ALS81H114QC040

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Aluminum electrolytic capacitors (AECs) are a common type of capacitor used in electronic circuits. The aluminum electrolytic capacitor is composed of two aluminum foils separated by an electrolyte, typically a mixture of water and ethanol. AECs are typically used for high current applications such as power supply filtering, alternating current rectification and smoothing, and signal coupling and decoupling. The ALS81H114QC040 is a type of aluminum electrolytic capacitor that is used in a variety of applications.

The ALS81H114QC040 is an axial lead, surface-mountable aluminum electrolytic capacitor. It features a rated voltage of 25V, a capacitance of 4,700µF, and an ESR of 0.15 ohm. This capacitor is equipped with 7mm pin spacing for easy mounting. It has a minimum operating temperature of -40°C and a maximum of 105°C, and a working life of 1000 hours at 85°C.

The ALS81H114QC040 is well suited for switch mode power supply and consumer electronic applications. It is often used in power supplies as an input filter capacitor, as it has a high capacitance-to-size ratio. This means it can be used to reduce AC ripple on power rails, providing a stable DC output. It is also used for coupling and decoupling circuits, as it can supply a short burst of current or prevent radio frequency interference from entering the system.

The working principle of the ALS81H114QC040 is based on Faraday’s Law of Induction. When a voltage is applied, a current will flow through the electrolyte between the two aluminum foils. This current will induce a charge on the two separate aluminum foils, creating a potential across the capacitor. This potential will be held until the voltage across the capacitor is higher than the voltage applied. The capacitance of the capacitor is determined by the surface area of the two aluminum foils and the thickness of the electrolyte between them.

In summary, the ALS81H114QC040 is an axial-lead, surface-mountable aluminum electrolytic capacitor that is commonly used in power supplies and consumer electronic applications. It is characterized by a high capacitance-to-size ratio, a rated voltage of 25V, a capacitance of 4,700µF, and an ESR of 0.15 ohm. The working principle of this capacitor is based on Faraday’s law of induction. Its capacitance is determined by the surface area of the two aluminum foils and the thickness of the electrolyte between them.

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