BFC233812334

Operating Temperature:	-50°C ~ 105°C
Features:	--
Ratings:	X1
Applications:	EMI, RFI Suppression
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.906" (23.00mm)
Size / Dimension:	1.220" L x 0.512" W (31.00mm x 13.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP338 1
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1000V (1kV)
Voltage Rating - AC:	440V
Tolerance:	±20%
Capacitance:	0.33µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction of Film Capacitors

Film capacitors are electrical components made from a thin plastic film coated with a dielectric material and wound onto an insulating substrate. The most common type of film capacitor is a polyester capacitor or metalized polyester capacitor, used widely in a range of consumer products such as televisions, radios, and laptop computers. These capacitors offer excellent temperature stability, excellent frequency stability, and good insulation resistance. Other types of film capacitors include polycarbonate capacitors, polypropylene capacitors, and polycarbonate-polypropylene capacitors.

BFC233812334 Application Field and Working Principle

BFC233812334 is a type of film capacitor specifically designed for the automotive industry. This particular capacitor is rated for a nominal temperature range of -40 to +125°C, making it suitable for a wide variety of automotive applications. Additionally, this polyester capacitor offers a capacitance tolerance of +10/-7%, as well as a maximum voltage rating of 25V DC. In order to understand how this film capacitor works, it is important to understand its basic principle of operation. To start, the capacitor consists of two metal plates or “electrodes” sandwiched between a layer of dielectric material, typically a flexible plastic film. When a charge is applied across the two electrodes, an electric field is created through the dielectric material, which accumulates charges and stores energy. The voltage applied across the electrodes can be controlled by altering the distance between them. This allows for the capacitor to be used for a range of different functions, including filtering signals, smoothing out electrical signals, and boosting power supplies.

Advantages and Disadvantages of Film Capacitors

Film capacitors offer several advantages over other types of capacitors. For example, they are highly resistant to temperature variations, meaning that they can be used in a variety of harsh environments, without losing their effectiveness. Additionally, they are also highly resistant to shock and vibration, making them an ideal choice for automotive applications. Lastly, film capacitors offer a high dielectric strength, allowing them to handle high voltages with minimal leakage. On the other hand, film capacitors also have their drawbacks. For one, they are generally more expensive than other types of capacitors, such as ceramic and electrolytic capacitors. Additionally, they are also more susceptible to breakdowns, since the thin plastic film can be easily damaged by physical contact or exposure to excessive heat.

Conclusion

Film capacitors are widely used in the automotive industry, due to their high temperature stability, vibration resistance, and dielectric strength. The BFC233812334 is a type of film capacitor specifically designed for automotive applications, offering a nominal temperature range of -40 to +125°C, a maximum voltage rating of 25V DC, and a capacitance tolerance of +10/-7%. Even though film capacitors are more expensive than other types of capacitors, they offer numerous advantages in terms of their durability and performance.

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