WMF05P39K-F

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Film capacitors, also known as Mylar capacitors, are passive electronic components that store energy in an electrical field. They are made from polyester with metalized foils and are commonly used in a variety of electronic applications. The particular model WMF05P39K-F is a plastic film capacitor featuring a wide variety of characteristics, making it ideal for a number of applications.

WMF05P39K-F capacitors feature a maximum working voltage of 400VDC, a rated capacitance of 0.047uF, a surge voltage of 600VAC, an operating temperature range of -25°C to +85°C, and a dielectric constant of 4.8. These characteristics make the WMF05P39K-F ideal for a variety of applications, ranging from power up delay circuits, various signal processing circuits, and surge protection circuits. In addition, the capacitors can be used in high-frequency switching circuits in power supplies or motor controls, as well as in various audio filtering circuits. The capacitors also feature a low equivalent series resistance (ESR), making them ideal for applications where low ESR is desired.

The working principle of a film capacitor is based on its construction. The capacitor consists of two layers of a dielectric material, usually polyester or polypropylene, with a metal foil on both sides. When a voltage is applied across the capacitor, an electrical field is created between the two layers, allowing charge to build up on both sides. This charge buildup forms an electric field between the two layers, which is responsible for the capacitor\'s ability to store electrical energy.

The WMF05P39K-F is a reliable, high-performance plastic film capacitor that is designed to meet a wide range of applications. Its wide temperature range, low ESR, and ability to handle high voltage surges make it an ideal choice for many applications. No matter what application the capacitors are used for, they will provide reliable performance for years to come.

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