184393K250RBA-F

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.354" (9.00mm)
Size / Dimension:	0.413" L x 0.157" W (10.50mm x 4.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	184
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±10%
Capacitance:	0.039µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Film Capacitors

Film capacitors are composed of two metallic electrodes, separated by a thin insulating film. The insulating film in a film capacitor can be made of polyester, polypropylene, polycarbonate, metallized polyester and other polymer materials. The advantage of using these materials as the dielectric for film capacitors is that they have a higher insulation resistance and are more secure.Total electrical capacity is the sum of capacitance of each individual layer and the number of layers. The capacity of the film capacitor is determined by several factors such as the thickness of the film, dielectric constant, size of the electrodes and the distance between electrodes.Film capacitors are available in a wide range of styles and ratings. For instance, 184393K250RBA-F capacitors are designed for use in moderate temperature environments. It is a specific type of film capacitor with high surge current capability and low inductance.The 184393K250RBA-F capacitors have a series in-rush current of 1400A and a surge current of 1000A. This ensures the safety of devices connected to it during high surge currents. The capacitors can also tolerate high operating temperatures of up to 70℃ at a rated voltage of 500V. This makes the device suitable for use in industrial applications such as welding machines, DC motor drives and electric tools.The working principle of the film capacitors is similar to any other capacitor. The dielectric material used in this specific type of capacitors acts as an electrical insulator. When a voltage is applied to the electrodes, an electric field is made across the dielectric. The electric field has the ability to store a certain amount of charge. This charge is known as the capacitance of the capacitor.The capacitance of the capacitor depends upon the combination of the area of the electrodes, dielectric constant, and the distance between the electrodes. The larger the area of the electrodes, dielectric constant, and the distance between the electrodes, higher will the capacitance be.In conclusion, film capacitors can be generally used for applications where high surge current is required and low inductance values are desired. 184393K250RBA-F capacitors are specially designed to provide superior surge current protection and high temperature operation capabilities. This makes them ideal for use in industrial applications. The working principle of the capacitors is that when a voltage is applied across the electrodes, an electric field is generated across the dielectric which can store a certain amount of charge thus providing the necessary capacitance.

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