M39003/09-2004H

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Tantalum capacitors are ubiquitous in modern electronic circuits due to their lightweight design, cost-effective production, and reliability. The M39003/09-2004H tantalum capacitor is a specialized unit designed specifically for use in spaceflight applications. This article will discuss the application field and working principle of the M39003/09-2004H capacitor.

The M39003/09-2004H is a surface-mount tantalum capacitor designed to have robust performance in extreme high and low temperatures, high vibration environments, and radiation. It is ideal for applications that require a lightweight, space-constrained component such as aerospace, defense, communications, and industrial electronics. The electrical performance of this unit is excellent, with an operating voltage of 50 Vdc and a capacitance of 220μF.

The M39003/09-2004H has a two-terminal construction with a hermetically sealed case and two sets of contact leads. The leads are tin-plated for maximum conductivity and are automatically bent to fit into the 0.37 inch space allotted on the PCB. The hermetic seal of the case ensures the capacitor will operate unaltered under any vacuum pressure or temperature extremes in its application environment.

The capacitor works by storing electrical charge on a pair of plates which are separated by a solid dielectric such as aluminum oxide. The dielectric determines the capacitance rating of the unit, with higher capacitance ratings corresponding to thicker dielectrics. The M39003/09-2004H capacitor has a solid tantalum pentoxide dielectric which offers excellent performance in high-temperature and high-radiation conditions.

The M39003/09-2004H has a temperature range of -55°C to +125°C and is resistant to radiation up to 2x105 Rleads. It has a very low ESR (equivalent series resistance) rating of 0.25 ohms maximum and a maximum ripple current of 1.015 A. The capacitor also features a low ESR which allows for better signal integrity, more reliable performance, and longer operation life.

The M39003/09-2004H is an ideal solution for applications that require a lightweight, versatile, and reliable component. Its hermetically sealed case and electrical performance ratings make it well suited for spaceflight applications. Its temperature range and resistance to radiation also make it an excellent choice for defense, communications, and industrial electronics applications.

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