M39003/01-7346/98

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Tantalum Capacitors

Tantalum capacitors are a type of capacitor that utilizes tantalum as the anode material. It is used for many different applications, from basic consumer electronics to automotive and aerospace applications. It is an electrolytic capacitor, which means that it stores energy in an electric field. The use of tantalum on the anode helps to provide a longer life, as it has a higher resistance to corrosion.

M39003/01-7346/98 Application Field and Working Principle

The M39003/01-7346/98 is a surface mount, ultra-small-size tantalum capacitor from Vishay, used in mobile phone and microcontroller applications. It employs a three-pin, dual-in-line configuration and is available in lead-free, RoHS-compliant package. The capacitance value ranges from 4.7µF to 18µF. These capacitors have an operating temperature range of -55°C to +125°C. The M39003/01-7346/98 has a voltage rating of 4V and is ideal for applications with high efficiency and low-EMI.

The working principle of the M39003/01-7346/98 capacitor is based on the principle of electrostatic field. A dielectric material (typically a foil) is placed between two towers of tantalum powder. The bottom of each tower is connected by two wires to a voltage source, while the top is insulated. The two towers will form a capacitive charge which can be used to store energy. When voltage is applied to the capacitor, charge accumulates causing an increasing electric field across the capacitor plates. This electric field results in a current flow, producing the desired capacitance.

The M39003/01-7346/98 capacitor is widely used in both analog and digital circuits due to its small size and high capacitance. It is found in applications such as power supplies, high speed data transmission, filtering, noise suppression and switching regulators, among others. Additionally, its small size and low EMI make it a good candidate for use in mobile phones and other portable devices.

Tantalum capacitors such as the M39003/01-7346/98 are considered low ESR parts due to their ability to store high amounts of energy with fewer losses. As such, they are often used in high-efficiency power supplies or in circuits that require discrimination between higher voltage levels. Additionally, due to their long service life and corrosion resistance, they are well suited for use in harsh environments.

In conclusion, the M39003/01-7346/98 capacitor is an ideal choice for a variety of applications due to its small size, low EMI, long service life, and excellent energy storage capability. Its capacitance value ranges from 4.7µF to 18µF and it is rated for up to 4V. It is suitable for use in both analog and digital circuits and is typically found in mobile phones and other portable devices.

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