F1778347K3FBB0

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	X2
Applications:	EMI, RFI Suppression
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.689" L x 0.197" W (17.50mm x 5.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	F1778X2
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	630V
Voltage Rating - AC:	310V
Tolerance:	±10%
Capacitance:	0.047µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors (or sometimes referred to as film dielectric capacitors) are one type of electrolytic capacitors used extensively in a number of diverse applications. They are constructed of a plastic film dielectric, and are offered in a variety of sizes and shapes, depending on the type of application. A number of dielectric materials can be used, such as polypropylene, polystyrene, polycarbonate, and polyester film. The most commonly used type is F1778347K3FBB0, and it is designed specifically for high-performance electronic and telecom applications.

F1778347K3FBB0

F1778347K3FBB0 is a film capacitor used for specific high-performance applications. It has a unique construction compared to other capacitors. It is built with a dielectric layer made of a combination of polystyrene and polycarbonate film. The polystyrene-polycarbonate dielectric material is particularly advantageous in terms of temperature stability, high insulation resistance, and high capacitance in a wide temperature range.The F1778347K3FBB0 is especially well-suited for use in high impedance circuits, large-valued capacitance circuits, low ESR (Equivalent Series Resistance) circuits, and for bypass and decoupling purposes in EMI (electro-magnetic interference) and RFI (radio-frequency interference) circuits.

Application Fields

F1778347K3FBB0 capacitors can be found in a wide range of applications, such as telecommunications, aviation, GPS navigation, medical, automotive, consumer electronics, industrial, entertainment, audio equipment, and power supplies. In telecommunication applications, for example, film capacitors are used in high frequency switching regulation, local area network, long distance communication, and signal amplifiers.In medical applications, film capacitors are used in ultrasonic monitoring, defibrillators, pacemakers, medical imaging equipment, and other medical electronics.In automotive applications, film capacitors are used in power steering systems, transmission electric motors, noise filters, and airbag inflators, to name a few.The film capacitor has advantages in many applications because of its relatively small size, high capacitance stability, and the ability to withstand high voltage.

Working Principle

The working principle of a film capacitor is based on the Faraday law of electrolysis. When an electric field is applied to a pair of conductors, an electric current is created and flows through the two conductors. The electric current is a result of the flow of electrons from one plate of the capacitor to the other. This process is known as “electrolysis”.The electric current will flow until the desired level of voltage is attained. This is the “Faraday law”. The capacitor therefore produces a voltage drop in the circuit based on the strength of the electric field.The amount of electric current that can be stored in the capacitor is based on the capacitance of the device, which is also known as the “capacitance value”. The capacitance value is inversely proportional to the thickness of the dielectric material and is proportional to the surface area of the electrodes.As the electric current flows through the capacitor, it stores energy which is released when the capacitor is discharged. This energy is converted into electrical energy when the capacitor is used in a circuit.

Conclusion

In conclusion, the F1778347K3FBB0 capacitor has unique properties that make it a great choice for high-performance electronic and telecom applications. It has an excellent dielectric material, temperature stability, high insulation resistance, and high capacitance in a wide temperature range. Additionally, its small size, high capacitance stability, and high voltage tolerance make it ideal for a number of different applications.

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