B43750A5128M000

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most widely used type of capacitors, are the most popular choice for general capacitance needs, and are extensively used in electronic circuits. They are capable of providing large capacitance, stability, high reliability and low leakage current expansion, making them suitable for applications from DC low voltage supply to high voltage pulse circuits like motor drives.

B43750A5128M000 application field and working principle

The B43750A5128M000 is an axial lead aluminum electrolytic capacitor designed for a wide range of applications in automotive, industrial, computer, and communication systems. With a rated temperature of -40℃~85℃, it provides low equivalent series resistance (ESR) and excellent operating frequency characteristics. The long-life construction design, low ESR, and low impedance to high frequency enable the B43750A5128M000 to be used in equalizer, timers, power supply capacitors, and more devices requiring low-voltage and low-current power.

Aluminum electrolytic capacitors consists of an anode-cathode aluminum foil, an insulator film (generally polyester film). An electrolytic solution is placed between the two electrodes (anode and cathode). The anolyte is an oxide film formed on the surface of the anode-cathode aluminum foil, and the low liquid between the anolyte film and the insulating film is the electrolytic solution. This type of capacitor performs the following basic functions: filtering or smoothing an AC current, providing short-term circuit stabilization, blocking or limiting an AC current, and storing energy.

The structure of the B43750A5128M000 consists of two distinct parts: the anode-cathode aluminum foil and an insulating film. The anode is made of aluminum foil and the negative is made of cathode aluminum foil. Both end of the anode-cathode aluminum foil is covered by insulation, which plays a separated role. A small hole is punched on the foam and evaporating paper is used to ensure that air can enter and leave freely. The electrolyte solution is also added into the hole and is locked by pressing the paper tightly. The insulating film is made of a high-temperature-resistant, chemical-resistant, flame-retardant insulation material that separates and controls the two electrodes and acts as a medium for conducting electrons.

The B43750A5128M000 has a capacitance range of 47μF~100μF and a rated voltage range of 8V~100V, making it suitable for use in a variety of applications. The electrolytic solution element provides excellent characteristics such as wide temperature range and low equivalent series resistance (ESR), making it able to work in environments under harsh conditions. The foil holder design makes it able to endure high humidity and high-temperature environments and is able to withstand tens of thousands of service life hours.

In conclusion, the B43750A5128M000 aluminum electrolytic capacitor has a wide range of applications and a long service life, making it a suitable choice for general capacitance needs. It provides excellent operating frequency characteristics and low equivalent series resistance, making it suitable for use in high frequency pulse circuits, filters, power supplies, timers, and more.