M39003/03-2035H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
Features:	Military
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.185" Dia x 0.474" L (4.70mm x 12.04mm)
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:	±10%
Capacitance:	33µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum capacitors are electronic components that store electrical energy in the form of an electric field. They are used in a wide variety of applications, from consumer electronics to industrial applications. The M39003/03-2035H is a type of tantalum capacitor that is designed for special purpose use in circuit boards. In this article, we will discuss the application field and working principle of the M39003/03-2035H.Application FieldThe M39003/03-2035H is designed for high-reliability circuit boards and is the capacitor of choice in many industrial, computer, military, medical, and aerospace applications. This capacitor is constructed using a tantalum anode, dielectric layer, and two electrodes. The anode is formed of sintered porous tantalum, and the dielectric layer is made of manganese dioxide. The two electrodes are formed of silver or tin.The M39003/03-2035H is a high-reliability version of the M39003/03-2035 tantalum capacitor. It is a radial-leaded capacitor with a 0.30 inches maximum through hole diameter and a 0.2 inches maximum diameter. This capacitor offers excellent low-temperature performance and high reliability in a wide operating temperature range (-55°C to +125°C).It is a long-life capacitor, offering an endurance rating of one million cycles at full rated voltage. This capacitor has a polarized design, which ensures maximum polarization and prevents reverse polarity insertion. It also has a low ESR rating, which improves performance in high-frequency applications. Additionally, its ceramic-to-metal construction prevents corrosion and ensures a long working life.The M39003/03-2035H is compliant with RoHS and REACH requirements and is available in two voltage ratings: 10 VDC and 16 VDC. It is also available in five case sizes: 50, 100, 150, 200, and 250 µF.Working PrincipleTantalum capacitors are essentially miniaturized electrochemical cells. When a voltage is applied across the two terminals of the capacitor, an electrochemical reaction takes place. This reaction moves electrons and ions between the two electrodes, creating an electric field. This electric field is what stores the electrical energy. The larger the capacitance, the larger the stored electrical energy, and the higher the voltage rating, the higher the voltage that can be stored in the electric field.The M39003/03-2035H capacitor uses a manganese dioxide/tantalum construction to achieve high capacitance in a small size. The sintered porous tantalum anode is the positive terminal of the capacitor and the two electrodes are `"the negative terminal. When voltage is applied to the capacitor, the dielectric layer partially oxidizes the surface of the anode, forming a double layer of electrons around the anode. The electric field that is created between the two electrodes stores electrical energy.ConclusionThe M39003/03-2035H is a superior performance tantalum capacitor with high-reliability and excellent low-temperature performance. It is used in a wide range of applications where reliability and long life are important considerations. Its special design provides high capacitance in a small size and its polarization ensures maximum protection against reverse polarity insertion. The M39003/03-2035H is a high-performance, reliable capacitor for circuit boards.

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