M39003/03-4068H

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Tantalum capacitors are a type of electrolytic capacitor that has a tantalum powder core anode, with an oxide cathode and back plate for a charge storage element. Compared to other types of capacitors, tantalum capacitors have higher capacitance values and better stability than most other electrolytic capacitors.

The M39003/03-4068H is a series of miniature wet tantalum capacitors designed for use in military and aerospace applications. It is available in both axial and radial leaded packages, and can operate over a wide range of temperatures (-55°C to 125°C). The capacitance range of this series is from 4.7µF to 1000µF with ±20% tolerance, and it is rated for a voltage range of 4V – 50V.

The M39003/03-4068H uses tantalum powder core anode construction for the charge storage element, which is why it is able to provide high capacitance values in a relatively small footprint. The core anode is enclosed in a ceramic case, and the cathode is painted silver and pressed onto the core. An aluminum sleeve is placed around the case, and also acts as the back plate. This type of capacitor construction works by utilizing the electrolytic properties of the tantalum core anode to store the charge.

To use the M39003/03-4068H, an electric potential is applied between the core anode and the cathode. The electric potential will cause the tantalum core to oxidize, creating a positive charge on the core anode. The charge will be stored in the dielectric, which is the ceramic layer between the core anode and the aluminum sleeve. This stored charge is known as “equivalent series resistance” or ESR. The ESR of a tantalum capacitor is much lower than other types of capacitors, so it is able to provide better voltage regulation and improved stability.

The M39003/03-4068H is a wet tantalum capacitor, which means that it has an electrolyte in addition to the core anode and the ceramic layer. This electrolyte provides better reaction speed and temperature stability than other types of capacitors. The electrolyte also helps to reduce leakage during long-term use and ensures that the capacitor can operate for longer periods without any problems.

The M39003/03-4068H is ideal for use in military and aerospace applications due to its high capacitance values and its ability to operate over a wide range of temperatures. Its low ESR and the ability to provide better stability also make it suitable for use in audio and video circuits. It can also be used in power supplies and other DC circuits. The wet construction makes it ideal for battery operated circuits, as it can provide better energy efficiency and reliability.

Overall, the M39003/03-4068H series of wet tantalum capacitors is ideal for use in military and aerospace applications due to its high capacitance values, low ESR, wide temperature range, and wet construction. Its ability to provide better voltage regulation and improved stability makes it suitable for use in audio and video circuits, power supplies, and other DC circuits. Its wet construction also makes it perfect for battery-operated circuits, as it can provide better energy efficiency and reliability. With its wide range of features, the M39003/03-4068H series of wet tantalum capacitors are an excellent choice for many types of applications.

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