ESR (Equivalent Series Resistance):	88 mOhms
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; Snubber
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.433" Dia x 1.142" L (11.00mm x 29.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C
Series:	PPA
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	3000V (3kV)
Voltage Rating - AC:	750V
Tolerance:	±10%
Capacitance:	4700pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors, also known as plastic film capacitors, are capacitors whose construction is based on thin plastic films. This type of capacitors is widely used because of their many advantages, such as high capacitance, low cost, and good stability. The 472PPA302KG is one of the most common types of film capacitors used in various applications.

Construction of 472PPA302KG

The 472PPA302KG is a polypropylene film capacitor. It consists of two thin metal plates called electrodes, which are separated by a dielectric film. The dielectric film is typically made of polypropylene, a thick semi-crystalline plastic that has a high dielectric constant. This dielectric material is covered by a metal foil on both sides, which serves as the electrodes. The two metal foils are then rolled together with the dielectric film between them to form a cylindrical shape. The capacitance of the capacitor is determined by the size and number of the metal electrodes.

472PPA302KG Application Field

The 472PPA302KG have a wide range of applications due to their good stability and relatively low cost. These capacitors are popular in automotive, audio, and industrial applications. In automotive applications, they are used as power filters to reduce power supply noise and reduce engine stall problems. They can also be used in audio equipment as coupling capacitors and filtering capacitors. In industrial applications, they are often used in high voltage equipment like welding machines and high voltage transformers.

472PPA302KG Working Principle

The 472PPA302KG film capacitor works by using the capacitance effect of the dielectric material between the two metal electrodes. When a voltage is applied across the two metal electrodes, a charge will build up on each of them, creating an electric field between them. This electric field will, in turn, create an electric field across the dielectric material, which will cause electrical charges to be held on each of the metal electrodes. The strength of this electric field is determined by the size and number of the metal electrodes. This is how the capacitor can store and discharge energy.

Conclusion

In conclusion, the 472PPA302KG is a polypropylene film capacitor that is widely used in various applications due to its good stability and relatively low cost. It works by using the capacitance effect of the dielectric material between the two metal electrodes. It can be used in automotive, audio, and industrial applications.

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