M39003/01-7348H

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Tantalum capacitors are a type of electrolytic capacitor—a passive electronic component— used widely in the electronics industry. They are made from a sintered form of tantalum powder, which serves as a carrier for a chemically-active material, usually manganese dioxide. Their unique construction and design makes them one of the most commonly used passive electronic components.

M39003/01-7348H is an industrial grade tantalum capacitor manufactured by Vishay Intertechnology, used in a variety of applications such as consumer electronics, automotive, and aerospace. This surface-mount capacitor is rated for a nominal capacitance of 47µF, operating at a temperature range of -55°C to +125°C. It has a voltage rating of 35V and is rated for a ripple current of 1.5 amps.

Tantalum capacitors are electrolytic capacitors that use a tantalum cathode high-purity sintered anode and a special solid electrolyte, usually a manganese dioxide. This creates a capacitor whose anode has a high storage capacity with minimal self-discharge. Compared to other types of capacitors, such as ceramic capacitors or aluminum electrolytic capacitors, they are higher voltage components with lower leakage and better temperature stability.

The working principle of a tantalum capacitor is based on a thin oxide layer known as a dielectric. This dielectric is created when a voltage is applied across the terminals of the capacitor. This creates an electric field that causes a charge to be stored on the capacitor. The charge is stored for a period of time until the electrical field is removed.

The structure of the M39003/01-7348H capacitor is designed to withstand operation in harsh environments. It is supplied in a RoHS-compliant molded-case, with a tin-plated copper termination that has a maximum of ±4% capacitance tolerance. The capacitor also features a high dissipation factor of 0.5 watts/v, ensuring efficient transfer of energy. It also utilizes a hard anodized aluminum case for maximum thermal performance.

The M39003/01-7348H capacitor has a wide range of uses and applications in consumer electronics, industrial electronics, automotive, and aerospace sectors. In consumer electronics, it is widely used in power supplies and power adapters, motor control, DC-DC converters, and resonance circuits. In automotive, it is widely used for power system stability and line smoothing. In aerospace, it is used for stabilizing power supplies, digital signal processing, and oscillatory circuits.

Overall, the M39003/01-7348H capacitor is an exemplary representative of the whole tantalum capacitor family. With its RoHS-compliance, reliable performance, and wide range of applications, it is an ideal choice for a variety of projects that involve high output voltages and currents.

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