BFC233912824

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	AEC-Q200, X2
Applications:	Automotive; EMI, RFI Suppression
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.768" (19.50mm)
Size / Dimension:	1.024" L x 0.394" W (26.00mm x 10.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP339
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	630V
Voltage Rating - AC:	310V
Tolerance:	±10%
Capacitance:	0.82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors have long been used for various applications, from power supply filters to signal-stabilizing components. The BFC233912824 film capacitors are the latest in a range of advanced film capacitor technology from Tokin Corporation. These high performance capacitors are specifically designed for harsh environments, and offer excellent electrical characteristics including low ESR (equivalent series resistance), high capacitance, low leakage and high temperature stability.

Construction and application field

The BFC233912824 capacitors are constructed from a wrap and fill technique with specialized resin and film. The manufacturing process enables a thin, uniform dielectric layer, which ensures high capacitance and excellent electrical characteristics. These capacitors are available in a range of voltage ratings, from 6.3 VDC to 250 VDC, as well as in a wide range of capacitances, from 0.47uF to 470uF. The BFC233912824 is typically used in a variety of applications including high reliability power electronic equipment, automotive systems, aviation systems, industrial control systems and military and aerospace communication systems. It can also be used as a part of a filter circuit to provide noise suppression in power supplies, or in motor control circuits as a resonant element.

Working principle

Film capacitors are constructed using a carefully calculated set of layers, including a thin, uniform, specialty electrical dielectric film, special coated conductive foil and encapsulants. The capacitor is then connected to a terminal housing. In a BFC233912824 capacitor, the primary function of the dielectric film layer is to store energy in the form of electric charge. This is accomplished by forming an electrostatic field between two sets of electrodes in the capacitor.A voltage applied across the two electrodes causes a current to flow into the capacitor, and the electric charge stored in the dielectric layer creates an opposing current. This creates a situation similar to a closed circuit, where energy is transferred to and from the film until it reaches a steady state. By adjusting the physical properties of the dielectric, such as its dielectric constant, the capacitance of the capacitor can be controlled.

Conclusion

The BFC233912824 film capacitors are part of Tokin’s advanced capacitor technology range and offer excellent electrical characteristics including low ESR, high capacitance, low leakage and high temperature stability. It is used in a variety of applications including high reliability power electronic equipment, automotive systems, aviation systems, industrial control systems and military and aerospace communication systems. The working principle relies on the application of a voltage across two electrodes to create an electrostatic field, then transferring energy to and from the film until it reaches a steady state.

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