Allicdata Part #: | E81D251VNN821MA40W-ND |
Manufacturer Part#: |
E81D251VNN821MA40W |
Price: | $ 2.11 |
Product Category: | Capacitors |
Manufacturer: | United Chemi-Con |
Short Description: | CAP ALUM 820UF 250V RADIAL |
More Detail: | Aluminum Electrolytic Capacitors |
DataSheet: | E81D251VNN821MA40W Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
200 +: | $ 1.91174 |
Series: | 81D |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Ratings: | -- |
Moisture Sensitivity Level (MSL): | -- |
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Aluminum Electrolytic Capacitors
E81D251VNN821MA40W aluminum electrolytic capacitors are one type of capacitor used in electronic circuits. They are composed of two aluminum foils each separated by an insulating material, commonly known as an electrolyte. Aluminum electrolytic capacitors offer high capacitance and stability with relatively low cost and high reliability.
Application Field
Aluminum electrolytic capacitors are widely used in many electronic devices, such as computers, audio equipment, automotive electronics, and consumer electronics. They are commonly used in applications where high performance, stability, and reliability are required, such as in power supply filtering, signal conditioning, and timing circuits.
Working Principle
Aluminum electrolytic capacitors work on the principle of electrolysis. When the capacitor is charged with a voltage, the anode aluminum plate becomes positively charged and attracts negative charges out of the electrolyte. At the same time, the positively charged cathode attracts positive charges from the electrolyte. This creates a layer of electric field between the two plates, and the capacitance is created. The capacitance of the capacitor depends on the amount of electric field between the plates.
The aluminum electrolytic capacitor also relies on the dielectric constant of the electrolyte to maintain the electric field between the plates. A higher dielectric constant increases the capacitance, while a lower dielectric constant decreases the capacitance. Furthermore, various types of electrolyte have different operating temperature ranges. The most common electrolyte used in aluminum electrolytic capacitors is a mixture of water and boric acid, which is known to provide reliable operation between -40°C and 105°C.
Aluminum electrolytic capacitors are also known to have excellent stability in temperature. Due to the solid nature of the electrolyte, the amount of capacitance does not significantly change with increasing temperature. Moreover, the voltage rating of most aluminum electrolytics is much higher than that of other types of capacitors, and they are known to have low equivalent series resistance (ESR). Together, these characteristics make aluminum electrolytic capacitors an excellent choice for many different types of electronic applications.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
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E81D630VNN222MR25T | United Chemi... | 1.09 $ | 1000 | CAP ALUM 2200UF 63V RADIA... |
E81D401VNN121MQ30T | United Chemi... | 1.15 $ | 1000 | CAP ALUM 120UF 400V RADIA... |
E81D630VNN332MQ35N | United Chemi... | 1.15 $ | 1000 | CAP ALUM 3300UF 63V RADIA... |
E81D251VNN281MQ25T | United Chemi... | 1.15 $ | 1000 | CAP ALUM 280UF 250V RADIA... |
E81D630VNN332MQ35T | United Chemi... | 1.15 $ | 1000 | CAP ALUM 3300UF 63V RADIA... |
E81D101VNN102MR30T | United Chemi... | 1.17 $ | 1000 | CAP ALUM 1000UF 100V RADI... |
E81D500VNN332MR30T | United Chemi... | 1.17 $ | 1000 | CAP ALUM 3300UF 50V RADIA... |
E81D500VNN472MQ35T | United Chemi... | 1.17 $ | 1000 | CAP ALUM 4700UF 50V RADIA... |
E81D800VNN182MQ40T | United Chemi... | 1.17 $ | 1000 | CAP ALUM 1800UF 80V RADIA... |
E81D630VNN272MR25T | United Chemi... | 1.14 $ | 1000 | CAP ALUM 2700UF 63V RADIA... |
E81D101VNN152MQ50T | United Chemi... | 1.33 $ | 1000 | CAP ALUM 1500UF 100V RADI... |
E81D101VNN152MA30T | United Chemi... | 1.34 $ | 1000 | CAP ALUM 1500UF 100V RADI... |
E81D251VNN471MR35T | United Chemi... | 1.34 $ | 1000 | CAP ALUM 470UF 250V RADIA... |
E81D350VNN103MA35T | United Chemi... | 1.34 $ | 1000 | CAP ALUM 10000UF 35V RADI... |
E81D201VNN471MQ35W | United Chemi... | 1.35 $ | 1000 | CAP ALUM 470UF 200V RADIA... |
E81D500VNN562MA35T | United Chemi... | 1.37 $ | 1000 | CAP ALUM 5600UF 50V RADIA... |
E81D251VNN331MQ35W | United Chemi... | 1.37 $ | 1000 | CAP ALUM 330UF 250V RADIA... |
E81D251VNN391MQ40T | United Chemi... | 1.38 $ | 1000 | CAP ALUM 390UF 250V RADIA... |
E81D630VNN392MQ40C | United Chemi... | 1.38 $ | 1000 | CAP ALUM 3900UF 63V RADIA... |
E81D630VNN472MR35T | United Chemi... | 1.38 $ | 1000 | CAP ALUM 4700UF 63V RADIA... |
E81D401VND471MA45T | United Chemi... | 2.53 $ | 1000 | CAP ALUM 470UF 400V RADIA... |
E81D350LCN332MQ40T | United Chemi... | 2.59 $ | 1000 | CAP ALUM 3300UF 35V RADIA... |
E81D350VNN123MR35T | United Chemi... | 1.42 $ | 1000 | CAP ALUM 12000UF 35V RADI... |
E81D500VNN562MR40T | United Chemi... | 1.42 $ | 1000 | CAP ALUM 5600UF 50V RADIA... |
E81D630VNN472MA35T | United Chemi... | 1.43 $ | 1000 | CAP ALUM 4700UF 63V RADIA... |
E81D630VNN562MR50T | United Chemi... | 1.43 $ | 1000 | CAP ALUM 5600UF 63V RADIA... |
E81D201VSN202MA55T | United Chemi... | 2.79 $ | 1000 | CAP ALUM 2000UF 200V RADI... |
E81D201VNN222MA80T | United Chemi... | 2.83 $ | 1000 | CAP ALUM 2200UF 200V RADI... |
E81D251VNN152MA63T | United Chemi... | 2.89 $ | 1000 | CAP ALUM 1500UF 250V RADI... |
E81D451VSN471MA55T | United Chemi... | 2.69 $ | 1000 | CAP ALUM 470UF 450V RADIA... |
E81D630VNN682MR40T | United Chemi... | 1.45 $ | 1000 | CAP ALUM 6800UF 63V RADIA... |
E81D451VNN391MR50T | United Chemi... | 2.17 $ | 1000 | CAP ALUM 390UF 450V RADIA... |
E81D401VNN391MA50N | United Chemi... | 2.17 $ | 1000 | CAP ALUM 390UF 400V RADIA... |
E81D501VNN221MA35T | United Chemi... | 2.17 $ | 1000 | CAP ALUM 220UF 500V RADIA... |
E81D251VNN102MA50T | United Chemi... | 2.19 $ | 1000 | CAP ALUM 1000UF 250V RADI... |
E81D501VSN221MR45T | United Chemi... | 2.2 $ | 1000 | CAP ALUM 220UF 500V RADIA... |
E81D630VNN123MA50T | United Chemi... | 2.2 $ | 1000 | CAP ALUM 12000UF 63V RADI... |
E81D401VNN471MA45T | United Chemi... | 2.22 $ | 1000 | CAP ALUM 470UF 400V RADIA... |
E81D451VSD331MA40T | United Chemi... | 2.27 $ | 1000 | CAP ALUM 330UF 450V RADIA... |
E81D100VNN153MQ40T | United Chemi... | 1.07 $ | 1000 | CAP ALUM 15000UF 10V RADI... |
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