M39003/09-0235H

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Tantalum Capacitors

A tantalum capacitor is a type of electrolytic capacitor, a component of electronic circuits. It is a non-polarized capacitor consisting of a pellet of tantalum metal as an anode, covered by an oxide layer acting as the dielectric, surrounded by non-conductive substance, and covered by an organic solvent. Unlike other electrolytic capacitors, tantalum capacitors do not require a polarity to operate. They are much smaller than aluminum electrolytic capacitors, and have greater temperature stability, higher capacitance for a given size, and much higher volumetric efficiency than other types of capacitors.

M39003/09-0235H Application Field and Working Principle

The M39003/09-0235H tantalum capacitor is a surface-mount, radial lead-type capacitor manufactured by General Devices Corporation. It is a non-polarized capacitor designed for use in military and space applications. It is available in a number of different capacitance values ranging from 1.0 μF to 10.0 μF. It has a maximum operating temperature of 85°C and a rated voltage of 10 VDC.

The working principle of the M39003/09-0235H is the same as any other tantalum capacitor; two dissimilar metals, one being tantalum and the other being an inert material such as an oxide or salt, are separated by a dielectric material. One of the metals (the cathode) is exposed to an electric current which causes oxygen ions to migrate to the other metal (the anode). This creates a layer of oxide on the anode, which acts as the dielectric layer. When a voltage is applied across the two metals, an electric field is generated which induces an electric current, and in turn, a charge differential between the two layers. This charge differential is what is referred to as the capacitance of the capacitor.

The M39003/09-0235H has a number of advantages over other types of capacitors. It is small in size, making it ideal for space applications, and it has a low DF and low ESL, meaning it is highly stable over a wide range of temperatures and frequencies. Additionally, it has a low leakage current, and its low ESR makes it suitable for high-frequency applications. Its high operating temperature range, 85°C, makes it suitable for use in high-temperature environments.

The M39003/09-0235H is ideal for use in military and space applications such as satellite communications, missile guidance systems, and power supplies. It can also be used in consumer electronics such as laptop computers, mobile phones, and digital camcorders. With its small size, low leakage current, high operating temperature, and high volumetric efficiency, the M39003/09-0235H is a reliable and versatile capacitor for a number of different applications.

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