B32642B6393J

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.709" L x 0.236" W (18.00mm x 6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B32642B
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	630V
Voltage Rating - AC:	400V
Tolerance:	±5%
Capacitance:	0.039µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors are a type of capacitor that utilizes a film barrier between two electrodes as the dielectric material. This type of capacitor provides high capacitance values in a small size, low leakage current, and high insulation resistance. The film capacitors are constructed using two metal electrodes that are separated by the dielectric film, which can be made of polythene, polypropylene, polycarbonate, or polyester. Due to the thinness of the dielectric film, these capacitors can provide high capacitance values in a relatively small form factor.

B32642B6393J Application Field and Working Principle

The B32642B6393J film capacitor is a two-electrode capacitor with polyester film as the dielectric material. It features good long term stability, high reliability, and low reactance, making it suitable for use in multiple application fields. The product has excellent electrical properties and high working voltage, which makes it suitable for applications in motor control, frequency conversion, filtering, and energy storage. The B32642B6393J capacitor works through the displacement of electrical charge by the dielectric medium. When a voltage differential is applied across the two electrodes of the capacitor, an electric field will be established across the dielectric film. This electric field’s energy is stored in the capacitor, with its magnitude determined by the thickness of the film and the magnitude of the voltage differential. When the voltage differential is removed from the capacitor, the charge stored in the capacitor will be discharged, thereby allowing the capacitor to function as a circuit component.

Benefits of Film Capacitors

Film capacitors are widely used due to their high capacitance values, low leakage current, and high insulation resistance. Unlike other types of capacitors, film capacitors are able to hold a high amount of charge in a relatively small form factor due to their thin dielectric film. This makes them a great choice for applications such as motor control, frequency conversion, filtering, and energy storage, where space is a factor. Additionally, their robust construction makes film capacitors less prone to noise, vibration, and shock compared to their ceramic counterparts.

Conclusion

Film capacitors are a type of capacitor that utilize a thin film barrier as the dielectric material. The B32642B6393J film capacitor is a two-electrode capacitor with polyester film as the dielectric material and is suitable for a wide range of applications. Film capacitors offer a number of advantages over other capacitor technologies, including high capacitance values in a small form factor, low leakage current, high insulation resistance, and robust construction.

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