M39003/01-6045

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Tantalum Capacitors

Tantalum capacitors are generally used in the fields of mobile phones and digital consumer electronics, with high stability and reliability in extreme environments. The main advantages of these capacitors are their smaller size, light weight, higher energy density, lengthy life cycle and good temperature stability. The high dielectric strength of the materials used to manufacture these capacitors makes them ideal for highly-reliable space applications.

M39003/01-6045

M39003/01-6045 tantalum capacitors are designed with a high capacitance-volume ratio, low leakage and low dissipation. These robust electrolytic capacitors have an axial lead configuration and come in a variety of sizes ranging from 0.01uF up to 470uF. The capacitors can handle operating temperatures ranging from -55 to +85 Celsius, and have a voltage range of 2 to 20 volts.

Application Field

M39003/01-6045 tantalum capacitors are suitable for a wide range of applications, including automotive electronics and industrial and military systems. The capacitors can be found in a variety of consumer electronics and electrical devices, including LCDs, mobile phones, digital cameras, camcorders, audio amplifiers, portable systems, medical and automotive electrical systems, radios, and computers. Furthermore, the capacitors are also used in switch-mode power supplies, power filtering, and voltage stabilization applications.

Working Principle

Tantalum capacitors are constructed with tantalum metal powder which acts as an anode, a cathode lead, and a solid electrolyte. When the capacitor is charged, the charges move from the dielectric oxide layer of the anode to the metal powder, forming an oxide dielectric layer. This creates an electrostatic field between the two leads, which stores electrical energy. As current flows through the capacitor, the capacitor dissipates the energy as heat.

The electrolyte, usually manganese dioxide, acts as an ion transfer agent which moves ions from the anode’s oxide layer to the metal powder particles. This helps in keeping the voltage of the capacitor constant even when the temperature of the environment is changed. The capacitance of the capacitor is determined by its size, shape, and the type of dielectric material used in the anode.

Conclusion

M39003/01-6045 tantalum capacitors are ideal for automotive electronics and industrial and military systems due to their small size, light weight, high energy density, lengthy life cycle and good temperature stability. The capacitors are designed with a high capacitance-volume ratio, low leakage and low dissipation, and have a voltage range of 2 to 20 volts and an operating temperature range of -55 to +85 Celsius. The capacitors have an axial lead configuration and can be found in a variety of consumer electronics and electrical devices. The working principle of the capacitor is based on the movement of ions from the dielectric oxide layer of the anode to the metal powder.

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