UPJ2A151MHD6TN Capacitors

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Aluminum electrolytic capacitors are widely used in electronic circuits of various electronic products, such as computers, communication products, audio-visual products, office automation products, etc. The UPJ2A151MHD6TN is an aluminum electrolytic capacitor of the tight adjustment type, with a capacitance of 150µF, a standoff voltage of 6.3V and an extended temperature range of -40~+105℃. It is used in applications requiring high stability and reliable performance.

The primary use of aluminum electrolytic capacitors is to store electric charge. It consists of a sealed aluminum case with two electrodes inside. Typically, the anode (positive terminal) is made from pure aluminum foil with an oxide coating, and the cathode (negative terminal) is constituted by a mixture of electrolyte and paper impregnated with an organic venture material. The amount of electric charge that can be held by the capacitor depends on the aluminum foil thickness, the surface area of the anode and the distance between the two electrodes.

The working principle of the UPJ2A151MHD6TN is the same as that of other aluminum electrolytic capacitors. When a DC voltage is applied across the two electrodes, a large electric field is created in the oxide layer of the anode. This creates a depletion region and allows polarisation of the electrodes and thus, electric charge is stored in the depletion region. After the initial charging, the electric field prevents any further current flow and thus, the capacitor stores the electric charge. As the strength of the electric field is proportional to the applied voltage, the capacitance of the capacitor varies with the applied voltage.

In summary, the UPJ2A151MHD6TN is an aluminum electrolytic capacitor of the tight adjustment type with a capacitance of 150µF, a standoff voltage of 6.3V and an extended temperature range of -40~+105℃. It is used in applications requiring high stability and reliable performance. Its working principle is based on the formation of an electric field between the two electrodes, which then polarises the electrodes and stores electric charge in the depletion region.

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