MPX225K305H

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Film capacitors (also known as Plastic Film Capacitors) are polymer dielectric capacitors which use a plastic film as the dielectric. They come in a variety of forms, including axial, radial-leaded, and surface-mount packages. They are characterized by high voltage resistance, high stability over frequency and temperature, and low parasitic losses. For these reasons, they are often used in filter networks, AC power circuits, and signal-processing applications. The MPX225K305H film capacitor is a voltage-sensing capacitor ideal for AC line-frequency applications. It is rated at 250 VAC, and features a 5mm lead spacing.

The MPX225K305H consists of a pair of foil plates encased in a plastic housing. The plates are separated by insulation (dielectric) film, which is made up of polyethylene, polypropylene, or polyester. The dielectric film is responsible for the electrical properties of the capacitor, such as capacitance and dissipation factor. The plastic housing serves to maintain the electrical characteristics of the capacitor over the specified operating temperature range. The leads of the MPX225K305H are made of tin-plated copper and enable the capacitor to be connected to other components in the circuit.

The MPX225K305H is widely used in high-frequency AC power circuits, such as AC line-frequency power supplies, AC line-frequency switching supplies, AC servo circuits, and AC-DC converters. It is also used in filter networks, which are responsible for removing unwanted frequencies from an audio or video signal, and in signal processing applications, such as sample-and-hold circuits and voltage regulators.

The working principle of the MPX225K305H film capacitor is based on the principle of capacitance. Capacitance is the ability of a capacitor to store electrical energy, and is measured in Farads (F). The MPX225K305H film capacitor works by storing electrical charge on its foil plates, which is proportional to the applied voltage. The electric field that is created between the plates stores the energy, which is released when the capacitor is discharged. This energy is used to supply current to the circuit, allowing it to function.

In summary, the MPX225K305H film capacitor is a voltage-sensing capacitor ideal for AC line-frequency applications. It is rated at 250 VAC, and features a 5mm lead spacing. This capacitor is widely used in filter networks and signal-processing applications, and works by storing electric charge and releasing it when discharged. Thanks to its low parasitic losses, high voltage resistance, and temperature stability, the MPX225K305H is an ideal component for many AC power circuits.

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