199D476X06R3D2B1

Lifetime @ Temp.:	1000 Hrs @ 85°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	0.100" (2.54mm)
Height - Seated (Max):	0.400" (10.16mm)
Size / Dimension:	0.236" Dia (6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	TANTALEX®, 199D
Operating Temperature:	-55°C ~ 85°C
ESR (Equivalent Series Resistance):	--
Type:	Conformal Coated
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	47µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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<h2>Tantalum Capacitors</h2>Tantalum capacitors are small components typically used as decoupling capacitors and smoothing capacitors — typically in low-voltage, low-current DC circuits. A sticker or label on a capacitor will usually consist of three important pieces of information: the first and last characters will typically denote the capacitor’s working voltage, the two middle characters denote the decimal placing, and for more complicated capacitors it is possible for the last two characters to contain other information such as dielectric, capacitance tolerance and temperature specification. In the case of the capacitor “199D476X06R3D2B1”, the first and last characters denote the capacitor’s working voltage, which is 19.9 Volts. The two middle characters denote the decimal placing, in this case it is “47”, meaning the capacitance of the capacitor is 47uf. The last two characters denote the temperature specification of the capacitor; “06” denotes the capacitor is rated for operation at temperatures up to 105°C. Tantalum capacitors are characterized by their relatively high capacitance ratings and ultra-low impedance. This makes them well-suited to power-supply applications in medium voltage and high-power designs. They are also particularly well-suited for applications requiring long-term storage of energy, such as defibrillators and pacemakers. Furthermore, Tantalum capacitors can handle high ripple currents and provide low equivalent series resistance (ESR) with relatively low self-heating. This makes Tantalum capacitors particularly well-suited for high-frequency applications such as radios and audio amplifiers. The working principle of Tantalum capacitors is similar to that of any other capacitor. When a voltage is applied across them, an electric field is set up across the dielectric material between the two plates of the capacitor. This electric field stores energy in the form of electrostatic charge. The electric field between two plates contains energy stored in the capacitor that is proportional to the voltage applied across them. The electric capacity of a capacitor is determined by the amount of charge stored by it when the voltage across it is increased by a unit step. The dielectric material in a capacitor controls the amount of energy that can be stored within it. Tantalum capacitors use tantalum as the dielectric material. Tantalum is particularly well-suited for capacitors, because it has an extremely high dielectric constant (high capacitance) and can maintain this capacitance even as the operating temperature increases. Tantalum also has an extremely low leakage current (low impedance).A tantalum capacitor is typically smaller and lighter than other types of capacitors. This makes them beneficial for use in applications where weight, size and cost are of great importance. This is particularly true for large capacitors. The low leakage current and low ESR of tantalum capacitors makes them ideal for use in communication, medical and measurement systems that require stable and reliable power supplies. Tantalum capacitors are still being used in a wide range of applications today. As technology becomes increasingly complex, and power efficiency and reliability become ever more important, capacitors will remain relevant as a key component in systems that require stable, reliable, and efficient power supply. This is particularly true with respect to the capacitor “199D476X06R3D2B1”, which is suited for applications requiring a stable 19.9 Volt power supply, low equivalent series resistance, low self-heating, and operation up to temperatures of 105°C.

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