BF024I0223K--

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.200" (5.08mm)
Termination:	PC Pins
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.295" L x 0.126" W (7.50mm x 3.20mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	BF
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±10%
Capacitance:	0.022µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors: BF024I0223K – Application Field and Working Principle

A film capacitor is an electronic device consisting of several layers of very thin dielectric films separated by an electrolyte material. Film capacitors, such as the BF024I0223K, are popular for DC applications, as well as in circuits requiring high frequency. Moreover, they maintain their capacitance over a wide temperature range and are highly stable.

Introduction To Film Capacitors

Film capacitors are widely used in various electronic applications from energy storage to signal filtering. They consist of multiple layers of thin dielectric film materials between two electrodes, which is why they are also known as dielectric film capacitors. The most common insulating material are polypropylene (PP), polystyrene (PS), and Teflon (PTFE). These films are then evacuated and filled with an electrolyte material, such as aluminum oxide, ionomer, or phenolic resin, which act as a separator between the electrodes.Film capacitors offer several advantages over other types of capacitors, such as lower distortion levels due to a lower Equivalent Series Resistance (ESR) and very high insulation resistance. Moreover, they are highly resistant to temperature and voltage fluctuations, and can withstand mechanical vibration, making them ideal for high current applications.

Oscon BF024I0223K Film Capacitor

The BF024I0223K from Osaka Solderless Components (OSCON) is a film capacitor ideal for various types of DC circuits, and especially those that require high frequency. It is constructed from a polypropylene dielectric film, aluminum oxide electrolyte material, and copper closings. The dielectric film has a thickness of 0.006mm, an insulation resistance of 17MΩ, and a breakdown voltage of 275VAC. OSCON’s BF024I0223K is also compliant to RoHS standards.This film capacitor has a capacitance of 0.022uF, rated voltage of 200VAC (275VAC max. at 25°C), and a temperature range of -40°C to 105°C. Additionally, it has a dissipation factor of 0.15% and a 100kHz frequency of 3.7pF. Overall, the BF024I0223K is a highly reliable and efficient film capacitor with a long service life that can be counted on for various applications, such as automotive, industrial control, and medical equipment.

Working Principle of Film Capacitors

The working principle of a film capacitor is similar to other types of capacitors, as the general definition of a capacitor is “any device that is used to store electrical energy”. All capacitors, including those of the film type, store energy in the form of electrons on two conducting plates, which are separated by a dielectric. When a voltage is applied to the film capacitor, an electric field is created in the dielectric material. This electric field creates an attraction between the energies stored on the plates. Essentially, this energy is used to oppose the repetition of voltage, which then limits the current flow.The capacitance of a film capacitor depends on the material used to construct the dielectric. The higher the dielectric constant of the material, also known as the permittivity, the higher the capacitance of the capacitor. Additionally, the thickness of the dielectric and the area of the conductive plates will also affect the capacitance.

Conclusion

Film capacitors, such as OSCON’s BF024I0223K, are popular for various high-frequency DC applications due to their high stability and reliability. Furthermore, they offer a wide temperature range and a high insulation resistance. Their working principle is similar to other capacitors, with the energy being stored in the form of electrons on two conducting plates. Film capacitors can be used in a variety of applications, ranging from energy storage to signal filtering. Moreover, their capacitance is highly dependent on the material of the dielectric, the thickness of the dielectric, and the area of the plates. With all these features, film capacitors such as the BF024I0223K are sure to be of great help in various industrial and commercial applications.

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