M39003/01-2981/98

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are electrochemical capacitors that use tantalum as an anode and a porous oxide cathode (such as manganese dioxide). They are one of the most widely used types of capacitors and are widely used in consumer electronics, automotive, military and aerospace applications. The M39003/01-2981/98 is a tantalum capacitor of the following type.

Application Field

The M39003/01-2981/98 capacitor is designed for applications in high temperature and high vibration environments. It has a wide variety of uses in automotive, military, and aerospace applications, including electronic control systems, avionics, power supplies, and amplifier modules. It has a low equivalent series resistance (ESR) and high capacitance stability. It is also UL-recognized for safety and meets the shock and vibration requirements specified in MIL-PRF-19500.

Working Principle

The M39003/01-2981/98 capacitor is a wet tantalum capacitor. It uses tantalum for an anode and a manganese dioxide electrolyte for a cathode. Unlike aluminum electrolytic capacitors, the electrolyte is sealed between the anode and the cathode. Due to this, there is no need for a flexible separator as in aluminum electrolytic capacitors.

The principle of operation of this type of capacitor is based on an electrochemical reaction between the anode and electrolyte, in which ions from the anode are adsorbed onto the electrolyte. The ions then move through the electrolyte to form a "double-layer" of charge at the anode-electrolyte interface. This double-layer of charge forms a "capacitance" between the anode and electrolyte, which can be used to store electrical energy.

The M39003/01-2981/98 capacitor has a low ESR (equivalent series resistance) and high capacitance stability. It is capable of withstanding operating temperature up to 130°C and has a vibration rating of up to 40 G\'s. It is also UL-recognized for safety and meets the shock and vibration requirements of MIL-PRF-19500.

Advantages

The M39003/01-2981/98 capacitor offers a number of advantages over other types of capacitors. Its low ESR and high capacitance stability make it well-suited for applications in high temperature and high vibration environments. It is also UL-recognized for safety and meets the shock and vibration requirements of MIL-PRF-19500. Additionally, its manganese dioxide electrolyte offers superior endurance and reliability.

Disadvantages

The M39003/01-2981/98 capacitor has some significant disadvantages. Its electrical characteristics can be affected by age and humidity. Furthermore, its long term reliability can be affected by temperature and other environmental factors. Additionally, it is more expensive than other types of capacitors.

Conclusion

In conclusion, the M39003/01-2981/98 capacitor is a wet tantalum capacitor designed for applications in high temperature and high vibration environments. It offers low ESR and high capacitance stability, but is affected by age and humidity. Additionally, it is UL-recognized for safety and meets the shock and vibration requirements of MIL-PRF-19500. While it is more expensive than other types of capacitors, it offers superior endurance and reliability.

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