M39003/09-3083H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/9, CSR21
ESR (Equivalent Series Resistance):	160 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±5%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor, which uses the unique properties of tantalum metal and its oxide as an electrochemical dielectric to achieve many advantages over other types of capacitors. The M39003/09-3083H capacitor, specifically, is a polarized capacitor designed for surface-mount applications. It is a device that is used to store and release electrical energy in an electrical circuit.

Application Field

The M39003/09-3083H capacitor can be used in all kinds of electronic devices, from cell phones to circuit boards. They are often used in consumer electronics products, such as radios, MP3 players, and other audio-visual products. In addition, they can also be used in medical equipment and industrial settings as well. This specific capacitor can also be used in portable electronic applications, since it boasts a rugged metal casing and a low profile design. Additionally, its surface-mountable design makes it ideal for applications where space is limited.

Working Principle

In order to understand the working principle of the M39003/09-3083H capacitor, it is important to first understand the basic principles of capacitance. A capacitor is, essentially, two conductors separated by an insulator. When a voltage is applied across a capacitor, the conductors become “charged”, storing the electric energy. The M39003/09-3083H capacitor works on the same principle, except that the dielectric between the two conductors is tantalum oxide. The advantage of using tantalum over other capacitors is that it has a much higher dielectric constant, which means it can store more energy in the same amount of space. Additionally, it also has a much lower leakage current than other capacitors, and is much less prone to chemical breakdown.

Construction

The M39003/09-3083H capacitor is comprised of a tantalum case, an anode, a cathode, and a dielectric layer. The anode is the positive terminal of the capacitor, while the cathode is the negative terminal. The tantalum case houses the anode and cathode, along with the dielectric layer, which is in between the two terminals. The anode of the M39003/09-3083H capacitor is a solid rod of electrolytic tantalum that contains a high amount of manganese dioxide. The cathode is a solid electrical contact, while the dielectric layer is an insulating material that is used to help maintain the capacitance of the capacitor.

Operation

When a voltage is applied to the M39003/09-3083H capacitor, an electric field is created between the anode and the cathode. This electric field causes the oxidation of the manganese dioxide in the anode, which forms a thin barrier of tantalum oxide between the anode and the cathode. This barrier of tantalum oxide acts as the dielectric of the capacitor, and stores the electric energy that is applied to the device. When the voltage is removed from the capacitor, the charge that is stored in the device is released. This is why the M39003/09-3083H capacitor is often used in applications such as radios and medical equipment, where a steady flow of electrical energy is needed.

Conclusion

The M39003/09-3083H capacitor is a unique device that offers many advantages over conventional capacitors. Its unique construction, using tantalum oxide as the dielectric, allows it to store more electric energy in a smaller space and with a lower leakage current. Additionally, its rugged construction and low profile design make it ideal for applications in consumer electronics, medical equipment, and other portable devices.

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