M39006/21-0140

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Tantalum capacitors are a form of electrolytic capacitors that use a solid tantalum material as an electrolyte as opposed to the liquid or gel electrolytes used in standard aluminum electrolytic capacitors. They are useful components in electronic and electrical circuits for various applications due to their relatively low resistance and relatively small size compared to many other types of capacitors. M39006/21-0140 is a type of tantalum capacitor developed by Vishay Intertechnology. This article will provide an overview of the application fields and working principle of this type of component.

M39006/21-0140 components typically come in low voltage types, ranging from 2 to 10 volts. They feature a very low equivalent series resistance (ESR) of less than 1Ω at 1,000kHz. They are also highly reliable and have a long service life. The capacitance value ranges from 0.1 uF to 330 uF, with tolerances of ±20%, ± 20%. They are ideal components for use in applications such as communications equipment, instrumentation, medical equipment, avionics, and military systems.

The M39006/21-0140 series tantalum capacitors feature a curved rectangular case with a molded cover. The part numbers consist of 12 numbers and / or letters, separated by a hyphen. The components are marked with polarity for the anode and cathode. The operational temperature range is -55°C to 125°C.

The working principle of the M39006/21-0140 tantalum capacitor is similar to that of standard aluminum electrolytic capacitors. The positive pole of the tantalum capacitor is the anode, which is formed of a porous tantalum base material. This anode is coated with a layer of manganese dioxide which acts as an electrolyte, enabling current flow when a direct voltage is applied. The negative pole of the tantalum capacitor is the cathode, which is typically made of a conductive material such as niobium or zinc.

When a direct voltage is applied across the terminals of the M39006/21-0140 tantalum capacitors, an electric field is set up between the anode and the cathode. This causes the ions from the electrolyte to be attracted to the anode, allowing them to conduct current between the two terminals and thus storing electric energy in the electrostatic field created between them. This stored energy is later released when the DC voltage is discontinued, allowing the capacitor to act as an energy source.

M39006/21-0140 tantalum capacitors can be used in a variety of applications requiring modest current levels and rapid charge/discharge characteristics. These components are suitable for use in power supplies for computers, cameras, and cellular phones, as well as for voltage coupling in audio systems and telecommunications. Additionally, they can be used in automotive power systems, switching power supplies, motor drivers, clock circuits, and signal coupling/DC blocking circuits.

In conclusion, the M39006/21-0140 series tantalum capacitors provide an excellent solution for applications requiring low leakage, low losses, and high reliability. They are widely used in various industry and consumer applications due to their low equivalent series resistance, highly reliable operation, and long service life. In addition, the curved rectangular case and molded cover of the components make them ideal for use in cramped and compact devices.

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