P278HE222M480A

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Film capacitors are widely used in a variety of applications and cover a large range of capacitance values. The P278HE222M480A is one example of a film capacitor. It is a polypropylene axial-leaded film capacitor specifically designed for low-frequency high-frequency matching applications.

A film capacitor is typically a capacitor constructed with a thin dielectric film such as polypropylene, polyester, polycarbonate, polyimide, polyethylene naphthalate (PEN), polyphenylene sulfide (PPS), etc. sandwiched between two metal plates. Film capacitors have a number of advantages over other types of capacitors. They have high dielectric stability, low temperature coefficient, low dissipation factor, and good insulation properties even under high temperatures.

The P278HE222M480A is a polypropylene film capacitor that is designed for low frequency high frequency matching applications. Its capacitance is 22nF, field voltage is 350V and its Working Temperature range is -40°C to +85°C. The capacitance of this device can range from 0.47nF to 0.1µF. It is usually used in printed circuit boards, SMD circuit boards, and flexible circuits.

The P278HE222M480A is constructed with a durable polypropylene film with a mylar sleeve along the leads for protection. It is made with a single-layer dielectric and uses a well-engineered construction that provides high precision and reliability. This capacitor utilizes a construction method where the two metal plates are metallized onto the film and the leads are leaded onto the metal plates. The metalized film and the leads are then encapsulated in an epoxy resin. This results in a capacitor with low ESR, low loss, and high stability.

The P278HE222M480A’s working principle is relatively simple. The two metal plates act as the voltage plates and the thin dielectric film acts as an insulator between them. When an electric current is applied to the capacitor, the charges on the metal plates build up and create an electric field. This electric field creates an opposing voltage across the film, which stores energy and creates capacitance. This capacitance is then used to filter and power various components in the circuit.

The P278HE222M480A is a great choice for applications requiring low frequency and high frequency matching. It is a reliable and durable capacitor that is capable of providing reliable performance for long periods of time, even under extreme conditions. Its relatively small size and high capacitance make it suitable for a wide range of electronic components, including converters, amplifiers, compensators, filters, and more.

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