M39003/01-2732/TR

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Tantalum capacitors are widely used in a range of applications due to their higher capacitance and smaller size compared to other types of capacitors. The M39003/01-2732/TR is a type of pin-through-hole, radial leaded tantalum capacitor manufactured by Vishay Intertechnology, Inc. that is designed for power electronics applications, such as high-power switching power converters, power factor correction (PFC) circuits, and isolated dc-dc converters. The device is available in a range of standard tolerances and voltage ratings from 4VDC to 63VDC.

The M39003/01-2732/TR is constructed with a solid, sintered tantalum anode structure, along with a solid, corrosion-resistant electrolytic cathode structure. It has an excellent temperature coefficient along with an operating temperature range of -55°C to +85°C. This capacitor is available in case sizes B and P, with capacitance values ranging from 36μF to 220μF. It offers a wide capacitance-to-case size ratio with highly reliable performance, providing a long operational lifetime of up to 10,000 hours.

The M39003/01-2732/TR provides superior ripple current performance under high-temperature, low-frequency operating conditions. It also offers excellent self-healing characteristics, low Equivalent Series Resistance (ESR), and low leakage current. Furthermore, the device is RoHS (Restriction of Hazardous Substances) compliant and UL recognized. This ensures that it is safe to use in a wide range of industrial and consumer electronics equipment.

The working principle of the M39003/01-2732/TR is based on the application of an electrical field across the tantalum anode and cathode, creating a thin dielectric layer (an oxide layer) between them. As current flows through the capacitor, the electric field causes electrons to migrate from the cathode to the anode, forming a layer of positive charges on the cathode and negative charges on the anode. This charge separation across the dielectric layer creates an electric potential, resulting in a capacitive effect that stores electrical energy.

The dielectric layer is extremely thin, typically less than one nanometer. This ensures that the capacitor has extremely low leakage compared to other types of capacitors. Furthermore, the oxide layer helps to protect the capacitor from environmental hazards, such as humidity, corrosion, and contaminants. This helps to increase the lifetime of the device significantly.

The M39003/01-2732/TR is widely used for a range of power electronics applications due to its superior performance parameters, such as high capacitance and low leakage current, along with high ripple current capability. It is also RoHS compliant and UL recognized, making it a great choice for a wide range of industrial and consumer electronics equipment.

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