Allicdata Part #: | 338-3780-ND |
Manufacturer Part#: |
381LR821M250K042 |
Price: | $ 2.67 |
Product Category: | Capacitors |
Manufacturer: | Cornell Dubilier Electronics (CDE) |
Short Description: | CAP ALUM 820UF 20% 250V SNAP |
More Detail: | 820µF 250V Aluminum Electrolytic Capacitors Radial... |
DataSheet: | 381LR821M250K042 Datasheet/PDF |
Quantity: | 407 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 2.42100 |
10 +: | $ 2.17935 |
100 +: | $ 1.64669 |
500 +: | $ 1.35608 |
1000 +: | $ 1.25921 |
2500 +: | $ 1.25460 |
Polarization: | Polar |
Package / Case: | Radial, Can - Snap-In |
Mounting Type: | Through Hole |
Surface Mount Land Size: | -- |
Height - Seated (Max): | 1.654" (42.00mm) |
Size / Dimension: | 1.181" Dia (30.00mm) |
Lead Spacing: | 0.394" (10.00mm) |
Ripple Current @ High Frequency: | 3.76A @ 20kHz |
Ripple Current @ Low Frequency: | 2.63A @ 120Hz |
Applications: | General Purpose |
Ratings: | -- |
Series: | 381LR |
Operating Temperature: | -40°C ~ 105°C |
Lifetime @ Temp.: | 3000 Hrs @ 105°C |
ESR (Equivalent Series Resistance): | 182 mOhm @ 120Hz |
Voltage - Rated: | 250V |
Tolerance: | ±20% |
Capacitance: | 820µF |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Aluminum electrolytic capacitors, also known as electrolytic capacitors, are devices composed of an anode and a cathode made of aluminum plate, which are separated by a medium, an electrolyte. Commonly used electrolytes are organic solvents, ethylene glycol, and aqueous solutions of aqueous solutions. The aluminum electrolytic capacitor with part number "381LR821M250K042" is mainly used in the field of power management, especially in switching power supply applications, such as LCD TVs, audio amplifiers and MP3 players.
In a typical aluminum electrolytic capacitor, the anode consists of a pure aluminum foil with a very thin insulating oxide layer. This oxide layer acts as a dielectric material and has a high dielectric constant, which largely determines the overall capacitance of the capacitor. The negative electrode of the aluminum electrolytic capacitor is made of carbon paste, which is usually a graphite powder. The electrolyte is an aqueous solution. The combination of the anode and cathode, electrolyte, and electrical interactions between them forms a capacitor, which can store charge and provides current flow in the circuit.
The aluminum electrolytic capacitor with part number "381LR821M250K042" is special because of its large capacitance and low ESR. The large capacitance of the capacitor is useful in power management applications as it is able to store energy in the presence of high frequencies and sudden, large pulses. This makes the capacitor effective when used in AC-DC power conversion and as a filter capacitor. Furthermore, its low ESR allows it to handle large peak currents with minimal voltage drops at high frequencies.
The working principle of aluminum electrolytic capacitors is based on the chemical reaction of the aluminum oxide layer on the anode and the electrolyte. When the capacitor is first connected to a voltage source, an electric field is created between the anode and the electrolyte, which causes the oxide layer to break down, forming a chemical bridge between the two. This bridge allows for current flow between the two, and the resulting charge is stored in the capacitive plates.
While the part number "381LR821M250K042" is used mainly in power management applications, aluminum electrolytic capacitors are used in a variety of other applications, including telecommunication equipment, automotive electronics, computers, home appliances, industrial automation and instrumentation. In each of these applications, the aluminum electrolytic capacitor provides reliable, effective and efficient power management solutions.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
381LX470M450H022 | Cornell Dubi... | 1.74 $ | 2025 | CAP ALUM 47UF 20% 450V SN... |
381LX472M063A022 | Cornell Dubi... | 1.96 $ | 1112 | CAP ALUM 4700UF 20% 63V S... |
381LX561M200K012 | Cornell Dubi... | 2.07 $ | 532 | CAP ALUM 560UF 200V 20% S... |
381LX153M025A022 | Cornell Dubi... | 2.33 $ | 8 | CAP ALUM 15000UF 25V 20% ... |
381LX103M025K022 | Cornell Dubi... | 2.36 $ | 188 | CAP ALUM 10000UF 20% 25V ... |
381LX562M035K012 | Cornell Dubi... | 2.37 $ | 300 | CAP ALUM 5600UF 20% 35V S... |
381LQ151M450H042 | Cornell Dubi... | 2.41 $ | 2989 | CAP ALUM 150UF 450V 20% S... |
381LX472M050A012 | Cornell Dubi... | 2.42 $ | 520 | CAP ALUM 4700UF 20% 50V S... |
381LX222M100A022 | Cornell Dubi... | 2.46 $ | 394 | CAP ALUM 2200UF 100V 20% ... |
381LX221M400A022 | Cornell Dubi... | 2.54 $ | 216 | CAP ALUM 220UF 20% 400V S... |
381LX223M025A032 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 22000UF 25V 20% ... |
381LX332M100K052 | Cornell Dubi... | 2.66 $ | 228 | CAP ALUM 3300UF 20% 100V ... |
381LX472M080A042 | Cornell Dubi... | 2.86 $ | 1442 | CAP ALUM 4700UF 20% 80V S... |
381LX562M063A032 | Cornell Dubi... | 2.9 $ | 699 | CAP ALUM 5600UF 63V 20% S... |
381LX123M050A452 | Cornell Dubi... | 2.94 $ | 592 | CAP ALUM 12000UF 20% 50V ... |
381LX103M063A052 | Cornell Dubi... | 2.98 $ | 759 | CAP ALUM 10000UF 63V 20% ... |
381LR681M250A022 | Cornell Dubi... | 3.15 $ | 457 | CAP ALUM 680UF 20% 250V S... |
381LX821M200J052 | Cornell Dubi... | 3.22 $ | 22 | CAP ALUM 820UF 20% 200V S... |
381LX822M035A012 | Cornell Dubi... | 3.4 $ | 532 | CAP ALUM 8200UF 35V 20% S... |
381LX222M063J022 | Cornell Dubi... | 3.42 $ | 144 | CAP ALUM 2200UF 63V 20% S... |
381LX561M250A012 | Cornell Dubi... | 3.48 $ | 773 | CAP ALUM 560UF 250V 20% S... |
381LR221M450J452 | Cornell Dubi... | 3.68 $ | 291 | CAP ALUM 220UF 20% 450V S... |
381LX471M400A052 | Cornell Dubi... | 3.77 $ | 634 | CAP ALUM 470UF 20% 400V S... |
381LX391M400K052 | Cornell Dubi... | 3.81 $ | 538 | CAP ALUM 390UF 20% 400V S... |
381LX102M250A042 | Cornell Dubi... | 4.61 $ | 771 | CAP ALUM 1000UF 250V 20% ... |
381LX103M025J032 | Cornell Dubi... | 4.62 $ | 106 | CAP ALUM 10000UF 25V 20% ... |
381LX221M400J452 | Cornell Dubi... | 4.66 $ | 560 | CAP ALUM 220UF 20% 400V S... |
381LX101M450J042 | Cornell Dubi... | 5.08 $ | 139 | CAP ALUM 100UF 20% 450V S... |
381LQ222M200K052 | Cornell Dubi... | 5.35 $ | 880 | CAP ALUM 2200UF 20% 200V ... |
381LX472M063J052 | Cornell Dubi... | 5.39 $ | 263 | CAP ALUM 4700UF 63V 20% S... |
381LQ103M050A022 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 10000UF 20% 50V ... |
381LQ103M050K042 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 10000UF 20% 50V ... |
381LQ152M080J012 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 1500UF 20% 80V S... |
381LQ153M025H452 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 15000UF 20% 25V ... |
381LQ153M035J452 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 15000UF 20% 35V ... |
381LQ153M035K032 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 15000UF 20% 35V ... |
381LQ183M025H052 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 18000UF 20% 25V ... |
381LQ183M025K022 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 18000UF 20% 25V ... |
381LQ222M100H452 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 2200UF 20% 100V ... |
381LQ223M016H452 | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 22000UF 20% 16V ... |
CAP ALUM 33UF SMD33F 400V Aluminum Elect...
CAP ALUM 33UF SMD33F 400V Aluminum Elect...
CAP ALUM 68UF SMD68F 250V Aluminum Elect...
CAP ALUM 68UF SMD68F 250V Aluminum Elect...
CAP ALUM 100UF SMD100F 200V Aluminum Ele...
CAP ALUM 100UF SMD100F 200V Aluminum Ele...