Series:	Military, MIL-PRF-39003/9, CSR21
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±10%
Voltage - Rated:	20V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	110 mOhm
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:	B (0.1%)

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Tantalum Capacitors

M39003/09-2041 Application Field and Working Principle

Tantalum capacitors are electronic components that use the dielectric properties of tantalum to store an electric charge across two conductors, creating a variable capacitance. They are the most widely used type of capacitor due to their high stability, long operating life and low cost. The M39003/09-2041 is a high performance tantalum capacitor used in a wide variety of applications.The M39003/09-2041 is a miniature, surface mount solid tantalum capacitor with a tolerance of ±20%. It is designed for use in systems operating in temperatures between -55°C and +125°C with a rated ripple current of 0.9 A (maximum). The M39003/09-2041 has a capacitance of 47-476uF, which makes it suitable for a range of applications including power supply filtering, decoupling, noise filtering, and voltage smoothing. The M39003/09-2041 is available in two mounting configurations, the leaded C-Style and the SMD, and can be used in circuit designs with a wide range of supply voltages.The working principle of the tantalum capacitor is based on the dielectric properties of tantalum oxide, an insulating material that can be electrochemically modified with the addition of oxygen. This process creates a thin layer of electrically insulating oxide on the surface of the tantalum powder, which when placed between two conductive plates forms the basis of the capacitor. The capacitance of the capacitor is determined by the thickness of the oxide layer, the area of the conductive plates and the type of dielectric material used.Tantalum capacitors are constructed from a tantalum core and an oxide layer over each surface. When a voltage is applied to the capacitor, an electric field is created which causes mobile charges to move from the anode plate to the cathode plate. The capacitor is then charged, and any charge applied initially is permanently stored. When the capacitor is in use, electric charges flow from one plate to the other, depending on the voltage applied to it. The capacitance of the capacitor is attenuated as a result of these electric charges.In summary, the M39003/09-2041 is a high performance, solid, miniature tantalum capacitor with a tolerance of ±20%. Its capacitance of 47-476uF makes it suitable for a variety of applications, and it is designed for use in systems operating in temperatures between -55°C and +125°C. The M39003/09-2041 is available in two mounting configurations and works on the principle of the dielectric properties of tantalum oxide, allowing it to store and release electric charges.

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