ALS81P392NF500

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.213" (107.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	46 mOhms
Ripple Current @ High Frequency:	19A @ 10kHz
Ripple Current @ Low Frequency:	12.2A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS81
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	61 mOhm @ 100Hz
Voltage - Rated:	500V
Tolerance:	±20%
Capacitance:	3900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important type of electronic components and are widely used in power electronics, such as computer motherboards, voice coils, switching amplifiers, automatic control systems and power lines. They have good properties of low equivalent series resistance (ESR), high capacitance, long life, low leakage current and low cost. Among the different types of aluminum electrolytic capacitors, the ALS81P392NF500 is a non-polarized axial lead type aluminum electrolytic capacitor with a nominal capacitance of 500 μF.The ALS81P392NF500 has a small size of about 20mm in length and 11mm in diameter which enables it to be used in many electronic applications where space is limited. It is also used for voltage storage and filtering applications in which the large capacitance and long working life are important. With its wide operating temperature range of -40 to +85 degrees Celsius, it is ideal for use in a variety of extreme conditions.The ALS81P392NF500 consists of two conducting plates, called electrodes, separated by a distance within which an electric field is established. The capacitor is filled with an electrolyte consisting of an organic solvent containing an electrolyte salt and an anode material. The plates are separated by an insulating dielectric, an oxide film, on the anode surface. As a voltage is applied, electrons flow from the anode to the cathode, forming a ‘negative’ charge on the anode and a ‘positive’ charge on the cathode. This creates an electric field that induces an energy storage in the capacitor, allowing it to hold a charge for a period of time.The amount of energy stored in an aluminum capacitor is determined by the capacitance of the device. This is the ratio of the charge stored in the capacitor to the voltage applied across it. The capacitance of the ALS81P392NF500 is 500 μF which is relatively high compared to other aluminum electrolytic capacitors. This allows the device to store much more energy than a conventional capacitor and is therefore ideal for applications that require high storage capability such as power factor correction.In addition to its high capacitance, the ALS81P392NF500 also offers benefits of low equivalent series resistance (ESR). This is a measure of the resistance that a capacitor has to the flow of discharged current and is typically much lower in aluminum electrolytic capacitors. This feature enables the capacitor to maintain its charge more effectively than conventional capacitors, and therefore enables a more efficient power factor correction.In conclusion, the ALS81P392NF500 is an ideal choice for many applications which require a high capacitance and low ESR. Its small size, wide operating temperature range, and long working life make it ideal for power factor correction, voltage storage, and filtering applications. All of these features and benefits make the ALS81P392NF500 a reliable and efficient choice for a variety of applications.

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