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:	±20%
Capacitance:	0.033µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as film dielectric capacitors, are capacitors that use a dielectric material, such as polyester, polypropylene, polyethylene, or polycarbonate film, to provide the electrical insulation between their electrodes. Among them, F1778333M2FLB0 is a specially designed film capacitor, featured by its sophisticated construction and low ESR.

Application Field

F1778333M2FLB0 is mainly used in high performance DC-DC converter, power supplies, consumer electronics, charge pumps, converters, and automotive applications. Its low ESR allows it to operate at faster switching speeds, making it an ideal choice for any high-speed application requiring tight tolerances.

Features

The F1778333M2FLB0 features a wide operating temperature range from -55°C to 125°C. It also provides excellent capacitor stability and good thermal performance. Furthermore, it offers a high ripple resistance and long life performance, making it suitable for applications requiring high repeatability and reliability.

Working Principle

A film capacitor works by using an insulating dielectric such as polypropylene film. When an alternating current (AC) is applied to the film capacitor, the dielectric stores electric charges in its dielectric material. The dielectric material is constantly subject to an electric field, consisting of a positive charge on one side and a negative charge on the other side. In this way, the electric field creates an alternating current path between the two electrodes.When the current is applied, the applied current creates a displacement current across the dielectric-filled space, resulting in a change in the electric field in the dielectric and the charge stored on the plates. As the electric field is changed, it produces a reverse current which replaces the current flowing through the dielectric. This allows the capacitor to store energy by absorbing the electric field and releasing it when the field is changed.

Conclusion

The F1778333M2FLB0 is an advanced film capacitor that offers high performance in high-speed applications with tight tolerances. It is capable of excellent capacitor stability, good thermal performance, and long life performance. Furthermore, its low ESR allows it to operate at faster switching speeds, making it perfect for any application requiring a reliable yet efficient capacitor.

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