Allicdata Part #: | MAL218197706E3-ND |
Manufacturer Part#: |
MAL218197706E3 |
Price: | $ 0.49 |
Product Category: | Capacitors |
Manufacturer: | Vishay BC Components |
Short Description: | CAP ALUM POLY 680UF 20% 4V SMD |
More Detail: | 680µF 4V Aluminum Polymer Capacitor Radial, Can - ... |
DataSheet: | MAL218197706E3 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
5000 +: | $ 0.44533 |
Series: | 181 CPL |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Polymer |
Capacitance: | 680µF |
Tolerance: | ±20% |
Voltage - Rated: | 4V |
ESR (Equivalent Series Resistance): | -- |
Lifetime @ Temp.: | 5000 Hrs @ 105°C |
Operating Temperature: | -55°C ~ 105°C |
Ratings: | -- |
Applications: | General Purpose |
Ripple Current @ High Frequency: | 4.13A @ 100kHz |
Impedance: | 20 mOhms |
Lead Spacing: | -- |
Size / Dimension: | 0.394" Dia (10.00mm) |
Height - Seated (Max): | 0.303" (7.70mm) |
Surface Mount Land Size: | 0.409" L x 0.409" W (10.40mm x 10.40mm) |
Mounting Type: | Surface Mount |
Package / Case: | Radial, Can - SMD |
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Aluminum - Polymer Capacitors
The MAL218197706E3 is an aluminum-polymer capacitor, also known as an Al-poly capacitor. It is a type of non-traditional capacitor that was first developed in the late 1960s as an alternative to traditional electrolytic capacitors. Al-poly capacitors have become increasingly popular in the past several years as they are prized for their reliability, low ESR, high dielectric breakdown voltage, and low self-heating.
Application Field
Aluminum-polymer capacitors are used in a wide variety of electronic applications, including high power decoupling, DC-link, LED lighting, and industrial motor control. They are well suited for use in high-current applications, such as DC-DC converters and power factor correction, due to their low ESR and high ripple current ratings. Additionally, they are often used in high-temperature automotive and aerospace applications, where the higher temperature rating of Al-poly components compared to traditional electrolytic capacitors can mean the difference between success and failure.
Working Principle
At the core, Al-poly capacitors consist of a high-grade aluminum foil sandwiched between two layers of conductive polymer material. The combination of the aluminum and polymer creates a dielectric layer and a very stable capacitance. The capacitance value can be controlled by altering the materials and layout of the capacitor. By controlling the size, shape and number of layers, the capacitor can be tailored for a particular application.
Compared to traditional electrolytic capacitors, Aluminum-polymer capacitors offer a number of significant advantages, including improved ripple current ratings, better thermal stability, and higher dielectric breakdown voltages. Additionally, Al-poly capacitors offer lower ESR values compared to their traditional counterparts, making them well suited for high-current applications where low voltage drops and improved efficiency are desired.
Aluminum-polymer capacitors are now gaining widespread acceptance due to their high reliability and stability. As more engineers and designers become aware of the advantages of this new type of capacitor technology, their popularity is likely to continue to grow in the coming years.
The specific data is subject to PDF, and the above content is for reference
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