Allicdata Part #: | ELXS421VSN391MR40S-ND |
Manufacturer Part#: |
ELXS421VSN391MR40S |
Price: | $ 2.62 |
Product Category: | Capacitors |
Manufacturer: | United Chemi-Con |
Short Description: | CAP ALUM 390UF 20% 420V SNAP |
More Detail: | 390µF 420V Aluminum Electrolytic Capacitors Radial... |
DataSheet: | ELXS421VSN391MR40S Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
200 +: | $ 2.38162 |
Specifications
Series: | LXS |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Capacitance: | 390µF |
Tolerance: | ±20% |
Voltage - Rated: | 420V |
ESR (Equivalent Series Resistance): | -- |
Lifetime @ Temp.: | 5000 Hrs @ 105°C |
Operating Temperature: | -25°C ~ 105°C |
Polarization: | Polar |
Ratings: | -- |
Applications: | General Purpose |
Ripple Current @ Low Frequency: | 1.66A @ 120Hz |
Ripple Current @ High Frequency: | 2.3738A @ 50kHz |
Lead Spacing: | 0.394" (10.00mm) |
Size / Dimension: | 1.181" Dia (30.00mm) |
Height - Seated (Max): | 1.673" (42.50mm) |
Surface Mount Land Size: | -- |
Mounting Type: | Through Hole |
Package / Case: | Radial, Can - Snap-In |
Description
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Aluminum Electrolytic Capacitors – ELXS421VSN391MR40S Application Field and Working Principle
Aluminum electrolytic capacitors are a type of capacitor that uses an aluminum oxide film coated on an anode to act as the dielectric to store electrical energy via an electrolytic process. They are commonly used in consumer electronic products because of their cost effectiveness, low leakage current, and high capacitance-to-volume ratios. The ELXS421VSN391MR40S is an aluminum electrolytic capacitor series, featuring high capacitance (2.041 uF) and high ripple current (0.55 A). This makes it an ideal choice for applications in switched-mode power supplies, LED drivers, and other power supplies that require strong filtering of power rails.Structure of an Aluminum Electrolytic Capacitor
The basic structure of an aluminum electrolytic capacitor consists of a bare aluminum foil sheet referred to as the anode, that is rolled into a tube then coated with an aluminum oxide layer and sealed in a can. This can is then filled with an electrolyte that acts as a conductor for the current between the anode and the cathode, which are separated by the dielectric.How Does an Aluminum Electrolytic Capacitor Work?
An aluminum electrolytic capacitor works when the power source Polarity is applied. A small amount of electrical current passes through the electrolyte, allowing for the oxidation of the anode that occurs at the same time. This forms the dielectric layer in the form of an oxide film, that acts to store electrical energy. The higher the capacitance, the more electrical energy the capacitor can store.Applications of the ELXS421VSN391MR40S
Due to its high capacitance and high ripple current, the ELXS421VSN391MR40S is a popular choice for applications in switched-mode power supplies, LED drivers, and other power supplies that require strong filtering of power rails. It is also well suited for a variety of other applications, such as high-frequency rectification, DC-DC converters, and switching mode systems.Conclusion
The ELXS421VSN391MR40S aluminum electrolytic capacitor series is a cost-effective solution for applications that require a high-performance capacitance and high ripple current rating. Its structure and working principle make it a reliable and efficient capacitor in various consumer electronic applications.The specific data is subject to PDF, and the above content is for reference
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ELXS161VSN102MP40S | United Chemi... | 1.35 $ | 1000 | CAP ALUM 1000UF 20% 160V ... |
ELXS421VSN121MQ25S | United Chemi... | 1.35 $ | 1000 | CAP ALUM 120UF 20% 420V S... |
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ELXS3B1VSN331MP40S | United Chemi... | 1.38 $ | 1000 | CAP ALUM 330UF 20% 315V S... |
ELXS501VSN181MA30S | United Chemi... | 2.52 $ | 1000 | CAP ALUM 180UF 20% 500V S... |
ELXS3B1VSN681MA35S | United Chemi... | 2.52 $ | 1000 | CAP ALUM 680UF 20% 315V S... |
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ELXS421VSN391MR40S | United Chemi... | 2.62 $ | 1000 | CAP ALUM 390UF 20% 420V S... |
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