MKP385475040JIP2T0

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Film capacitors, also referred to as plastic film capacitors, are a type of non-polarized capacitor made of thin plastic film as the dielectric. This type of capacitor is characterized by its small size, light weight, low loss, low cost, high stability, and excellent insulation performance. The MKP385475040JIP2T0 film capacitor is a two-terminal electrical component with a typical capacitance value of 1μF (10^-6F). It is typically used in high-frequency circuits such as TV tuners, audio amplifiers, and oscillators, and more.

The construction of the MKP385475040JIP2T0 involves using two sheets of thin plastic dielectric film which are very flexible due to the low dielectric constant of the plastic. The film is then laminated with metalized aluminum or copper foil layers that act as the electrodes. The film is then compressed together until the desired thickness is achieved and the capacitor is sealed. The two terminals of the capacitor are then attached to the foil layers.

The main advantage of the MKP385475040JIP2T0 compared to other types of capacitors is its high voltage tolerance, which allows them to be used in high voltage circuits. This type of capacitor also has excellent frequency response characteristics, meaning it can accurately detect and filter out higher frequencies while amplifying lower frequencies. In addition, the MKP385475040JIP2T0 is well suited for use in high temperature environments and has a wide operating temperature range of -55 °C to + 125 °C.

The working principle of the MKP385475040JIP2T0 involves using the electric field created by the difference in voltage between the two electrodes to store energy. When a voltage is applied across the electrodes, electric charges accumulate on the opposite sides of the electrodes, forming an electrolytic field. This field induces a current which is proportional to the applied voltage. As the voltage is increased, more charges accumulate, increasing the capacitance of the device.

The MKP385475040JIP2T0 is typically rated for a working voltage of 250 VAC peak and a capacitance tolerance of +/- 10%. It has a high ripple current rating of 2 Amps RMS, making it suitable for use in high-frequency applications such as switching power supplies, audio amplifiers, and TV tuners. It also has a low equivalent series resistance and a low self-inductance, making it suitable for use in circuits with high transient currents.

In summary, the MKP385475040JIP2T0 film capacitor is a small, light, and low cost capacitor that is well suited for use in high-frequency circuits due to its excellent frequency response characteristics, high voltage tolerance, wide operating temperature range, and low equivalent series resistance. It is capable of storing large amounts of energy and can effectively filter out higher frequencies while amplifying lower frequencies. It is suitable for use in high temperature environments, making it an ideal choice for many different applications.

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