T491A106K004AT4280

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):	4.5 Ohm
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±10%
Capacitance:	10µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors offer high capacitance levels and low ESRs in a small form factor. The T491A106K004AT4280 capacitor is a tantalum polymer capacitor, offering a higher volumetric efficiency than traditional tantalum electrolytic capacitors. It has a maximum capacitance of 10µF, a maximum working voltage of 4.3V, and an ESR of 0.0080Ω. This makes it suitable for a wide range of applications in both military and commercial electronics.The most common application of this type of capacitor is in decoupling circuits. Decoupling circuits are used to provide a clean power supply to sensitive components such as integrated circuits. The tantalum capacitor acts as a buffer between the power supply and the sensitive component, providing a smoother regulation of voltage and current. A smoother regulation ensures that the sensitive components receive a stable power supply, which increases the reliability and efficiency of the overall circuit. The T491A106K004AT4280 capacitor can also be used in high frequency switching applications. In these applications, a capacitor is used in conjunction with inductive elements such as chokes and transformers to change the voltage level of a signal. The tantalum capacitor is well suited for these applications due to its low ESR and its ability to handle high frequency signals.Another major application of the T491A106K004AT4280 is in power supplies. In a power supply system, the capacitor helps to filter out noise and ripples from the power source. This reduces the stress on other components in the power supply system and improves its overall efficiency. The capacitor also helps to reduce the current draw from the power source and helps to stabilize voltage levels during heavy loads.The working principle of this type of capacitor is based on Faraday\'s Laws of Electromagnetism. The capacitor consists of two concentric electrodes, separated by a dielectric material. When voltage is applied to the electrodes, a field is created between them, and the dielectric material acts as a barrier to prevent the flow of electric current. The strength of the electric field, and thus the capacitance, is determined by the type of dielectric material used, and the size and shape of the electrodes. In the case of the T491A106K004AT4280 capacitor, the dielectric material is a polymer film. The polymer offers excellent temperature stability and low ESR. The electrodes are made from Tantalum, which is an electrically conductive material. Due to its low ESR, the capacitor is able to store energy over a wide range of frequencies, making it well suited for high frequency applications.In conclusion, the T491A106K004AT4280 is a high quality, high performance tantalum polymer capacitor. Due to its high capacitance, low ESR, and stability over a wide range of temperatures, it is suitable for use in a variety of applications, ranging from decoupling circuits and high frequency switching to power supplies. Its working principle is based on Faraday\'s Laws of Electromagnetism, and it utilizes a polymer film dielectric and tantalum electrodes.

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