BFC247962823

Operating Temperature:	-55°C ~ 105°C
Features:	Long Life
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.669" (17.00mm)
Size / Dimension:	0.728" L x 0.315" W (18.50mm x 8.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP479
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	630V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.082µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

An electrical component known as a film capacitor is used in applications across the industrial, commercial, and consumer worlds. A film capacitor, also known as a plastic film capacitor, is a capacitor where thin film is used as the dielectric. A film capacitor’s name is derived from the material used in its construction, as opposed to glass, paper, and ceramic capacitors which are made using ceramic materials. The BFC247962823 is one such film capacitor, and in this article, we will discuss its application field, as well as the working principle behind it.

Working Principle of Film Capacitors

A film capacitor depends on the capacitance created by the electrical field between two electrodes separated by a dielectric. An electric field is a region of electric energy that results from the presence of electrically charged particles. The magnitude of the electric field and its direction is determined by both the charge quantity and its location. When the charges are static like in a capacitor, the electric field is also static and the measured voltage would be the same as the applied voltage.When two conducting plates are setup with a dielectric in between them, applying voltage across the plates charges them up to a certain level and an electric field is created that ‘holds’ the charge on the plate. The capacitance, denoted by the symbol C, is the ratio of the charge (Q) stored on either plate, to the voltage (V) across the plates. This phenomenon forms the basis of the working principle of a film capacitor. The BFC247962823 uses thin film as the dielectric between the conducts plates. This thin film usually contains organic polymers like polystyrene, polytefron, polypropylene, or polyethylene, but synthetically made varnishes like polybenzimidazole or poly-non-phthalates can also be used on occasion.

Application Field of the BFC247962823

The BFC247962823 film capacitor is a low voltage capacitor that is widely used in applications such as filtering, coupling, power factor correction, AC motor start-up/running, IT, and LED lighting. It is most commonly used as a filter capacitor in applications like power supplies, measuring instruments, radar systems, electronic tuning circuits, radios, TV sets, etc. It is also used as a coupling capacitor in circuits like amplifiers, sine-wave generators, and oscillators. In power factor correction, the capacitor is used with the inductor and the resistor as a passive network configuration. This is used to improve the power quality of power transmission in order to increase the efficiency of the system. DC motors use film capacitors in start-ups/running applications, where the capacitor helps by providing an additional circuit element during the acceleration phase of the motor. Film capacitors are also used in high-end Industrial and Power electronics applications like power electronic converters, inverters, UPS(uninterruptible power supply), EMI(electromagnetic interference) suppression, HVAC system, whitegoods, etc. The BFC247962823 film capacitor also has applications in IT based products like computers and other mobile devices. The thin film dielectric is also used in LED lighting for inductive purposes, where it can reduce the turn-on voltage of the LEDs due to its high capacitance values.

Conclusion

Film capacitors, like the BFC247962823, are widely used in a wide range of applications across both industrial and commercial markets. The working principle of a film capacitor involves the creation of an electric field between two electrodes separated by a dielectric. This electric field ‘holds’ the charge on the plate, leading to its use in a variety of applications such as filtering, coupling, power factor correction, AC motor start-up/runing, IT, and LED lighting.

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