T491C475M035AT4153

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	0.110" (2.80mm)
Size / Dimension:	0.236" L x 0.126" W (6.00mm x 3.20mm)
Package / Case:	2312 (6032 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	2 Ohm
Type:	Molded
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	4.7µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are a type of passive electronic component which is used in a wide variety of electrical and electronic applications. They are constructed with a oxide film dielectric and an anode made of tantalum. The tantalum anode is typically surrounded by a metal case and then sealed with an epoxy compound. The capacitance of a tantalum capacitor depends on the physical size of the anode and the thickness of the dielectric layer. The T491C475M035AT4153 is one of the most commonly used tantalum capacitors.

Application Field

The T491C475M035AT4153 is a high-performance capacitive device that is designed and recommended for use in applications with an operating temperature range of -55°C to 125°C. This type of tantalum capacitor is commonly used in consumer electronics, automotive electronics, industrial electronics, and military/aerospace applications. It offers high degree of stability and reliability even when subjected to high temperatures, shock, and vibration. This type of capacitor is also well suited for decoupling and filtering applications.

Working Principle

When a voltage is applied to the capacitor, a current is created that flows from one electrode to the other. The electrical charge stored in the capacitor is proportional to the electric field strength between the two electrodes. The dielectric material on the surface of the electrodes acts as an insulator. The electric field causes the electrons accumulated on the surface of the electrodes to move between them and exchange energy. As a result, the capacitance increases, which further increases the amount of energy stored on the plates.The T491C475M035AT4153 has a large surface area, which allows it to store a larger amount of electric field energy, leading to a higher level of capacitance. It also has a high temperature coefficient, which makes it suitable for use in harsh environmental conditions. The current transfer impedance of the T491C475M035AT4153 is also good, which makes it ideal for smoothing supply ripples or buffering signals. It can also be used as a bypass capacitor that prevents unwanted crosstalk and helps to isolate signals.

Conclusion

The T491C475M035AT4153 is one of the most popular tantalum capacitor available on the market today. It has a large capacitance, a high temperature coefficient, and a good current transfer impedance, making it well suited for a variety of applications. It is often used in consumer electronics, automotive electronics, and industrial electronics, as well as military and aerospace applications. It is also very reliable, even when subjected to shock and vibration. Tantalum capacitors are an excellent choice for any electrical or electronic application and the T491C475M035AT4153 is a great example of one of these devices.

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