M550B128K040AS

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Tantalum-polymer capacitors are capacitors specifically designed to offer a robust solution to pulsed power applications. The M550B128K040AS is a reliable member of this family of capacitors, designed for applications in industries where high power and high current are required, such as automotive, medical, IT and industrial applications.

The M550B128K040AS has an operating temperature range of -55°C to +125°C, so it is well-suited to challenging applications, such as power supply conditioning or cooling systems. It has a unique Panasonic “Black Anode” electroplating process, which offers superior corrosion resistance and low leakage current. The SO AM and Ll AM package versions are both suitable for surface mount applications.

The M550B128K040AS can store and supply high power in a range of applications. It offers high energy density and low ESR values at high and low frequencies, making it a suitable choice for applications such as switching power supplies, AC motor drives and DC motor drives. It has an Electrical Operation Life of 2000 hours at +125°C, and impedance characteristics that remain consistently low even at higher temperatures due to Panasonic’s hot-amp stable construction.

The working principle of the M550B128K040AS is based on the concept of electrostriction - the transfer of charge across a dielectric material. The dielectric material acts as an insulator between two layers of electrodes, which are separated by a spacer. As a voltage is applied to the capacitors, the spacer is compressed, the amount of energy is transferred, and the capacitance of the capacitor is increased. This effect can be seen graphically in the cross section of the capacitor.

The M550B128K040AS is a reliable, low-cost capacitor for high power applications. It has excellent electrical characteristics and can handle high power pulses with ease. It has an expansive temperature range and can be easily integrated into existing systems, making it an ideal choice for designers who need a robust, reliable solution for challenging applications.

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