BFC247954513

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):	0.610" (15.50mm)
Size / Dimension:	0.728" L x 0.256" W (18.50mm x 6.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP479
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.051µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as plastic film capacitors, are a type of capacitor widely used for various electronic applications. Film capacitors have several advantages over traditional paper capacitors, including lower temperature stability, longer lifespan and higher performance. The BFC247954513 film capacitor is a device consisting of two metal films separated by a dielectric material. It is designed to store electric charge within an alternating-current circuit and filter unwanted frequencies.

History

Film capacitors were first developed in the early 1930s by GE as a replacement for bulky paper-based capacitors. This new capacitor was more compact and reliable, and its use quickly spread throughout the electronics industry. During World War II, film capacitors were used in military equipment, as well as radios. As technology progressed, film capacitors became more compact and durable, and their use in electronic circuits increased.

Applications

The BFC247954513 film capacitor is commonly used in many types of circuits, including switching power supplies, audio systems, motor drives, and communication systems. In switching power supplies, the capacitor is used to store energy and filter high-frequency noise signals. In motor drives, the film capacitor provides an electrical field to help start the motor and maintains voltage and current in the motor. In audio systems, film capacitors are used to filter out noise, reduce distortion and improve sound quality. In communication systems, film capacitors can help reduce electromagnetic interference.

Working Principle

The working principle of the BFC247954513 film capacitor is quite simple. When an AC current flows through the capacitor, it stores a voltage, also known as the capacitance. The capacitance of the capacitor is dependent on two factors: the thickness of the dielectric material in between the two films and the surface area of the two films. When the capacitor is placed in an AC circuit, it acts as a filter to remove unwanted frequencies.

Construction

The BFC247954513 film capacitor is made up of two thin metal films, a dielectric layer in between and terminals at either end. The electrodes at each end are joined together, resulting in a single conduction path, which is necessary for an electrical circuit. The dielectric material is usually a durable plastic or a metal oxide, such as tantalum, which acts as an insulator and prevents leakage of current.

Advantages

Film capacitors offer several advantages over traditional paper capacitors, such as lower temperature stability, longer lifespan and higher performance. They are also much smaller, making them more practical for use in electronic devices. Film capacitors also require less energy to maintain a given capacitance compared to paper capacitors. Because of their durability and reliability, film capacitors are often used for long-term applications, such as in automotive and medical applications.

Conclusion

The BFC247954513 film capacitor is a versatile device used for a variety of electronic applications. It is made up of two thin metal films, a dielectric layer and two terminals. The dielectric material is usually a durable plastic, a metal oxide, such as tantalum, or a combination of both. Film capacitors offer several advantages over traditional paper capacitors, such as lower temperature stability, longer lifespan and higher performance. They are also much smaller, making them more practical for use in electronic devices.

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