T491A475M010ZT Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
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
Lifetime @ Temp.:	--
Series:	T491
ESR (Equivalent Series Resistance):	4.5 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Tantalum Capacitors

Tantalum capacitors are a type of electrochemical capacitor that are used in a variety of applications. They are made by combining tantalum metal with an insulating oxide film to create a dielectric material. This provides excellent capacitance and allows for high-frequency operation.Tantalum capacitors have many advantages over other types of capacitors including lower equivalent series resistance (ESR), excellent frequency characteristics, lower bias current, superior reverse voltage characteristics, and they are available in small physical sizes. These features make tantalum capacitors ideal for use in high frequency switching circuits, signal processing, power supply filtering, and other applications requiring highly accurate, robust, and stable capacitance values.

T491A475M010ZT Application Field and Working Principle

The T491A475M010ZT is a type of tantalum capacitor that is designed for use in high frequency decoupling, filtering, and signal routing applications. Its features include a low profile (4 mm) for use in tight spaces, and a Capacitance range of 1.0μF, 2.2μF, and 4.7μF, with an operating voltage between 2.5 V and 16 V. It is also available with a variety of termination styles, including radial, axial, and SMD.The working principle of the T491A475M010ZT is quite simple. When a voltage is applied to the capacitor, a current will flow through the dielectric material from one terminal to the other. This current is proportional to the voltage and the capacitance, and thus when the voltage is changed, a corresponding change in current through the capacitor is seen. This current is usually filtered as it passes through the capacitor, and can be used for decoupling, filtering, and signal routing applications. The T491A475M010ZT has a high capacitance-to-volume ratio, meaning that it is able to store more charge and provide higher levels of filtering and decoupling than other capacitors with similar dimensions. Additionally, its low equivalent series resistance (ESR) ensures that it dissipates less power, providing more efficient operation.

Conclusion

Tantalum capacitors are a type of electrochemical capacitor that are used in various applications. They possess many advantages over other types of capacitors, including lower ESR, high frequency characteristics, lower bias current, and superior reverse voltage characteristics. The T491A475M010ZT is a specific type of tantalum capacitor that is designed for high frequency decoupling, filtering, and signal routing applications. It features a low profile, a capacitance range from 1.0μF to 4.7μF, and an operating voltage of 2.5V to 16V. The working principle of the T491A475M010ZT is based on the relationship between voltage, current, and capacitance, as well as its ability to filter and decouple current. The T491A475M010ZT’s high capacitance-to-volume ratio and low ESR make it an ideal choice for many applications.

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