199D157X0003D6V1E3

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	D
Lead Spacing:	0.200" (5.08mm)
Height - Seated (Max):	0.498" (12.66mm)
Size / Dimension:	0.236" Dia (6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Lifetime @ Temp.:	1000 Hrs @ 85°C
Series:	TANTALEX®, 199D
ESR (Equivalent Series Resistance):	--
Type:	Conformal Coated
Voltage - Rated:	3V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors are capacitors that use tantalum foil as the anode and are one of the most widely used components in the electronics industry. The tantalum capacitors with the part number 199D157X0003D6V1E3 is a standard type and usually applied in general-purpose circuit applications.Tantalum capacitors come in a variety of shapes and sizes and the structure of the capacitor depends on how much capacitance is required. The structure is made up of a tantalum foil anode which is sprayed with a non-corroding electrolyte. Around this the cathode is then wrapped and sealed in a plastic package to prevent leakage. The anode and the cathode are then sealed with a dielectric barrier material to form the capacitor.The main feature of this tantalum capacitor is that it has very high capacitance with low series resistance, and is very stable and reliable during use. It is more tolerant to voltage surges and, due to its surface mount construction, is perfect for repeated surface soldering which results in higher reliability and a longer product life.Tantalum capacitors are used in many circuits where high-frequency signals are used. They are used as noise suppression components in switching power supplies, and as buffering capacitors for voltage regulators. In addition, they are also used in computers to provide harmonic filtering for communications systems, timing circuits and other types of important high frequency circuits.The working principle of the tantalum capacitor is based on the reverse electrical charge of the anode and cathode. In this type of capacitor, the anode is a foil of the inert material tantalum, while the cathode consists of a porous layer of manganese dioxide (MnO2). When an external voltage is applied to the anode, a layer of oxide forms on the surface of the foil and electrons migrate to the opposite side resulting in an accumulation of negative charge on the anode. Since the cathode is made of a conductive material, it now also experiences a displacement of electrons and accumulates on its negative side. This results in a charge difference between the two poles of the capacitor, leading to the capacitance effect.In this type of capacitor, since the material of the anode is metallic, the polarization effect of the capacitance is highly stable. This means that once it has been constructed, the capacitance value is relatively constant over a wide range of temperatures and frequencies, making it ideal for use in most general purpose applications.The main advantage of the tantalum capacitor is its high stability and low series resistance. This means that once it has been constructed, it will remain within its tolerance even when subjected to varying temperatures and frequencies, making it an ideal choice for most general purpose applications. Furthermore, its high capacitance and low series resistance makes it ideal for providing both buffering and harmonic filtering in high-speed circuits.

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