D477M006AT7027 has a combination of small package size, low ESR, and large capacitance values, making it a great choice for electronic designs where space is at a premium.The T491D477M006AT7027 utilizes an anode-electrolyte construction that allows for greater repeatability and reliability. It also features a tightly packed dielectric layer between the anode and the cathode, which increases its capacitance and signal filtering capabilities. This construction helps the capacitor to maintain its capacitance and ESR characteristics over a wide temperature range of -55°C to 125°C.The T491D477M006AT7027 is an ideal choice for designers who need a low ESR, high capacitance device that can be used in applications with varying temperatures. Common applications for this capacitor include automotive electronics, power management systems, medical electronics, and RF communications.In addition to its versatile features, the T491D477M006AT7027 also has an extremely consistent performance, which makes it a great choice for discrete designs. It has also been designed to meet or exceed industry standards such as the IEC 60529 (IP-68) and MIL-PRF-19858C.When it comes to the working principle of the T491D477M006AT7027, it is quite simple. This capacitor is a two-terminal device with one positive and one negative electrode which form the cathode and anode, respectively. When the device is connected to a power source, a current is applied to the electrodes, creating a potential difference across them. This in turn allows for the charge stored within the capacitor to increase or decrease, depending on the current flow.The charge stored in the capacitor is strongly related to its capacitance value. This is particularly important when dealing with high frequency applications as a small change in capacitance value will have an effect on the signal quality. By choosing a capacitor with a well-tuned capacitance rating, designers can ensure clean and consistent signal performance in their designs.Overall, the T491D477M006AT7027 makes an excellent choice for applications requiring high performance, advanced features, and consistent performance. Its combination of low ESR, high capacitance, and tight dielectric layer between the electrodes allows it to provide high-quality signal filtering under varying temperatures. Additionally, its robust construction meets a variety of industry standards, making it a great choice for a number of power supply and RF applications.

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