255PMB850KS

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Film capacitors are multi-layer, non-polarized electrical components. They offer definite capacitance value, excellent frequency characteristics, and excellent stability in environments of high temperatures and humidities.

The 255PMB850KS polypropylene film capacitors from the Bourns family boasts an economically versatile, reliable design. It is cost-effective and has multiple applications in power systems, more specifically frequency conversion power supplies, snubbers, simulation/pulse applications, and AC motors.

The 255PMB850KS capacitors feature resistance to temperature, bending, and humidity thanks to their proprietary coating. They are constructed with metallized polypropylene film, high-grade resin, copper-plated brass leads, and partial discharge stability.

The 255PMB850KS capacitors offer high capacitance, high ripple current capabilities, good temperature characteristics, and low ESR. They feature a rated temperature of -25°C to +85°C, a voltage rating range of 250 to 450 volts, and a capacitance range of 0.022 to 4.7 µF. The 255PMB850KS can be used single-standalone, or in combination with film capacitors of other capacitances to meet the required application.

The working principle of the 255PMB850KS film capacitors is simple. An electric field is produced by electric charge through charge storage; this in turn creates capacitance. In the case of this product, the metallized polypropylene film acts as a dielectric, and an electrolyte absorbs the electric charge on the two plates. The electric field sends and stores the charge from the two plates. As a result, the capacitance is determined precisely by the intersection area of the plates, the dielectric constant of the film, and the thickness of the layer between the two plates.

In conclusion, the 255PMB850KS film capacitors from the Bourns family are reliable and cost-effective solutions for various applications in power systems due to their high data accuracy and magnificent characteristics. Their polypropylene film provides resistance to temperature, bending, and humidity, while the capacitance, voltage, and temperature ranges offer great versatility. Moreover, the working principle of the film capacitor is simple and well understood. The 255PMB850K is a necessary component in the modern industry.

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