477LBB400M2EF

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	4.2924A @ 10kHz
Ripple Current @ Low Frequency:	2.92A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LBB
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	3000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	529.11 mOhm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are passive electronic components used to store charges. These components feature higher capacitance and smaller size than other types of capacitors. 477LBB400M2EF is a type of aluminum electrolytic capacitor that exhibits excellent performance and reliability in various applications. This article will discuss the application fields and working principle of 477LBB400M2EF.

Application Fields

477LBB400M2EF capacitors are widely used in a wide range of applications, including audio equipment, audio signal processing circuits, computer peripheral circuits, pulse circuits, power supply circuits, etc. The 477LBB400M2EF capacitor is well-suited for use in high-temperature environments and applications that require high ripple current capabilities. Its low ESR and high capacitance make it suitable for applications requiring a stable voltage and can be used in filtering and smoothing power supplies.

Working Principle

Aluminum electrolytic capacitors such as 477LBB400M2EF are built in a cylindrical form with an aluminum plate on the outside and a thin aluminum oxide film inside. The aluminum oxide film acts as an insulator and is much thicker than other insulating films. When a voltage is applied between the plates, the positive and negative charges attract each other across the oxide film. This creates an electrical field between the plates, creating an electrical capacitance which is measured in Farads. The aluminum plate acts as the anode and the oxide film acts as the dielectric. This creates an electrical field between the plates, which stores the electrical charge. The oxide film has a dielectric constant that is much higher than other materials, enabling these capacitors to have larger capacitance.

Conclusion

477LBB400M2EF is an aluminum electrolytic capacitor, used in a wide variety of applications. The capacitor stores electrical charge in an aluminum oxide film, which enables it to have a large capacitance. The capacitor is suitable for use in high-temperature environments and applications that require high ripple current capabilities. With its low ESR and high capacitance, 477LBB400M2EF capacitors provides excellent performance and reliability in various applications.

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