473MWR400K

Operating Temperature:	-40°C ~ 105°C
Features:	Low ESR
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.276" Dia x 0.551" L (7.00mm x 14.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	MWR
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±10%
Capacitance:	0.047µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors: 473MWR400K Application Field and Working Principle

Film capacitors, also known as plastic film capacitors, are a type of capacitor that utilizes polymers film as the dielectric and substrate material. They are commonly used in the electronics industry due to their low ESR, high ripple current capabilities, and low inductance. The 473MWR400K is a specific model of film capacitor that is used in many applications due to its high capacitance for the smaller size. This article will discuss the application fields and working principle of 473MWR400K film capacitors.The 473MWR400K is a high-performance film capacitor designed for high-frequency applications such as switch-mode power supplies, radio frequency, and high-speed digital circuits. This capacitor is especially suitable for applications where space is limited and where low ESR and high current capability are needed. It is also useful in certain applications due to its high self-healing capabilities, which can help maintain high performance for prolonged periods of time.In terms of its working principle, 473MWR400K film capacitors utilize a thin dielectric film, usually made of polypropylene, polyethylene, or other plastic material, to construct a capacitor. This film-type capacitor is a polarized device, meaning that there must be a positive and negative terminal for it to work properly. When power is supplied to the capacitor, a current is created that charges up the dielectric film, creating an electromagnetic field. This field acts as an electric insulator and prevents current from flowing between the terminals.The capacitance of the 473MWR400K is determined by the size of the dielectric film, its thickness, the area of the electrodes, and the dielectric constant of the film. One of the advantages of using a film capacitor is its stability and reliability even when subjected to extreme conditions such as temperature changes or mechanical shock. This makes them suitable for use in high-performance electronics.The 473MWR400K has an extremely low ESR rating, which is an important factor in its capabilities. This means that the capacitor is able to maintain a high level of current for an extended period of time, which makes it ideal for applications that require uninterrupted power. Additionally, the film capacitor is able to handle high ripple currents which makes it a great choice for power circuitry and switching applications.In conclusion, the 473MWR400K is a high-performance and reliable film capacitor that is suitable for use in many applications. It is able to maintain a high level of current over an extended period of time and is capable of handling high ripple currents. This makes it a great choice for high-frequency, high-speed digital, and switch-mode power supply circuits where low ESR and stable operation are required.

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