M39003/03-3040H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
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:	15V
Tolerance:	±10%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to M39003/03-3040H

M39003/03-3040H is one of the most common types of tantalum capacitors. It is small in size and is plugged into circuits for applications such as filtering and power-supply decoupling. It consists of two terminals and a cylindrical-shaped anode which is made of tantalum powder material. The anode is covered with an insulating film known as electrolytic oxide, which acts as a dielectric.

Application Field of M39003/03-3040H

M39003/03-3040H capacitors are mainly used in applications where a compact size and high capacitance are desired. It is often used as a filtering component in power supplies, as well as in designs where filtering of signals with a low cutoff frequency is needed. Additionally, these capacitors can be used to prevent circuit noise due to the power supply. In addition to its filtering properties, the M39003/03-3040H has a low risk of failure, thanks to its construction. The material used for the anode is highly resistant to environmental factors such as moisture and temperature, and the capacitor undergoes a special process that further protects it from the environment. Furthermore, the wide temperature range and low dissipation factor make this capacitor an ideal choice for operations in harsh environments.

Working Principle of M39003/03-3040H

The working principle behind the M39003/03-3040H is the same as any other capacitor. It works by storing electric charge between the two terminals and acting as a barrier between them, blocking the flow of direct current while allowing the flow of alternating current. This is accomplished through a phenomenon known as capacitance. When two conducting plates are separated by a dielectric material, the capacitance is determined by the size of the plates, the distance between them, and the type of dielectric material used. In the case of the M39003/03-3040H, the tantalum powder material used for the anode acts as the dielectric. By varying the thickness of the dielectric layer on the anode, it is possible to adjust the capacitance value of the capacitor.

Conclusion

The M39003/03-3040H is a popular type of tantalum capacitor that is greatly utilized in applications requiring a small size and high capacitance. It works by storing electric charge between its two terminals and blocking direct current while allowing the flow of alternating current. The tantalum powder material used for the anode acts as the dielectric and the capacitance value can be adjusted by varying its thickness. This capacitor is reliable and can be used for operations in harsh environmental conditions.

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