BFC237358394

Operating Temperature:	-55°C ~ 105°C
Features:	Long Life
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.728" (18.50mm)
Size / Dimension:	0.689" L x 0.335" W (17.50mm x 8.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT373
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	220V
Tolerance:	±5%
Capacitance:	0.39µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Film capacitors, simply referred to as film caps, are electronic components with a wide range of uses in a variety of applications. Specifically, models such as the BFC237358394 are common capacitors used in producing music, audio, video equipment, and pulsed power supplies. In this article, we will discuss the application fields of this particular capacitor and its working principle.

Application Fields

The BFC237358394 film capacitor, being a popular choice in modern electronic equipment, has found its way into many uses. Most commonly, the capacitor has been used to filter noise from audio and video signals, attenuate runaway oscillations in RF circuits, and to provide power conditioning in power supplies. The capacitor’s wide operating temperature range of -55 to +125 °C makes it a perfect choice for most types of applications, including outdoor uses and in extreme temperature conditions. Its resistance to both moisture and vibration has led to its application in military and aerospace applications. Further, the capacitor is used to filter mid-frequency noise from oscillators and waveform generators, often found in digital signal processing.

Working Principles

The BFC237358394 film capacitor works on the same principles as any other capacitor. It is a two-terminal device that stores electric charge when a voltage difference is applied across its terminals. The capacitor does not allow a direct electrical current to flow through it, due to the dielectric in between its external metallic plates. The dielectric acts as a kind of insulator, and its job is to store the charge and release it when necessary. The dielectric material used in the BFC237358394 capacitor is polypropylene. This type of material is highly reliable, with good insulation characteristics and high heat resistance, which makes it suitable for many different applications. The two metal plates are rolled onto the film, with the dielectric sandwiched in between them. This rolling of the metal plates avoids contact with each other and greatly reduces leakage current.

Conclusion

The BFC237358394 film capacitor is an incredibly versatile capacitor that can be used in a wide variety of applications. Its strong resistance to both moisture and vibration, as well as its wide operating temperature range, ensure that it can be used for a variety of purposes in both indoor and outdoor applications. In addition, its unique design with the dielectric material sandwiched in between two metal plates ensures that its leakage current is reduced, allowing for smoother and more accurate signal transmission. As such, this capacitor can be relied on for a multitude of uses.

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