B41821A5107M7

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Aluminum electrolytic capacitors or aluminum electrolytic are polarized capacitors whose anode element is made up of a pure aluminum foil with an etched surface. The aluminum forms a very thin insulating layer of aluminum oxide by anodic oxidation which acts as the dielectric of the capacitor. The anode oxide layer is so thin that it can polarization field established by the applied voltage. A charges first the positive and then the negative plates, during which current flow through the capacitor. The charge storage is much higher than that of air capacitors since the electric field is much more intense due to the higher dielectric constant of the oxide layer.

The B41821A5107M7 is an aluminum electrolytic Capacitor. It is radial leaded, non-solid aluminum electrolytic capacitors, with electrical double layer, for use in general electronic systems such as powering board circuits, audio equipment, DVD players, computers, in video display circuits and other applications.

B41821A5107M7 aluminum electrolytic capacitors are designed with a voltage range up to 400V DC. This model also has a load life time of 2000 hours at 85°C, rated voltage of 250V, capacitance of 680μF, and a maximum ripple current of 2.76 A. The capacitor features high electrical stability, low temperature drift, and long life.

The B41821A5107M7 aluminum electrolytic capacitors have numerous applications in both audio equipment and consumer products. It is used for interference suppression in audio and video equipment, and in switching power supplies as well as in digital components such as memory card readers, digital cameras, and many more digital products. It is also used in the power supply designs for X-ray machines, copiers, fax machines, three-dimensional printers, and many other equipment with similar power requirements.

The working principle of the B41821A5107M7 aluminum electrolytic capacitor is very simple. The two poles, the anode and the cathode, are connected to the capacitor, with the anode being connected to the aluminum foil and the cathode being connected to an electrical conductor. When a voltage is applied to the terminals, the electrons gained by the anode flow from the positive terminal of the voltage source to the negative terminal of the source, creating a uniform electric field in the anode and cathode materials. This uniform field then causes the electrons to get trapped in the anode material, hence creating a charge in the capacitor. The charge stored in the capacitor can be discharged by connecting it to a load and a source of voltage,, supplying the electrons back to the capacitor.

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