B41827A4226M

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in many different types of electrical and electronic equipment such as computers, audio systems, power supplies, cars and other devices. The B41827A4226M is a type of aluminum electrolytic capacitor that provides the high capacitance levels needed for certain applications, such as decoupling capacitor and smoothing.

Application Field

The B41827A4226M aluminum electrolytic capacitor is a rated capacitance of 4.7mF, has an operating voltage of 25 volts, and has a Ripple current rating of up to 1.2 amps. These characteristics make it suitable for a wide range of applications, from snubber circuits in high-power applications to smoothing operations for power supply rails in digital circuits.

It can be used in power supply applications that require low-noise and high-precision regulation. Additionally, the B41827A4226M can also be applied to applications where low ESR values are required and where low-temperature operation is necessary.

Working Principle

Aluminum electrolytic capacitors are made up of rolled aluminum foil and a wet electrolyte. In a typical device, soldered leads, attached to an outer can, are connected to the aluminum foil condenser rolls.

The wet electrolyte is a solution of boric acid dissolved in a solvent, usually ethanol. It is a very strong acid and highly corrosive. Once the electrolyte is placed in the capacitor, it reacts with the aluminum metal, forming an oxide layer on its surface. This oxide layer acts as the dielectric medium between the two parts of the capacitor.

Due to the oxidation layer, the capacitor acts as an insulator that stores charges in the form of electrons. When a voltage is applied to the capacitor, the electric field induces current flow to the electrolyte, carrying charges which reduce the electric field. The capacitor then stores the charge in the form of an electric field.

Conclusion

The B41827A4226M aluminum electrolytic capacitor is a highly efficient capacitor solution for many different types of electrical and electronic equipment, such as computers, audio systems, power supplies, cars and other devices. Its high rated capacitance, operating voltage, and ripple current rating make it suitable for a wide range of applications, from snubber circuits in high-power applications to smoothing operations for power supply rails in digital circuits.