B81130C1223M

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Film capacitors are one of the most common capacitors used in electronic systems. They are particularly useful as active components in resonant circuits, providing a high frequency response at very low loss. The B81130C1223M is a special type of film capacitor specifically designed to meet the demands of these applications. This article will discuss the application field of the B81130C1223M and its working principle.

The B81130C1223M is a high-temperature, humidity-resistant polypropylene film capacitor. It has a coil-type construction, with an inner core of polypropylene and an outer layer of epoxy resin. This combination of materials makes it ideally suited for use in high-power, high-frequency applications. It has a rated voltage of 250V, a capacitance range of 0.001uF to 40mF, and a temperature range of -40°C to +125°C.

The B81130C1223M can be used in a variety of high-frequency applications, such as switch-mode power supplies, electronic ballasts, inverters, and resonant circuits. Its temperature and humidity resistance make it especially well suited for use in hot and humid environments, such as in automotive applications. It is also ideal for use in medical devices and other equipment that require dependable constant performance for long periods of time.

The B81130C1223M has a number of unique features that make it particularly suitable for resonant circuits. Its coil-type construction provides a high degree of stability, ensuring that the capacitor is capable of maintaining its capacitance values over long periods of time. This stability also allows the capacitor to be used in very precise frequency applications, such as those found in radio transceivers.

The working principle of the B81130C1223M is based on the fact that it is a polarized capacitor. When a voltage is applied to the capacitor, the dielectric material between the plates is bombarded with electrons, causing it to become polarized. This polarization creates an electrical field inside the capacitor, which is the source of the capacitance. The amount of capacitance is determined by the amount of voltage applied, the thickness of the dielectric, and the size of the plates.

When used in a resonant circuit, the B81130C1223M acts as a tuned circuit element. This means that it can be used to modify the frequency of the circuit by changing the capacitance. This can be done by changing the voltage applied to the capacitor, or by adjusting the area of the capacitor plates. When used this way, the B81130C1223M can provide precise and reliable frequency control for any application.

In summary, the B81130C1223M is a polypropylene film capacitor designed for use in high-power, high-frequency applications. It is particularly well suited for use in resonant circuits, as it can provide precise frequency control and is temperature and humidity resistant. Its working principle is based on the fact that it is a polarized capacitor, and the capacitance is determined by the voltage applied and the size of the capacitor plates.

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