1-1879062-3

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Tantalum capacitors are a type of electrolytic capacitors, of which the anode is made of sintered tantalum powder and the cathode is made of an oxide layer built using the electrolysis of tantalum pentoxide (Ta2O5). This type of capacitor can be made with excellent performance characteristics, with superb high voltage capabilities and low ESR, as well as simplifying production processes.

Capacitance in a tantalum capacitor is achieved by the physical separation of the anode and cathode obtained by the combination of sintered tantalum powder and tantalum pentoxide, in which the powder acts as the cathode and the oxide acts as the anode. The difference between the layers creates the dielectric, or insulator, between and the electrical charge from the anode and cathode. The capacitance of the capacitor is determined by the physical space between the anode and cathode, which ultimately depends on the amount of sintered powder and amount of oxide.

The 1-1879062-3 that is often referred to in this type of capacitor is the device’s product code used by a manufacturer to indicate the parts series. In effect, the 1-1879062-3 is a capacitance, tolerance, temperature rating, rating voltage, and board design specified/identified on a company’s datasheet. With this device, the capacitance is 18μF with a 10V rating voltage and a range of –25°C to +105°C. The type of capacitor includes a Non-Solid-Aluminum Electrolytic structure with radial leads. This is a radial-leaded non-solid aluminum electrolytic type capacitor with solid tantalum pellet anode and with a series/parallel ending package.

The monolithic/PD tantalum capacitors use a uniformly distributed monolithic ceramic structure and are encapsulated in a plastic case. The plastic case utilizes a conformal coating that provides superior stability and capacitance performance, improved ESR reliability, and improved environmental endurance. These capacitors are smaller and lighter than other types, which allows for a high capacitance value in a much more compact package. Additionally, these devices are versatile, and can offer both low voltage and high voltage capabilities.

The working principle of a capacitance is based on the movement of charge. When a charged object is introduced near the anode, current flows to the anode, creating an electric field that draws the charged object toward it. This electric field affects the capacitance of the capacitor and increases the charge on the anode. Therefore, when the cathode of a capacitor is charged, it can take on more electrons until an equilibrium is reached. This creates a potential energy between the two plates, forming what is known as the electric field.

The main application fields for this type of capacitor are electronic equipment, such as computers, LCD televisions, audio amplifiers and other related products. It is also applied in medical systems, such as pacemakers and stethoscopes, as well as in automotive and aerospace technology. Moreover, these devices are often used in portable consumer devices like MP3 players.

This type of capacitor has become increasingly popular in recent years due to its excellent performance characteristics, high voltage capabilities, low ESR, and packaging flexibility. Thanks to its size, it is ideal for space-constrained applications and the high voltage capabilities of tantalum capacitors make them suitable for a wide range of industrial, automotive, and aerospace applications. The 1-1879062-3 tantalum capacitors have been developed to meet the industry\'s demands for higher power supply and high voltage operation.

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