M39003/03-0257

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	P (0.1%)
Features:	Military
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
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:	20V
Tolerance:	±10%
Capacitance:	82µF
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 widely used components in electronics applications. They have the unique advantage of being able to provide high capacitance in a relatively small size and low cost package.The M39003/03-0257 capacitor is a specific type of tantalum capacitor. The device is a solid electrolytic capacitor with a non-solid electrolyte, constructed of an anode that is made of sintered tantalum pellets, a special insulating surface coating, a tantalum foil cathode, and an organic electrolytic coating. The main feature of this capacitor is its miniature size, making it ideal for use in high-density circuits with limited space.The M39003/03-0257 capacitor is mainly used for filtering applications, as it can effectively smooth out variations in voltage and keep it within a predetermined range. It can also be used for energy storage, where it can store energy from external sources and later release it for use by the circuit. Another application of the capacitor is in pulse-shaping, where it can shape pulses into desired shapes and reduce unwanted noise. Lastly, the capacitor can also be used for RF coupling, where it can be used to couple signals between two circuits.The working principle of the M39003/03-0257 capacitor is based on the principle of electrolysis. This is a process in which electric current is used to induce a chemical reaction between two substances. In the case of the capacitor, this occurs between the cathode and anode, with the cathode being the negatively charged and the anode being the positively charged terminal.When the capacitor is in its non-charged state, the anode is negatively charged, while the cathode is positively charged. As electricity passes through the two terminals, the electrons present in the anode transfers to the cathode, while the positive charges moves from the cathode to the anode. This causes a chemical reaction between the anode and the cathode, resulting in the formation of a protective film on the surface of the anode, called an oxide layer.This oxide layer prevents further transfer of electrons, resulting in the capacitance of the device. The amount of capacitance provided by the device depends on the size of the oxide layer, which can be varied by the application of different voltages to the capacitor. The higher the voltage applied, the larger the oxide layer and the greater the capacitance.In addition to providing a capacitance, the oxide layer also serves to protect the capacitor, preventing further oxidation of the anode, as well as providing a dielectric layer for RF and DC applications. As the voltage applied increases, the oxide layer thickens and the dielectric strength increases, providing increased protection for the capacitor.Thus, the M39003/03-0257 capacitor is a highly versatile device that is ideal for a wide range of applications. due to its miniature size; it is well suited for use in high-density circuits, as well as for filtering, energy storage, pulse-shaping, and RF coupling applications. The working principle of the device is based on the principle of electrolysis, and its capacitance is determined by the size of the oxide layer formed on the surface of the anode. This oxide layer also serves to protect the device and provide a dielectric layer for RF and DC applications, making it a highly reliable and effective component in many electronic applications.

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