M39003/03-4056

Series:	Military, MIL-PRF-39003/3, CSR23
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	--
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Height - Seated (Max):	--
Lead Spacing:	--
Manufacturer Size Code:	C
Features:	Military
Failure Rate:	D (0.001%)

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Tantalum Capacitors: M39003/03-4056 Application Field and Working PrincipleTantalum capacitors are rugged, compact, reliable, and lightweight electronic components designed to store electric energy. M39003/03-4056 is a type of tantalum capacitors built in a compact hermetically sealed case. These tantalum capacitors are typically used in military, aerospace, medical, and high-end industrial fields. In these demanding applications, the superior features of the M39003/03-4056 tantalum capacitors far exceed the standard features of other types of capacitors. The M39003/03-4056 series has a range of capacitance from 1.00 μF to 330 μF, and is available in various voltage ratings (ranging from 16VDC to 50VDC). The size of these capacitors can be customized according to the application. They are typically mounted in a through-hole configuration, and are also available in an SMD version.M39003/03-4056 tantalum capacitors use a tantalum metal anode consisting of porous sintered tantalum powder to form a solid electrolyte electrolyte. The case is filled with an high-viscosity electrolyte formed of various additives to form a solidified capacitor outer covering. The anode and cathode are connected to an external circuit using a ceramic or mica-insulated lead frame. This lead frame is then secured in place with soldering and welding, which holds it firmly against the capacitor outer covering and ensures a reliable hermetic seal.The lead frame is coated with a layering of insulation material, ensuring that the electric charge is not shared between the anode and cathode. The oxide layer is porous, which allows ions to move in and out of the capacitor, resulting in a higher capacitance value.The working principle of the M39003/03-4056 tantalum capacitors is based on the Law of Capacitance. metallic plates of opposite polarity are separated by dielectric material (typically tantalum oxide). The oxide layer provides the electrical properties of the capacitor, and it is essential for the capacitor\'s operation. The total amount of capacitance for the M39003/03-4056 is mainly dependent on the capacitance of the oxide layer, which will change with the voltage difference between the anode and cathode. Moreover, the capacitance of the tantalum capacitor will react to fluctuations of the temperature and electrical field, resulting in a higher capacitance value at low temperatures and reduced capacitance at high temperatures. In addition, the M39003/03-4056 capacitors provide very high volumetric efficiency, superior electrical stability, good ripple current performance, and a long life. This series offers voltage derating at temperatures of up to 125°C, allowing these capacitors to handle voltage spikes. Overall, the M39003/03-4056 series of tantalum capacitors offer an array of advantages over conventional capacitors. Their superior electrical properties and hermetically sealed package provide a high level of reliability and performance. They are widely used in mission-critical applications, where low ESR and high capacitance are required. In addition, their low-temperature, low-voltage, and high-ripple current ratings make them the perfect choice for demanding applications.

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