M39003/01-2684H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	P (0.1%)
Features:	Military
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.135" Dia x 0.286" L (3.43mm x 7.26mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/1, CSR13
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	100V
Tolerance:	±10%
Capacitance:	0.068µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors – M39003/01-2684H Application Field and Working Principle

Tantalum capacitors are a type of capacitor made out of tantalum. This type of capacitor is capable of offering a higher volumetric efficiency than other capacitor types such as aluminum electrolytic capacitors, giving it an advantage in applications where there is limited space for capacitors. It also has an excellent temperature stability and very low leakage current. Due to these characteristics, they are often used in industrial, telecommunications, medical, and automotive applications.The M39003/01-2684H is a surface-mount tantalum capacitor manufactured by Vishay Intertechnology. It is an axial-lead capacitor that has a powdered tantalum core and a conductive polymer film dielectric, with a metal endx plate. This type of capacitor offers an operating temperature range of -55°C to +125°C and up to 105°C for the reflow process. It has excellent electrical characteristics such as high volumetric efficiency, low leakage current, and a low equivalent series resistance (ESR).When it comes to the application field of the M39003/01-2684H, they are primarily used for filtering and bypassing in high power electronics, providing a way for electrical components to store energy. Some basic examples of this are in switching power supplies, high speed disc drives, and other types of switch mode power applications. They are also used in medical instrumentation and imaging equipment, where high reliability is essential, as well as in communications equipment due to its low ESR.The working principle of a tantalum capacitor is that a metallic oxide such as tantalum pentoxide layer forms the dielectric. There are two electrodes at either side of the oxide, one is made of tantalum or some other metal, and the other is made of a conductive material such as silver. When a voltage is applied to the electrodes, electric current flows from one electrode to the other, creating an electric field between them. When the voltage drops, the electric field is reduced, and an accumulated charge is stored in the capacitor until the voltage is reapplied.The M39003/01-2684H capacitor makes use of this principle, with the two electrodes being tantalum and conductive polymer. The conductive polymer acts as the dielectric, and when a voltage is applied, electric current flows from the tantalum electrode through the oxide layer and to the polymer electrode. When the voltage drops, the current stored in the capacitor is released. The advantage of using tantalum core over other alternatives is in its high volumetric efficiency, providing a higher capacitance than other capacitor types in a smaller size.In conclusion, M39003/01-2684H is a type of surface-mount tantalum capacitor manufactured by Vishay Intertechnology. It has excellent electrical characteristics, a high volumetric efficiency, and a wide operating temperature range, making it very suitable for applications requiring high reliability, such as medical instrumentation and imaging. Its principal of working is through two electrodes – one made of tantalum and the other of conductive material, with a metallic oxide dielectric between them. When a voltage is applied, current flows from one electrode to the other, and when the voltage drops, stored current is released.

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