ALF40G331ED400

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Aluminum electrolytic capacitors are electrical components used in a wide range of applications, including audio, automotive, computer, consumer electronics, medical, power supplies, telecommunications, and test instrumentation. The ALF40G331ED400 is a high-performance, long-life aluminum electrolytic capacitor designed for use in a variety of electronic and power supply applications.

The ALF40G331ED400 aluminum electrolytic capacitor is a polarized chip capacitor developed for applications where the capacitor must withstand high temperatures and high voltages. Its primary design features include its high ripple current capability, excellent dielectric performance, low ESR, and low resistance. Its main characteristics are as follows:

KVAR: 4,000

Voltage Range: 25 to 450

Temperature Range: -55°C to +125°C

Capacitance Range: 0.22 μF (±20%) to 4.7 μF (±20%)

Sorensen\'s DC series resistance (∂): 0.5 mΩ to 2.5mΩ

The ALF40G331ED400 is constructed of a three-layer format with its anode (positive) and cathode (negative) plates being made of aluminum coated with a metal oxide material, such as tantalum pentoxide, that acts as the dielectric. The plates are backed by a solid-state electrolyte material, such as dimethylformamide, that forms the porous matrix necessary for the capacitor to function. To prevent leakage of charge from the plates, the electrolyte material is also used to fill in the gaps between the positive and negative plates.

In operation, electrical energy is stored within the capacitor by the build-up of electrons on one plate and a corresponding build-up of “holes” (absence of electrons) on the other. The stored energy is then discharged when an external current is applied across the plates. This release of the stored energy is similar to the behavior of a conventional battery.

The ALF40G331ED400 is ideal for numerous applications, including audio amplifiers, power supplies, and high voltage inverters. It is also well-suited for applications requiring a capacitor that can withstand high temperatures and high voltage. Its main advantages include its low ESR, low resistance, and its ability to handle high ripple currents. Additionally, its three-layer construction ensures it has minimal leakage current and low thermal impedance. These features make it an ideal choice for high-power automotive, industrial, medical, and consumer electronics applications.

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