B43305A5397M

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.244" (57.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	490 mOhms
Ripple Current @ Low Frequency:	2.09A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43305
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	350 mOhm @ 100Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors (AlECs) are one type of electronic components that are used to store and release electric charge. They have low leakage current, high capacitance values, good dynamic performance, and good high frequency characteristics, which makes them ideally suited for storing electric energy in CE (Consumer Electronic) applications. The B43305A5397M is an AlEC capacitor that comes from Vishay Group and is designed for high-power applications. This article aims to provide an overview of the application field and working principle of the B43305A5397M.

Application Field

The B43305A5397M has a wide range of applications in the CE market. It is a high-power capacitor, capable of operation up to 63V and temperatures of up to +105°C, making it suitable for high-voltage / temperature applications in industrial, automotive, and telecommunication sectors. The B43305A5397M\'s low ESR (Equivalent Series Resistance) makes it suitable for use in high- transient applications, such as power-supply switching, pulse generators, and DC-DC converters. It can be used in buck and buck-boost power-supply designs and its high peak current capability makes it suitable for applications such as DC motors and power tools.

Working Principle

The B43305A5397M AlEC capacitor is based on the principle of electrolytic capacitors. In this type of capacitors, the dielectric material is made up of a thin oxide layer on the aluminum surface. The electrolyte provides ions to the oxide layer which adds to its thickness and thereby increases the capacitance. The electrodes, usually made out of aluminum foil, are immersed in the electrolyte solution. When a voltage is applied across the electrodes, the aluminum foil polarizes and forms a thin oxide layer that acts as the dielectric material. This layer stores charges and thereby increasing capacitance.The B43305A5397M electrolytic aluminum capacitor is designed for high-power applications. It has a wide range of voltage/temperature operation and its low ESR ensures good stability and reliability. Its rugged construction also makes it a suitable choice for high-frequency switching and transient applications. The capacitor can also be used in buck and buck-boost power-supply designs.

Conclusion

The B43305A5397M electrolytic aluminum capacitor is a high power device that is capable of handling high voltages and temperatures. It has low ESR and hence is suitable for applications requiring high transient performance. It is also suitable for applications in which the current must be switched rapidly. The capacitor can be used in buck and buck-boost power-supply designs and its rugged construction makes it a suitable choice for high-frequency switching and transient applications.

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