M39003/01-3137

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Tantalum capacitors are widely used in mobile phones, computers, medical devices, military electronics, and other fields. The M39003/01-3137 is a molded surface-mount tantalum capacitor produced by Vishay. It is commonly used in many mobile phones and other electronic devices due to its convenience and low cost.

The M39003/01-3137 is a surface-mounted, hermetically sealed, and polarized capacitor with a Class 1 voltage rating of 6.3 VDC to 50 VDC. The case size is a 2.5mm x 2.1mm square, making it ideal for use in high density circuits. It offers a capacitance range of 10 μF to 47 μF, with a tolerance of ±20%. The ESR is also very low, with a typical range of 0.4 Ω to 6.0 Ω.

The main application of the M39003/01-3137 is as an input filter capacitor in DC/DC converters and switching power supplies. It provides low ESR to ensure a smooth current supply and stable operation of the converter. Its low profile also helps reduce the amount of space required for installation, making it suitable for use in a wide variety of electronic devices.

The working principle of the M39003/01-3137 is basically the same as any other tantalum capacitor. It consists of a tantalum anode, which is separated from the cathode by a dielectric layer of tantalum pentoxide. When a voltage is applied to the chip, an electric field is generated within the dielectric layer, which causes a current to flow between the cathode and the anode. This current creates an electric double layer, which stores energy in the form of a static charge.

When using the M39003/01-3137, it is important to note its specific characteristics and parameters. It has very low ESR, so it is important to select a proper input voltage in order to avoid damage to the capacitor. In addition, it has a high temperature coefficient of capacitance, so the temperature of the environment should be taken into consideration when selecting the capacitor.

In conclusion, the M39003/01-3137 is a popular and widely used surface-mount tantalum capacitor, which is ideal for use in high density circuits. It is commonly used in mobile phones and other electronic devices for its low ESR and low cost. Its operating principle is the same as any other tantalum capacitor, but it is important to note its specific characteristics and parameters to ensure proper use and stable operation.

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