B43642B9477M002

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In - 3 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	2.03A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43642
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	210 mOhm @ 100Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	470µF
Part Status:	Active
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors
Aluminum electrolytic capacitors are components with two charged plates sealed in a metal container full of electrolyte solution. These capacitors are commonly used in both low and high-frequency circuits, and are ideal for applications where the device must handle high-energy pulses. Because of their relatively small size, aluminum electrolytic capacitors have become a key component of the electronics industry, powering high-speed processing and digital signal applications, among other electronic circuits.
B43642B9477M002 Application Field and Working Principle
The B43642B9477M002 aluminum electrolytic capacitor is widely used in power supplies, computer motherboards, and audio-visual equipment. It is specially designed for smoothing and buffering the output of electronic circuits.The device features an electrolyte-filled cylinder with an anode and a cathode, along with two aluminum foil strips that serve as conductive plates. The aluminum foil is then wound together under pressure, resulting in an enormous capacitance that is very stable over a wide range of temperatures. This makes the B43642B9477M002 ideal for use in power electronics, switching power supplies, and other similar applications.The capacitor’s ability to store energy relies on the electrostatic effect between the two plates. When a voltage is applied across the plates, the electric field between them becomes stronger. This creates an electric charge separation that causes the capacitor to store energy. When the voltage is removed from the plates, the electrons that were stored in the device are freely released. This process enables the capacitor to act as a buffer between positive and negative voltage peaks, preventing unwanted voltage spikes from damaging sensitive components.
Conclusion
The B43642B9477M002 aluminum electrolytic capacitor is a versatile and highly reliable component that is commonly used in a wide variety of electronic applications. It features a robust construction and stable capacitance over a large temperature range, which makes it an ideal choice for smoothing voltage peaks and buffering the output of high-frequency circuits.

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