M550B377M075BH

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Tantalum - Polymer Capacitors are widely used in a range of applications due to their excellent performance characteristics. The M550B377M075BH is a useful variant of the type, boasting a range of attractive features. This article looks at the application field and working principle of the M550B377M075BH.

Key Features

The M550B377M075BH has a tolerance rating of +/- 10%, an ESR of 75 mOhm at 120 kHz, and a capacitance of 0.33 F. It has a rated voltage of 4 Volts, with an operating temperature range of -55° to +125°C. The M550B377M075BH also has a low temperature coefficient of -300PPM/°, as well as being resistant to shock and vibration.

Applications

The M550B377M075BH boasts various advantages that can be applied in many areas of the market, such as automotive, telecommunications, medical and industrial sectors. The capacitors suitable for use in high power applications such as power converters, motor drives and switching power supplies. Its small size enables easy mounting and its good high temperature characteristics make it ideal for use in rough environments. This makes it suitable for use in a variety of harsh and demanding application fields.

The M550B377M075BH is also well suited to noise filtering and voltage regulation, particularly in switching power supplies. Its low temperature coefficient and high capacitance makes it ideal for use in power supplies with varying load conditions. Its low ESR and high capacitance also make it suitable for use in circuits that require a large amount of power at high frequencies.

Working Principle

Tantalum - Polymer Capacitors are based on the same principle as standard tantalum capacitors. They consist of two electrodes, separated by an insulating medium such as tantalum pentoxide. When a voltage is applied between the two electrodes, electrons flow from one electrode to the other, resulting in a capacitance between the two electrodes. The size of the capacitance is determined by the size of the insulator.

What sets a Tantalum - Polymer Capacitor apart from regular tantalum capacitors is the use of polymer instead of tantalum pentoxide. A layer of electrolyte is sandwiched between two layers of polymer, which provides an even better insulating barrier. This allows the capacitors to have very low ESR and higher capacitances. In addition, its higher dielectric strength allows for higher voltage rating as well.

Conclusion

The M550B377M075BH, a Tantalum - Polymer Capacitor, has a range of attractive features that make it an ideal choice for many applications. With its low ESR, high capacitance, and resistance to shock and vibration, it is well suited to use in power converters, motor drives, switching power supplies, and noise filtering circuits. It also has good high temperature characteristics, making it suitable for use in harsh and demanding application fields.

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