EEF-LR0G121R Capacitors |
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Allicdata Part #: | PCE5108TR-ND |
Manufacturer Part#: |
EEF-LR0G121R |
Price: | $ 0.34 |
Product Category: | Capacitors |
Manufacturer: | Panasonic Electronic Components |
Short Description: | CAP ALUM POLY 120UF 20% 4V SMD |
More Detail: | 120µF 4V Aluminum Polymer Capacitor 2917 (7343 Met... |
DataSheet: | EEF-LR0G121R Datasheet/PDF |
Quantity: | 3500 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
3500 +: | $ 0.30469 |
7000 +: | $ 0.29381 |
10500 +: | $ 0.28292 |
Series: | SP-Cap, LR |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Polymer |
Capacitance: | 120µF |
Tolerance: | ±20% |
Voltage - Rated: | 4V |
ESR (Equivalent Series Resistance): | 9 mOhm |
Lifetime @ Temp.: | 2000 Hrs @ 105°C |
Operating Temperature: | -55°C ~ 105°C |
Ratings: | -- |
Applications: | General Purpose |
Ripple Current @ High Frequency: | 6.3A @ 100kHz |
Lead Spacing: | -- |
Size / Dimension: | 0.287" L x 0.169" W (7.30mm x 4.30mm) |
Height - Seated (Max): | 0.039" (1.00mm) |
Surface Mount Land Size: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 2917 (7343 Metric) |
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Aluminum-Polymer Capacitors
Aluminum-polymer capacitors are widely used in power applications, such as in electric motors, signal or energy transmissions, or even as energy storage elements. The capacitor consists of an anode, which is an aluminum foil with a surface coating of a dielectric material; and a cathode, which is typically a polymer film. The two conductors are then connected together with an electrolyte, which is usually a liquid electrolyte.
EEF-LR0G121R Application Field and Working Principle
The EEF-LR0G121R is an aluminum-polymer capacitor designed for high-power applications. It is rated for a maximum continuous voltage of 10 V and a maximum ripple current of 16 A (at a frequency of 125 Hz). This capacitor provides excellent low-ESR performance and high- frequency characteristics, making it suitable for high-frequency rectifiers, dc-dc converters, switched-mode power supplies, and other power applications.
To understand how this aluminum-polymer capacitor works, it is important to understand the basic operation of a capacitor. A capacitor is a two-terminal device that stores energy electrostatically. It achieves this by storing an electrical charge on its plates, which are separated by an insulating material (dielectric). When an electrical source is connected to the capacitor, charge is stored in the two plates. This creates an electric field (dielectric field) which results in energy being stored in the capacitor.
The operation of the EEF-LR0G121R aluminum-polymer capacitor is based on these principles. The capacitor is designed to have an extremely low Equivalent Series Resistance (ESR), which is essential for achieving high performance at high-frequency applications. This is due to the use of a very thin dielectric layer between the anode and cathode. This thin layer results in a high capacitance to surface area ratio and a relatively low dielectric loss. As a result, the capacitor has an extremely low ESR and provides high ripple current capability.
In addition, the capacitor has a very low self-discharge rate, meaning that the energy stored in the capacitor is not lost even when the capacitor is not connected to a power source. This makes it ideal for applications in which energy needs to be stored for a long period of time.
In summary, the EEF-LR0G121R aluminum-polymer capacitor is a highly efficient capacitor designed for high voltage and high power applications. It has a low equivalent series resistance, high capacitance to surface area ratio, and low dielectric loss, making it an ideal choice for applications in which energy needs to be stored for a long period of time.
The specific data is subject to PDF, and the above content is for reference
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