5-1879063-3

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:	TYTR
ESR (Equivalent Series Resistance):	2 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	3.3µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Tantalum capacitors are the most commonly used type of capacitors in the world today. A tantalum capacitor is a type of electrolytic capacitor which consists of tantalum metal as its anode, and an electrolytic solution as its cathode. It is created by sandwiching a layer of tantalum powder between an anode and a cathode. The resulting assembly is then rolled to form a round or rectangular shape. The capacitance of the tantalum capacitor is usually in the range of 1-500nF.

Application Field

The major application of tantalum capacitors is in electronic power supplies and switch mode power supplies. In electronic power supplies, it can be used as energy storage and as a filter for rectified input power. It is also used to stabilize DC voltage sources and to provide quick current for switching applications. In switch mode power supplies, it is used for voltage stabilization and as a current source for the switching circuit.Tantalum capacitors are also widely used in aerospace, medical, communications and automotive industries. In aerospace applications, it is used for guidance, navigation and operation of radar systems. It is also used in medical instrumentation for tissue monitoring, and to provide current for measurement and monitoring systems. In communications, tantalum capacitors are used in radio-frequency circuit applications. It is also used in automotive applications to improve engine performance and make vehicle more efficient. Finally, tantalum capacitors are used in consumer electronics for power management, signal conditioning and memory keepalive circuits.

Working Principle

The working principle of a tantalum capacitor is the same as other electrolytic capacitors. The basic structure of a tantalum capacitor consists of an anode made of a tantalum metal oxide layer and an electrolyte as its cathode. When an electric potential is applied to the device, current flows through the electrolyte and the tantalum metal oxide layer. The current causes an oxide layer to be formed on the surface of the anode which acts as a dielectric material between the anode and the electrolyte. This forms a capacitive network between the two electrodes.The capacitor stores an electric charge proportional to the area of the plate and the thickness of the formed oxide layer. The capacitance of the tantalum capacitor is determined by the relative permittivity of the formed oxide layer, the cross-sectional area of the anode, and the thickness of the oxide layer. The values of these parameters must be accurately calculated in order to achieve the desired capacitance level.

Conclusion

To summarize, tantalum capacitors are widely used type of capacitors used for various electronic applications such as filtering, energy storage, voltage stabilization and current supply. The working principle of a tantalum capacitor is the same as other electrolytic capacitors, and its capacitance depends on the parameters of the oxide layer, the cross-sectional area of the anode and the thickness of the oxide layer.

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