M39003/01-8187H

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Tantalum capacitors are specialized electrolytic capacitors that feature an anode composed of a sintered tantalum pellet and a cathode composed of an oxide layer of tantalum material that forms within the anode body when oxidized. Incorporated into such capacitors, the M39003/01-8187H allows for a wide range of applications and can meet the needs of a variety of industries. In this article we will discuss the application fields and working principle of the M39003/01-8187H.

Applications

The M39003/01-8187H offers multiple applications to many types of industries. Its high voltage and current ratings of 8V to 50V and 2mA to 2.5A, respectively, give it the flexibility to be efficient in various creations. These include, but are not limited to, RF filters and bypassing of DC circuits, where its powerful electrolyte is essential. Its ability to provide both low equivalent series resistance and excellent frequency characteristics make it suitable for use in sensitive oscillator circuits, where its relatively small size and light weight give it the desirable a fitting in minimal space or construction projects.

The M39003/01-8187H also offers superior performance in extreme temperature environments. With its higher rated temperature of 85°C, it can be used in temperature spaces of up to 85°C with no derating needed. As such, it is ideal for applications in the automotive, military, aerospace, and medical sectors where high temperatures and low failure rates are imperative.

Working Principle

Tantalum capacitors work on the principle of a high-polarization electron storage material, such as tantalum, being sandwiched between two electrodes. This sandwich is then connected in such a way that when a voltage is applied to it, a current flow takes place and charges the capacitor. The M39003/01-8187H utilizes this concept, boasting the highest resistance to dry heat in the industry. In addition, it is also immune to frequency dependent changes to its capacitance and voltage, a key trait in its ability to be a dependable capacitor in any circuit type.

The construction of the M39003/01-8187H consists of a tantalum pellet, an electrolyte and two electrodes. The tantalum pellet serves as the anode and is composed of sintered tantalum material, while the two electrodes serve as the cathode and are composed of an oxide layer of tantalum material formed within the anode body when oxidized. This is then sealed by a polymeric material to prevent the electrolyte from evaporating, thus resulting in a very efficient and dependable capacitor.

The working principle of the M39003/01-8187H entails the device acting as a dielectric between the two electrodes. It works by charging and discharging the pellet in order to create a current, which is then regulated and controlled by the applied voltage and the conductive oxide coating of the electrodes. This creates an efficient charge flow, which is the key to the capacitor’s performance.

Conclusion

In conclusion, the M39003/01-8187H has versatile applications and a dependable electrolyte allowing it to outperform other tantalum capacitors in its class. It is capable of very high current and voltage ratings, allowing it to be used in extreme temperature environments without derating. Its efficient working principle is enabled by its construction of a tantalum pellet, electrolyte and two electrodes, resulting in a dependable dielectric and efficient charge flow.

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