M551B688M008AG

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Tantalum-polymer capacitors are ideal for applications that require high power density, high temperature operation, reasonable cost, high reliability and a low external profile like M551B688M008AG. This type of capacitor is an electrolytic capacitor, which is a capacitor which uses a solid electrolyte to achieve a larger capacitance than other types of capacitor. The operating temperature range of M551B688M008AG has been tested up to 125 °C, with a voltage rating of 6.3 VDC.

M551B688M008AG tantalum-polymer capacitor features a modified wetting characteristic, which allows a uniform and reliable mounting when using automated placement machines. The combination of the wetting characteristic and advanced ESR (Equivalent Series Resistance) architectures allow this capacitor to achieve low inductance, low ESR, and good thermal behavior even in harsh conditions. This makes them ideal for applications such as power supplies, signal line decoupling, and AC rectification.

The electrolyte used for this type of capacitor is typically a mixture of a polymer, or a solid solution of an organic acid or a mixture of an organic alcohol and an organic acid, with an aqueous-hydrocarbon solution as solvent, in combination with a potassium hydroxide and an organic polymer. The electrolyte also provides an anode layer of conductive oxide film, which is where the capacitance is obtained. This oxide film is generated by the migration of a proton in the electrolyte, and is in direct contact with the electrical connection terminal.

This type of capacitor behaves similarly to a rechargeable cell, and can be charged to a maximum voltage rating. When these capacitors are exposed to a polarity reversed voltage, the anode layer will collapse and the device will fail. For these capacitors, the resistance of the electrolyte decreases with an increase in temperature, and hence, the capacitance also decreases slightly with temperature.

The M551B688M008AG delivers a wide range of values, high reliability, and excellent performance. Additionally, high temperature operation, high power density, and low ESR makes it ideal for a wide range of industrial and military applications such as aerospace, defense, medical, communications, and automotive. In addition, this capacitor has a long life cycle, making them a cost-effective and reliable choice for many electronic applications.

To ensure reliable operation, the M551B688M008AG should be installed with the right polarity, taking into consideration the current and voltage ratings. For example, if the voltage rating is 6.3 VDC, then the current should not exceed the rated safe current. Moreover, they should only be used within their operational temperature range. Lastly, appropriate temperature derating should be taken into account when designing with this capacitor.

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