BF054D0155J--

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.200" (5.08mm)
Termination:	PC Pins
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.295" L x 0.236" W (7.50mm x 6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	BF
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	63V
Voltage Rating - AC:	40V
Tolerance:	±5%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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BF054D0155J Film Capacitors: Application Field and Working Principle

Film capacitors are one of the most commonly used type of capacitors in the electrical industry due to their reliability. The BF054D0155J film capacitors, in particular, is used in a wide range of applications due to its impressive characteristics. In this article, we will discuss the application field and working principle of this type of capacitor.

Application Field:

The BF054D0155J film capacitors are primarily known for their capability of providing stability in electrical circuits. Low- and high-frequency electronic filters, coupling, and decoupling in power supplies are a few of the most common applications of this capacitor. They are also used in various power line filters, circuits with high pulse current capacity, as well as in general-purpose audio amplification and cathode-ray tube (CRT) protection. Due to the low ESR (equivalent series resistance) values of the BF054D0155J capsules, they also find use in high-power switching applications where radio-frequency interference (RFI) must be suppressed. The application of these capacitors in switching are particularly advantageous over electrolytic and ceramic devices because they do not exhibit frequency-dependent losses.

Working Principle:

The BF054D0155J film capacitors utilize a metallized polyester film as dielectric, these layers are laminated into a flexible package. This package allows for various constructions and relatively high frequencies while exhibiting good capacitance values. The dielectric core is wrapped in metal sheets which serve as the leads for the capacitor. These electrodes are connected in series and provide a much higher capacitance than single layer designs.The working principle of the BF054D0155J film capacitors is quite simple. It has two metal electrodes and a dielectric material that is placed between them. The dielectric material allows electrons to pass through and is what causes the capacitor to store the electrical energy. When a voltage is applied across the two electrodes, charge is stored and when the voltage is removed, the stored energy is released.

Conclusion:

The BF054D0155J film capacitors are an important component in many electronic circuits due to their high reliability and durability. Their capacitance remains constant over a wide range of temperatures and voltages, making them suitable for a wide range of applications. They are able to provide stability in electrical circuits, and are used in low- and high-frequency electronic filters, coupling, decoupling, power line filters, high pulse current capacity circuits, general-purpose audio amplification and cathode-ray tube protection. Their relatively low ESR values make them preferable for high-power switching applications where RFI must be suppressed. Their working principle is quite simple, and involves two metal electrodes and a dielectric material that allows electrons to pass through, thus allowing the capacitor to store electrical energy.

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