B41042A8128M

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are non-polarized electrical components that use electrolytes and plates made of aluminum layers to store electrical energy in the form of an electrical field. The capacitance of an aluminum electrolytic capacitor is determined by the physical area of the plates, the dielectric constant of the electrolyte, and the distance between the plates. They are used in a wide range of applications including low voltage AC inertial circuits, high voltage pulse systems, and filters.

The B41042A8128M is an aluminum electrolytic capacitor from Panasonic. It is a radial lead type capacitor with a snap-in mounting that enables easy installation and secure fitting. Its rated voltage is 16 VDC, and it has the capacitance of 1000μF. It is designed to be used as a supply filter in a wide range of applications, from home appliances to industrial equipment.

Working principle

Aluminum electrolytic capacitors function through electrolysis. Two conducting plates coated with a conductive oxide surface are immersed in an electrolytic solution. An anode is connected to one of the plates and a cathode is connected to the other plate, and when a potential is applied between the two, electrons flow from the anode to the cathode and cause ions to move through the electrolyte. The ions travel towards the electrodes, and an electric field is formed by the charged ions in the electrolyte between the two plates. This electric field stores the electrical energy in the capacitor.

Applications

The B41042A8128M is primarily used as a supply filter in home appliances and industrial equipment. It helps to reduce noise and ripple in the power supply. It is also suitable for memory backup circuits, where it helps to provide stable voltage over a short period of time in the event of an interruption. As it offers high wattage dissipation and long service life, it is commonly used wherever a stable voltage and low ESR are needed.

The B41042A8128M is also used in a wide range of automotive applications. It can be used in the ignition systems as a signal filter, in addition to being used with DC-DC converters and heavy-duty starters. It also finds application in a variety of electronic switch circuits, where it is used to provide EMI suppression through low ESR and high capacitance.