T491B476K006ZT Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	T491
ESR (Equivalent Series Resistance):	2 Ohm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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T491B476K006ZT is a kind of tantalum capacitor. It is a kind of electronic component used to store electric charge. Generally speaking, it is made with tantalum oxide and manganese dioxide as the medium, and the lead wire and shell parts are made of polyphenylene sulfide material. It is mainly used in RF circuits, timing circuits, energy storage circuits and power supply decoupling circuit. As for the working principle of T491B476K006ZT tantalum capacitor, it should be mentioned that the same as other electrolytic capacitors, tantalum electrolytic capacitors also have a structure of two poles, two insulation mediums, and one electrolyte. The cathode of T491B476K006ZT tantalum capacitor is generally a manganese dioxide film, and the anode is coupled with the tantalum pentoxide formed by anodic oxidation on the outer surface of the tantalum wire. When the capacitor is connected in the circuit, the manganese dioxide film can be uniformly charged and formed a capacitor plate capacitance. T491B476K006ZT tantalum capacitor has a small volume, high capacity, and low DF (capacitance changes before and after transmission). It is mainly used in the filter circuit, energy storage circuit, power supply regulator circuit, and RF circuit and timing circuit. In the filter circuit, the T491B476K006ZT tantalum capacitor can filter the high frequency signal. In the power supply regulator circuit, it is served as the power supply decoupling to improve the effective stability of the power supply. In the energy storage circuit, it can effectively store energy. In the RF circuit and timer circuit, it can adjust the parameters of the circuit to achieve the purpose of frequency adjustment. In addition, T491B476K006ZT tantalum capacitor can also be used as an oscillating device, a frequency discriminating device or a time constant unit device. For example, it can supply an AC signal to the load, and then supply a DC signal after passing through the capacitor. The AC signal cannot pass through, which can independently control the frequency of the signal. Moreover, in terms of performance, T491B476K006ZT tantalum capacitor not only has high volumetric efficiency, but also has good high frequency performance and stable power frequency characteristics. What’s more, its self-healing property is also excellent. When it is overcharged, dielectric breakdown shall occur and then the capacitor will resume work after bypassing the breakdown current to protect the circuit from damage. Hence, T491B476K006ZT tantalum capacitor is a reliable and stable electronic component.In terms of safety, T491B476K006ZT tantalum capacitor can also ensure reliable operation. As the manganese dioxide film inside of the capacitor is an insulator, even if the voltage inside is high, the outer surface temperature will not rise rapidly and the outer body will not be damaged. And also, it has excellent solderability properties to ensure safe connection. In short, T491B476K006ZT tantalum capacitor is a reliable and stable electronic component mainly used in RF circuits, timing circuits, energy storage circuits and power supply decoupling circuit and so forth with many advantages such as high volumn efficiency, good frequency characteristic, excellent solderability, reliable operation and safe connection.

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