M39003/03-0421

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Tantalum capacitors are the leading type of capacitors used in various types of electronic circuits. Their most common use is as energy storage devices. These capacitors can store a large amount of electrical energy, making them ideal for a variety of applications. This article will focus on the M39003/03-0421 application field and working principle.

The M39003/03-0421 is a surface mount tantalum capacitor of the \'case\' style design. It is a polarized capacitance device, meaning that it must maintain a certain orientation in order to operate correctly. It is designed for high reliability applications where performance is critical such as military, aviation, or medical applications.

The main purpose of the M39003/03-0421 is to store electrical charge for long periods of time. The current capacity of the device is up to 25A. The voltage rating for this device is 35V, and the temperature range for operation is between -55 °C and +125 °C.

The basic working principle of a tantalum capacitor is that two metal plates are separated by an electrolyte which is usually a material such as manganese dioxide or tantalum pentoxide. A voltage source is then applied across the plates, causing an electric field to build up across the plates. The electric field causes a transfer of electrons from one plate to the other, resulting in the storage of electrical charge.

The M39003/03-0421 is an precision-level device, meaning that it has much more accurate performance characteristics than standard tantalum capacitors. The capacitance value of the device is rated at 42μF, and it has a tolerance of ±20%. The ESR (Equivalent Series Resistance) in this device is also low, typically in the range of 0.03 to 0.08 ohms.

The M39003/03-0421 is a radial device and is available in either through-hole or surface mount packages. The device is also incased in a soft rubber mold that helps protect the device from environmental conditions such as moisture, dust, and shock. Additionally, the device is RoHS compliant and has a low flammability profile.

The M39003/03-0421 is an ideal choice for high reliability and high precision applications. Its low ESR ensures that there is minimal loss of energy when operating and the soft rubber mold helps to protect the device from harsh environmental conditions. Its wide voltage rating, high current capacity, and temperature range also make it suitable for many different types of applications.

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