T495A475K010ATE1K3

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.:	2000 Hrs @ 85°C
Series:	T495
ESR (Equivalent Series Resistance):	1.3 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±10%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are a type of capacitor made of tantalum, which is an electrochemical element with the chemical symbol Ta. Tantalum capacitors provide a high dielectric constant, making them suitable for use in a variety of applications. The T495A475K010ATE1K3 is a typical tantalum capacitor of the surface mount device series, with the letters T, followed by a number representing the capacitance in picofarads, follwed by the voltage rating (V).

Application Fields

Tantalum capacitors are primarily used in high-frequency, high-performance applications. They are often used in digital circuits, such as digital signal processors, which require a wide bandwidth and fast response time. They are also suitable for power-supply decoupling, which often requires high capacitance values. Tantalum capacitors are ideal for use in portable electronic devices such as mobile phones, where they are less expensive and smaller than other types of capacitors. The use of tantalum capacitors also eliminates the need for film or electrolytic capacitors, eliminating the risk of electrolyte leakage.

Working Principle

Tantalum capacitors are constructed of tantalum foil and electrodes which are separated by a dielectric material. The tantalum foil acts as the anode of the device, while the electrode acts as the cathode. When a voltage is applied across the foil and electrode, an electric field is created, which causes the foil layer to become polarized and charges the dielectric layer. This charge provides the capacitor with its ability to store energy. The major benefit of a tantalum capacitor is its high capacitance-to-volume ratio, which makes it ideal for applications where size is an important consideration. Its ability to handle extremely high levels of peak current and its excellent stability over temperature changes make tantalum capacitors well-suited for use in military and aerospace applications.

Conclusion

Tantalum capacitors have many advantages over traditional capacitor types, such as better temperature stability, higher capacitance-volume ratio, and lower price. The T495A475K010ATE1K3 is a typical tantalum capacitor, which provides excellent performance in a variety of applications. Its use of a tantalum anode and dielectric layer allows it to provide high capacitance and stability without the presence of electrolyte, making it an ideal choice for many applications.

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