381LR471M200J022 Allicdata Electronics
Allicdata Part #:

338-2497-ND

Manufacturer Part#:

381LR471M200J022

Price: $ 1.78
Product Category:

Capacitors

Manufacturer: Cornell Dubilier Electronics (CDE)
Short Description: CAP ALUM 470UF 20% 200V SNAP
More Detail: 470µF 200V Aluminum Electrolytic Capacitors Radial...
DataSheet: 381LR471M200J022 datasheet381LR471M200J022 Datasheet/PDF
Quantity: 1320
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 1.61100
10 +: $ 1.29960
100 +: $ 1.01354
500 +: $ 0.75364
1000 +: $ 0.70166
2500 +: $ 0.67568
5000 +: $ 0.67320
Stock 1320Can Ship Immediately
$ 1.78
Specifications
Polarization: Polar
Package / Case: Radial, Can - Snap-In
Mounting Type: Through Hole
Surface Mount Land Size: --
Height - Seated (Max): 1.260" (32.00mm)
Size / Dimension: 0.984" Dia (25.00mm)
Lead Spacing: 0.394" (10.00mm)
Ripple Current @ High Frequency: 2.64A @ 20kHz
Ripple Current @ Low Frequency: 1.85A @ 120Hz
Applications: General Purpose
Ratings: --
Series: 381LR
Operating Temperature: -40°C ~ 105°C
Lifetime @ Temp.: 3000 Hrs @ 105°C
ESR (Equivalent Series Resistance): 317 mOhm @ 120Hz
Voltage - Rated: 200V
Tolerance: ±20%
Capacitance: 470µF
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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Aluminum electrolytic capacitors are a type of electrolytic capacitor that uses an aluminum oxide film as its dielectric insulator. This type of capacitor is often used in aircraft and other electronic devices due to its high energy density and long life expectancy. The capacitor is labeled with a code, such as 381LR471M200J022, that identifies the characteristics of the capacitor.

Construction and Features

The construction of aluminum electrolytic capacitors consists of two rolled aluminum foils separated by paper or plastic insulation and impregnated with an electrolyte solution. At one end of this construction, an aluminum oxide film is formed by anodization. The code on the capacitor serves three purposes. First, it identifies the manufacturer and the series of the capacitor. Second, it provides an indication of the capacitance and voltage ratings. Finally, it gives information about the physical size of the capacitor.

The 381LR471M200J022 capacitor, for instance, is a conventional short leads type aluminum electrolytic capacitor with a capacitance of 47 microfarads. The code with the “L” prefix indicates that it is a low impedance electrolytic capacitor with a voltage rating of 16 VDC, which is sufficient for most applications. The code also shows that the capacitor has a diameter of 10 mm, a height of 20.5 mm, and a lead spacing of 7.5 mm.

Applications

Aluminum electrolytic capacitors, such as the 381LR471M200J022 model, are typically used in a wide range of electronic devices. Key applications include audio equipment and sound systems, amplifiers, power supplies, control circuits, and instruments. In aircraft, these capacitors are used for power conditioning, power regulation, and in-flight entertainment systems.

Working Principle

Aluminum electrolytic capacitors work on the principle of electrons being transferred from the anode to the cathode, producing a positive charge on one end and a negative charge on the other. A layer of aluminum oxide further separates the anode and cathode, preventing further electron transfer and creating an electric field across the capacitor. When an external voltage is applied to the capacitor, it builds a charge until the voltage across the capacitor is equal to the applied voltage.

Conclusion

Aluminum electrolytic capacitors, such as 381LR471M200J022, provide high energy density and long life expectancy and are used in a wide range of applications. The label on the capacitor provides the necessary information about the capacitance, voltage rating, physical size, and other characteristics. These capacitors work on the principle of electron transfer from the anode to the cathode, creating an electric field across the capacitor.

The specific data is subject to PDF, and the above content is for reference

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