B43505A2477M87

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.465" (37.20mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	330 mOhms
Ripple Current @ Low Frequency:	1.8A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43505
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	280 mOhm @ 100Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors use an aluminum foil as the anode and metal oxide as the cathode. They are highly efficient components used to filter AC power and store energy. As an electrical component, the B43505A2477M87 is an aluminum electrolytic capacitor. In this article, we will look into the application field and working principles of the B43505A2477M87.

Application field of B43505A2477M87

Common application fields for aluminum electrolytic capacitors are power regulation, energy storage, signal filtering and noise suppression.The B43505A2477M87, a high voltage aluminum electrolytic capacitor, can be used in SMPS applications, lighting ballasts, power supplies for LEDs, LCDs, TVs, monitors and domestic appliances. It can be used in inverter circuits, motor and fan drives, active power factor correction and interleaving circuits.

Working principle of B43505A2477M87

Asaluminum is a good conductor of electricity, it is one of the most commonly used materials for producing capacitors. In the B43505A2477M87, two of its most critical components are the aluminum foil and the metal oxide. The metal oxide acts as the dielectric, while the aluminum foil works as the anode current collector.When voltage is applied to the capacitor across the aluminum foil and the metal oxide, an electric field is created. This electric field produces an electric current that drives a number of ions through the dielectric. These ions are then attracted to the aluminum foil and bind to it, resulting in the accumulation of an electrical charge. The accumulation of charge increases the capacitance of the capacitor and in turn, the energy that is stored.With each ion binding to the aluminum foil, the distance between the two electrodes increases. As the distance increases, the electric field weakens and thus, the capacitor de-energizes. This is known as the reverse current.Once the capacitor de-energizes, the ions dissociate from the aluminum foil and the electric field of the capacitor dissipates. This process allows for the capacitor to “self-regenerate” and the energy to be discharged, resulting in the capability of the capacitor to efficiently store and manage energy.

Conclusion

The B43505A2477M87 is an aluminum electrolytic capacitor with a wide application field. Its aluminum foil and metal oxide components allow it to store electrical energy and efficiently self-regenerate. This makes the capacitor an important part of many electrical systems, such as power supplies for LEDs, LCDs, TVs, monitors, motor and fan drives, and inverter circuits.

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