159TTA025M

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Aluminum electrolytic capacitors are widely used in electronic circuits due to their large capacitance, small size, and relatively inexpensive cost. They are divided into two broad groups: electrical double layer capacitors (EDLCs) and electrolytic capacitors (ECs). The 159TTA025M is an aluminum electrolytic capacitor which is one specific type of EC.

The 159TTA025M is a non-solid electrolytic capacitor with polarised radial leads, offering a high capacitance of 25μF and maximum ripple current of 350mA at 120Hz. It has an operating temperature range of -55℃ to +125℃ and a lifetime of 2000 hours at +85℃. Its rated voltage is 25V.

The 159TTA025M is a widely used capacitor for low ripple current applications such as power factor correction (PFC) in telecommunication systems and audio power amplifiers, voltage regulation of switching power supplies, and filter applications. Its small size and high capacitance make it ideal for carrying out these tasks with minimal space allocation.

The 159TTA025M consists of an anode of aluminum and a cathode of metal oxide. When a voltage is applied between the anode and the cathode, the metal oxide breaks down and forms a thin dielectric film on the aluminum anode. This is known as the dielectric layer. This dielectric layer and the metal oxide form an electric double layer structure. The capacitance is determined by the surface area of the dielectric layer, the thickness of the layer, and the applied voltage. The 159TTA025M uses a solid electrolyte composed of organic material that is impregnated with an electrolyte solution to form a gel. This gel allows for electrolyte ions to move through it more easily, allowing for a more uniform electrical double layer and higher capacitance.

In summary, the 159TTA025M is an aluminum electrolytic capacitor with a high capacitance of 25μF and a maximum ripple current of 350mA at 120Hz. It is typically used for PFC, voltage regulation, and filter applications in telecommunication systems and audio power amplifiers. The 159TTA025M consists of an anode of aluminum, a cathode of metal oxide, and a solid electrolyte composed of an organic material impregnated with an electrolyte solution which allows for a more uniform electrical double layer and higher capacitance.

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