
Allicdata Part #: | ALS81U123NS400-ND |
Manufacturer Part#: |
ALS81U123NS400 |
Price: | $ 44.51 |
Product Category: | Capacitors |
Manufacturer: | KEMET |
Short Description: | CAP ALUM 12000UF 20% 400V SCREW |
More Detail: | 12000µF 400V Aluminum Electrolytic Capacitors Radi... |
DataSheet: | ![]() |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
48 +: | $ 40.46150 |
Specifications
Polarization: | Polar |
Package / Case: | Radial, Can - Screw Terminals |
Mounting Type: | Chassis Mount |
Surface Mount Land Size: | -- |
Height - Seated (Max): | 7.717" (196.00mm) |
Size / Dimension: | 3.031" Dia (77.00mm) |
Lead Spacing: | 1.252" (31.80mm) |
Impedance: | 12 mOhms |
Ripple Current @ High Frequency: | 25.7A @ 10kHz |
Ripple Current @ Low Frequency: | 18.9A @ 100Hz |
Applications: | General Purpose |
Ratings: | -- |
Series: | ALS81 |
Operating Temperature: | -40°C ~ 105°C |
Lifetime @ Temp.: | 2000 Hrs @ 105°C |
ESR (Equivalent Series Resistance): | 18 mOhm @ 100Hz |
Voltage - Rated: | 400V |
Tolerance: | ±20% |
Capacitance: | 12000µF |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
Description
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Aluminum electrolytic capacitors are components commonly used in electronics projects due to their ability to store electric charge, typically when power is fluctuating. In particular, the ALS81U123NS400 series are a specific type of device, known for their intriguing characteristics and reliable performance. This article will explain their application field and working principle, as well as why they have emerged as a popular choice for modern electronic designs.To begin, the ALS81U123NS400 aluminum electrolytic capacitors possess unique properties that make them well-suited to certain applications. They are a class of non-polar capacitors, meaning that they can be powered by both positive and negative voltage sources. Additionally, the series is able to withstand extreme temperatures, from -25°C to +125°C. This makes them suitable for environments where temperatures vary, such as industrial equipment. The capacitors in the ALS81U123NS400 series are particularly attractive because of their low Equivalent Series Resistance (ESR). Their ESR rating is typically between 5 and 15 milliohms, allowing for efficient energy storage without dissipating too much heat. The series also features a wide capacitance range, from 10uF to 100uF. This makes them capable of storing substantial amounts of electric energy for extended periods of time. In terms of working principle, the ALS81U123NS400 aluminum electrolytic capacitors operate by holding electric energy between two electrodes. The outer casing of the device consists of an aluminum cylinder, wound with multiple layers of aluminum foil. This forms an anode, while the other electrode is typically a metalized film, with electrolyte impregnated into it. This layer is called the cathode. When the anode and the cathode are connected with a DC power source, electric charge collects on the electrodes, creating a static electric field and enabling energy storage. Thanks to their efficient ESR and high capacitance, the ALS81U123NS400 aluminum electrolytic capacitors have enjoyed widespread popularity in consumer electronics projects. They can be used to smooth out small voltage fluctuations, filter out noise, and provide smooth power supplies to sensitive components. Additionally, their tolerance to extreme temperatures makes them suitable for high-end industrial applications, where maintaining a steady supply of power is essential. In conclusion, the ALS81U123NS400 series of aluminum electrolytic capacitors offer a range of superior properties, making them an excellent choice for many electronics projects. They are non-polar, highly efficient in terms of ESR, and capable of withstanding extreme temperatures. The capacitors in this series are relatively small and lightweight, yet they offer substantial energy storage capacities. As more electronic projects are developed, it is likely that this series will remain a popular choice for many applications.
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