SLP331M250A3P3

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Aluminum Electrolytic Capacitors are the most widely used type of electrolytic capacitor. SLP331M250A3P3 is a radial leaded, miniature aluminum electrolytic capacitor. It is made with a non-solid electrolyte and utilizes a spiral wound aluminum foil to provide high capacitance in a small size. It offers temperature range of-40°C +105°C and has maximum ripple current of 31 mA.

The SLP331M250A3P3 has voltage rating of 35 VDC and is available in various capacitance values ranging from 0.1 uF to 22 uF. It is suitable for applications such as DC-DC converters, anti-aliasing filters, high-frequency filtration and rectification circuits, low-loss medical electronic apparatus, high current power supplies, switching power converters, audio signal coupling, etc.

This aluminum electrolytic capacitor is a polarized component, with the polarity indicated by a “+” marking on the body and a “–” marking on the more negative lead. It should be connected in the circuit so that the “+” marking is in the positive direction. The leads and two terminals of the capacitor should be soldered or connected to the circuit by welding.

The working principle of an aluminum electrolytic capacitor is based on the Faraday Effect. When an electrical current passes through the anode, it passes through an electrolyte layer and then to the cathode. The electrolyte layer’s electrical resistance causes an electrical voltage drop, which creates a build-up of charge on both the anode and the cathode. This charges create an electric double layer between the two sides of the capacitor and produces an electrical field across the charged surfaces.

The aluminum electrolytic capacitor also has a dielectric layer which further amplifies the electric field between the two surfaces. This increased electric field increases the capacitance of the capacitor. The dielectric layer also serves as an electrical insulator, helping to prevent short circuits between the two sides of the capacitor. This increases the capacitance, allowing it to store more energy.

The SLP331M250A3P3 aluminum electrolytic capacitor offers a combination of good electrical properties, including noise immunity, low ESR, and high capacitance in a small size. Its capacitance is stable over time and temperature, and it is ideal for applications in mobile, automotive and power supply designs. Its multiple mounting options make it easy to integrate into any system, and its high ripple current rating makes it well suited for a variety of power applications.

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