MKP1848C55090JK2

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Film capacitors have been one of the most popular capacitors that have been used in the last few decades in a variety of applications, owing to their superior insulation characteristics and flexibility in adapting to a wide array of environment conditions. Film capacitors are used in signal processing, lighting, power supply, transient protection, and many more. MKP1848C55090JK2 is one such film capacitor from Nippon Chemi-Con, and its uses and working principle are discussed below.

MKP1848C55090JK2 is specifically designed for applications in pulsed DC/DC converters. It comes in a SMD type packaging and is a chip-type capacitor with 4-pin lead terminals. It has a voltage rating of 250V, capacitance of 9.0 μF, and a high ripple current rating of 6,000 mA @125°C. Designed for applications requiring high-energy density, this capacitor has an ultra-small size and low ESL values, thereby making it suitable for high frequency and high frequency switching applications.

The film capacitor material used in the construction of the MKP1848C55090JK2 is self-healing polypropylene with an inherently low dissipation factor (DF) and an excellent ripple-current capability. The dielectric layer of this capacitor comprises of a segmented film dielectric with an insulating heat-lead that is put between the segments. This heat-lead helps in preventing electrical shorts due to excessive heat generated in high ripple-currents, thus improving its overall performance.

The MKP1848C55090JK2 has a wide operating temperature range from -25°C to +105°C and provides surprisingly good ripple-current capability, even with extremely small case size. This helps in reducing the load on the PC board and other components by providing less ripple current dissipation losses. The internal construction of the capacitor ensures an extremely low ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) that make this capacitor extremely suited for operating in high-frequency applications.

In addition, the MKP1848C55090JK2 has several safety features including a fuse assembly that is connected in-parallel to the capacitor. This assembly responds quickly to any electrical faults in the circuit and helps to prevent product damages due to excessive over-currents. The fuse assembly can be removed easily if the capacitor is required to be used in applications where high ripple-currents are not expected.

Overall, the MKP1848C55090JK2 from Nippon Chemi-Con is an excellent film capacitor that can be used in a variety of applications. It provides excellent performance in both high-frequency and high-ripple current applications, thanks to its small size and low ESL and ESR values. In addition, its construction ensures that it can handle high heat without any electrical faults, thus making it a highly reliable and durable film capacitor.

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