ECE-A1EKA4R7

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are passive electronic components that use an electrolyte as a double layer of dielectric to store energy in the form of an electric field. An aluminum electrolytic capacitor is composed of two electrically conductive surfaces that are separated by an electrolyte and a dielectric material. The aluminum electrolytic capacitor is made up of an electrolytically deposited layer of aluminum oxide on the surface of an aluminum foil that acts as the anode, and a layer of paper, organic fiber, or other material acting as the cathode. The dielectric layer between the anode and cathode provides the electrical insulation needed to prevent current leakage.

The ECE-A1EKA4R7 aluminum electrolytic capacitor is a small, surface mountable, radial-lead capacitance element that features low height, low ESR, and high capacitance in a very small form factor. The capacitor is designed for high pulse current applications and has a wide operating temperature range from -40°C to +85°C. The radial lead design makes it easy to mount on a PCB and is available in a variety of capacitance values ranging from 10µF to 470µF and voltage ratings from 2.5V to 16V.

The construction of an aluminum electrolytic capacitor includes a series of external leads that are connected to the anode, cathode, and electrolyte. When a voltage is applied to the anode, electrons are attracted to the positively charged anode, thus generating a current. This current flow causes the dielectric material to expand, which creates a double layer of electron transfer between the anode and the cathode. This double layer of charge is referred to as capacitance, and it is capable of storing electrical energy when a voltage is applied.

The working principle of an ECE-A1EKA4R7 aluminum electrolytic capacitor is that the capacitor builds up a voltage on its plates when connected to an alternating current (AC) source, and then slowly discharges the stored energy when the source is removed. This process is known as “capacitance charge and discharge.” The capacitor acts as a voltage source, storing energy in the form of an electrostatic field between its plates. The capacitor allows current to flow in alternate directions in order to make it easier to store energy when there is an alternating current present. When the alternating current is removed, the stored energy slowly dissipates over time.

Aluminum electrolytic capacitors are widely used in a variety of applications due to their small size and relatively low cost. They are commonly found in audio/video equipment, power supplies, circuit boards, and telecommunications equipment, among other applications. The ECE-A1EKA4R7 aluminum electrolytic capacitor is a highly reliable, cost-effective solution for many high-power electrical applications and is available in a variety of sizes and ratings for different applications.