M39003/03-3042H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	15V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors are one of the most commonly used types of electrolytic capacitors in modern electronics. In particular, the M39003/03-3042H is a surface mount, tantalum-based capacitor that is usefully for a range of applications. This article aims to explain the application field and working principle of this capacitor.

Application Field

Tantalum capacitors, such as the M39003/03-3042H, are primarily used in the industrial sector as a means of providing power to the circuits and components within the system. The M39003/03-3042H itself offers numerous beneficial features, such as low leakage current, high capacitance values, and low ESR, that enable it to become the preferred choice for most high-reliability and environmental applications. Such applications include communication and automotive electronics, military and aerospace systems, robotics, computers, and more.

Working Principle

The working principle of a tantalum capacitor is similar to that of other types of electrolytic capacitors, in that it works as an energy storage device. By using an anode of tantalum and a cathode of metal oxide, two oppositely charged electrodes are formed on the top and bottom of the capacitor’s casing. This creates what is known as an ‘electric double layer’, in which the charged electrodes on either side of the casing act as a form of energy storage. When an external voltage is applied to the capacitor, it will store the electrical charge as energy, which can be used to power a circuit or component when it is needed. This makes them particularly useful for maintaining a steady flow of power.ConclusionIn conclusion, the M39003/03-3042H is a versatile and reliable tantalum capacitor that is perfectly useful for a variety of applications in the industrial sector. Its working principle involves the use of two electrodes with oppositely charged surfaces, enabling it to act as a form of energy storage and thereby providing steady power when needed. As such, it is the preferred choice for many communication and automotive systems, military and aerospace systems, robotics, computers, and more.

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