381LX392M100A052

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.047" (52.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	4.4A @ 20kHz
Ripple Current @ Low Frequency:	3.8A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	381LX
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	31 mOhm @ 120Hz
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	3900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important type of capacitors used in many electronic circuits. These capacitors are characterized by a relatively large capacity in comparison to their size, as well as by their relatively high tolerance for temperature and voltage fluctuations. They are widely used in consumer, industrial, and military electronic devices.The 381LX392M100A052 capacitor is a particular type of aluminum electrolytic capacitor. It is a 4-lead, surface mountable, snap-in capacitor designed for applications such as power supplies, switching regulators, and UPSs. It features a low equivalent series resistance (ESR) and a high capacitance-to-size ratio.This capacitor is composed of three main components: an anode formed from foil and a cathode formed from foil and insulated by an electrolyte in the form of a rolled-up paper membrane. When an electric charge is applied to the system, an electrostatic field forms between the two electrodes. As the electric field increases, it inverse electrolytic reaction occurs. This process separates some of the positive ions from the negative ions in the electrolyte and causes them to form electrochemical deposition layers on the anode and cathode. These layers, known as capacitance layers, then form a storage medium for electrical energy and thus act as a capacitor.The capacity of 381LX392M100A052 is rated at 392 μF, while its voltage rating is 100 VDC. With a temperature range of -55°C to +105°C and a lifetime of 3000 h at +105°C and 500 h at +125°C, it is suitable for many applications requiring a high-load capacitance.In addition, the capacitor has several features that makes it suitable for a wide range of applications. It is designed with self-healing properties, meaning any type of shorts or breakdown caused by long time over-voltage will be automatically restored. It is also designed with a radial snap-in construction, which simplifies assembly and allows for secure mounting and prevent accidental contact which can cause shock or short circuits. Its low leakage current helps to reduce power losses in power supplies and low frequency switching regulators.In conclusion, this aluminum electrolytic capacitor has a wide range of applications in power supplies, switching regulators, and UPSs due to its features of high capacity, low ESR, snap-in construction and low leakage current. These features ensure that the capacitor achieves its purpose of storing and releasing energy over time, while also allowing for a higher temperature range and a longer life.

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