B43821A4155M000

Operating Temperature:	-25°C ~ 85°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ Low Frequency:	32mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	B43821
Lifetime @ Temp.:	3000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	221 Ohm @ 120Hz
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum Electrolytic Capacitors – B43821A4155M000 Application Field and Working Principle

Aluminum electrolytic capacitors, commonly referred to as aluminum electrolytics, are one of the most widely used types of capacitors due to their ability to store large amounts of energy in a relatively small form factor. The B43821A4155M000 is a popular variant among aluminum electrolytic capacitors, and it is typically used in high-frequency power supplies for energy storage and voltage regulation. This article provides an overview of the application field and working principle of this model.

Application Field

Due to their ability to store large amounts of energy in a relatively small form factor, B43821A4155M000 aluminum electrolytic capacitors are commonly used in high-frequency power supplies for energy storage and voltage regulation. They are also used in telecommunications systems, motor drives, and embedded systems.In telecommunications systems, they are generally used to smooth out the power supply when transmitting signals over long distances, as well as to provide backup power for critical appliances in the event of a power outage.For motor drives, B43821A4155M000 aluminum electrolytic capacitors can be used to help improve the performance of AC induction motors, DC servo motors, and step motors, by smoothing out large pulses of current that could damage the motor.Finally, B43821A4155M000 capacitors are also used in embedded systems for energy storage, voltage regulation, and to buffer transients in the supply voltage.

Working Principle

B43821A4155M000 aluminum electrolytic capacitors are polarized and have a polarity-sensitive anode and cathode. The anode is typically made of aluminum foil, which has a higher level of porosity and a larger surface area than other types of foil, allowing it to store more charge. The cathode usually consists of a metal oxide film that is formed on the anode when oxidizing electrolytes such as aluminum chloride are added to the capacitor during the manufacturing process.When an electric field is applied across the capacitor, some of the electrons in the anode will flow into the cathode, increasing the negative charge on the anode and causing it to attract positive ions from the electrolyte. This process generates an electric field between the anode and the cathode, allowing the capacitor to store electrical charge.When the electric field is removed, the electron flow is reversed, and the capacitor discharges its stored charge. The amount of charge that can be stored is directly proportional to the capacitance of the capacitor, which is determined by the size of the anode and the thickness of the oxide film on the cathode.

Conclusion

B43821A4155M000 aluminum electrolytic capacitors are widely used in telecommunications systems, motor drives, and embedded systems due to their ability to store large amounts of energy in a relatively small size. They are also polarity-sensitive capacitors with an anode made of aluminum foil and a cathode made of a metal oxide film. When an electric field is applied across the capacitor, the electrons flow into the cathode and charge is stored in the capacitor. When the electric field is removed, the capacitor discharges. The larger the capacitance, the greater the amount of charge that can be stored.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description