BN224I0224K--

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Film capacitors, which are also called film dielectric capacitors, are polarized capacitors with dielectric made of thin plastic film. The BN224I0224K is a film capacitor, which is widely used in power electronics and power supply. This article will overview the application field and working principle of the BN224I0224K.

The BN224I0224K is a type of non-solid aluminum electrolytic capacitor. Its rated voltage is 250V, rated capacity is 0.22μF, and the temperature range is -40°C to +85°C. This type of capacitor is suitable for switched-mode application, such as inverter, elevator control, electronic ballast, and motor drive. It has low distributed capacitance and can reduce high frequency noise. And its long life time steady reliable performance can handle severe load change. Moreover, the self-healing characteristic of this type of capacitor can protect the circuit from sudden power surge and it will not cause fire hazards when short-circuiting.

The working principle of the BN224I0224K is the same as other film capacitors. Its dielectric consists of polypropylene, polyester or polyethylene terephthalate (PET) film, and it has two conductive metal layers, which could form a capacitance between them. When the two conductive layers contact with each other, a conductive path is formed, which will short circuit the capacitor. When a current passes through the capacitor, it has the effect of storing and releasing energy, thus forming a capacitance.

In conclusion, the BN224I0224K film capacitor has wide application in many fields and it has some advantages. Its low distributed capacitance can reduce high frequency noise, and its long life time steady reliable performance can handle severe load change. Moreover, its self-healing characteristic can protect the circuit from sudden power surge.

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