BN224I0474KKB

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.598" (15.20mm)
Size / Dimension:	1.051" L x 0.303" W (26.70mm x 7.70mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	BN
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±10%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as film dielectric capacitors or plastic film capacitors, are discrete components widely used for AC line-coupling, noise filtering, coupling, bypassing, and decoupling. In general, film capacitors are composed of a dielectric film with two metalized surfaces in between, each connected to a lead wires or termination that is usually wrapped in a metallic case to protect from environmental effects. Among film capacitors, the BN224I0474KKB model is a high-voltage and general-purpose polypropylene film capacitor developed and manufactured for applications in a wide range of electrical and electronic systems.

Overview of the BN224I0474KKB

The BN224I0474KKB is a popular type of aluminum electrolytic capacitor with its exceptionally long life expectancy. It is designed to provide reliable, long-lasting operation for high-voltage and general-purpose applications. This type of film capacitor has an operating temperature range of -30°C to +125°C, a rated voltage of 400VDC, a capacitance range of 0.47 to 4.7 mF, tolerance of ±20% and a rated ripple current of 7.5 at 120Hz. It also has a low leakage current and a high insulation resistance. Additionally, it has a quick brief and short circuit proof capability, and is one of the most stable types of capacitors available on the market.

Application field of the BN224I0474KKB

Due to its impressive performance characteristics and stability in a wide range of operating temperatures and voltages, the BN224I0474KKB is an ideal solution for a variety of applications. Its cost-effectiveness makes it even more attractive. Its general-purpose nature, long life expectancy, and high reliability make it well suited for use in AC line-coupling, noise filtering, bypassing, decoupling, and other applications in household and industrial settings.The BN224I0474KKB is particularly valuable in applications that require a minimum and consistent capacitance over a wide range of temperature and voltage variations, such as communication systems, heavy-load switching equipment, DC-DC conversion, and power supplies. It is also used in battery backup systems and high-voltage DC circuits, as well as for modulator, motor local area power supply, and signal line isolation suppression.

Working principle of the BN224I0474KKB

The BN224I0474KKB is constructed from high precision, highly stable polypropylene film material that is surrounded by a metallic case and protected from environmental effects. The capacitor contains two metal plates between which the electrical charge is stored and later released. The capacitor’s lead wires are welded to these plates and are connected to the external circuitry.When a voltage is applied across the terminals of the BN224I0474KKB, a current is set up which travels through the external circuit, charging the capacitor and increasing its energy. This stored energy in form of electrical charge can be released when the external voltage drops below the value of the capacitor’s plate potential. This discharge of energy produces a current in the external circuit. This process allows for the filtering, bypassing, decoupling, and other operations from being performed.The BN224I0474KKB also constantly adjusts its capacitance value depending on the applied external voltage. This helps the capacitor to maintain its capacitance even over a wide range of temperature fluctuations and usage cycles. Its low power loss factor and very low dissipation factor also help it to efficiently store and release energy, allowing it to achieve high levels of efficiency.

Conclusion

The BN224I0474KKB is an excellent polypropylene film capacitor manufactured for high-voltage and general-purpose applications. It has a wide range of features that make it suitable for AC line-coupling, noise filtering, bypassing, decoupling, and other operations. It also has a long life expectancy, low leakage current, and a high insulation resistance, allowing it to provide reliable performance for a long time. Its low power loss factor and very low dissipation factor also make it suitable for energy-efficient applications. All these features make the BN224I0474KKB an ideal choice for multiple applications in a variety of electronic systems.

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