B43858C9476M

Operating Temperature:	-25°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.319" (33.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	980mA @ 100kHz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	B43858
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are among the most commonly used components in electronic circuits and equipment. In addition to being used for bypassing, filtering, and timing applications, aluminum electrolytic capacitors are often used for energy storage and voltage regulation purposes. The B43858C9476M is a type of aluminum electrolytic capacitor specifically used for voltage and energy storage purposes. This article will focus on the application field and working principle of this capacitor.

Applications

The B43858C9476M is a commonly used aluminum electrolytic capacitor with high energy storage capacity. It is mainly used in DC storage power supply systems, such as uninterruptible power supplies, inverters, voltage regulation, and LED lights. The capacitor can also be used in switching power supply circuits, displays, microcontrollers, and other micro-electronic equipment. Additionally, it can be used for filtering, decoupling, and energy discharging applications.

Working Principle

Aluminum electrolytic capacitors consist of an anode, cathode, separator, and electrolyte. The anode is made of aluminum foil, which is the electrode with a high surface area. The separator is made of porous paper and is used to isolate the two electrodes. The electrolyte is composed of an aqueous solution or gel containing anions and cations. When voltage is applied to the capacitor, the anions and cations will move to create an electric field, causing the electrical charge to accumulate on the aluminum foil surface. This electric charge creates an effective electrical capacitance, allowing the capacitor to store and transfer energy, which is its working principle.

Advantages

The B43858C9476M aluminum electrolytic capacitor has a range of advantages for its application field. Firstly, it has a high capacitance value, meaning that it can store more energy in the same volume than other types of capacitors. Secondly, it has a self-healing property, meaning that if any punctures or damages are made to the anode or separator, the capacitor may be able to repair itself. Additionally, aluminum electrolytic capacitors have a longer shelf life than other capacitors, with a typical life of up to 10,000 hours.

Disadvantages

As with all electronic components, the B43858C9476M aluminum electrolytic capacitor has some disadvantages. Firstly, aluminum electrolytic capacitors have much higher leakage current compared to other types of capacitors, which can result in permanent or temporary errors in the system. Secondly, the capacitance value of these capacitors decreases over time, meaning that they can lose their charge quickly. Finally, aluminum electrolytic capacitors are susceptible to damage from high temperatures, vibrations, and shocks.

Conclusion

The B43858C9476M is a type of aluminum electrolytic capacitor used for storing energy and voltage regulation. It has several advantages, such as a high capacitance value, self-healing property, and long shelf life. However, it also has some disadvantages, such as high leakage current, decreased capacitance value with time, and susceptibility to damage from heat, vibration, and shock. Overall, the B43858C9476M is a widely used capacitor for storing energy and voltage regulation applications.

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