EEF-UE0E391LR Allicdata Electronics
Allicdata Part #:

PCE4261TR-ND

Manufacturer Part#:

EEF-UE0E391LR

Price: $ 0.63
Product Category:

Capacitors

Manufacturer: Panasonic Electronic Components
Short Description: CAP ALUM POLY 390UF 20% 2.5V SMD
More Detail: 390µF 2.5V Aluminum Polymer Capacitor 2917 (7343 M...
DataSheet: EEF-UE0E391LR datasheetEEF-UE0E391LR Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
2000 +: $ 0.56982
Stock 1000Can Ship Immediately
$ 0.63
Specifications
Series: SP-Cap UE
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymer
Capacitance: 390µF
Tolerance: ±20%
Voltage - Rated: 2.5V
ESR (Equivalent Series Resistance): 7 mOhm
Lifetime @ Temp.: 1000 Hrs @ 105°C
Operating Temperature: -40°C ~ 105°C
Ratings: --
Applications: General Purpose
Lead Spacing: --
Size / Dimension: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max): 0.165" (4.20mm)
Surface Mount Land Size: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Mounting Type: Surface Mount
Package / Case: 2917 (7343 Metric)
Description

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Aluminum - polymer capacitors are widely used in various electronic applications and are now considered one of the most important components in a wide variety of devices. They are often used in computers, electronic equipment, communications equipment, car electronics, and even military-grade applications.Aluminum-polymer capacitors are composed of two layers - the aluminum layer, and the polymer layer - making them a hybrid construction, with both layers playing a significant role in their performance and characteristics. The aluminum layer forms the anode, and the polymer layer serves as the cathode. An electrolyte separates the two layers, and together they create a dielectric layer which is capable of storing and transferring charges.The aluminum layer gives the aluminum-polymer capacitor greater reliability than other types of capacitors, with features such as lower ESR (Effective Series Resistance) and higher capacitance values than comparable ceramic capacitors, even for devices at high temperatures. This makes them ideal for use in applications where large amounts of energy must be stored and stored reliably over time.The polymer layer of an aluminum-polymer capacitor provides additional benefits. It is highly temperature-resistant, making it an ideal choice for applications which require long-term storage of energy at high temperatures. Additionally, the polymer layer has a much higher capacitance value than a ceramic capacitor and can hold almost twice as much energy for the same external dimensions.The most important application field of aluminum - polymer capacitors is in the energy storage and communications fields. In the energy storage field, they are used to provide reliable and stable power to electronic devices, such as notebook computers and communication systems. In communications fields, they are used to store data, transmit signals, and provide a reliable power source for wireless communications.The working principle behind aluminum - polymer capacitors is that like magnets, they possess an electric field. When an electrical current is introduced, it causes the electrons to line up in a specific direction. This electric field then attracts each other, creating a potential difference between the two sides. This potential difference can then be used to store energy.The specific value of the capacitance of an aluminum - polymer capacitor is determined by its size and the dielectric thickness. The larger the size and the thicker the dielectric material, the higher the capacitance. The aluminum layers and the polymer layers must be of a specified thickness for the capacitor to work properly.In summary, aluminum-polymer capacitors are used in a variety of devices for energy storage and other purposes, such as communication and data storage. They offer increased reliability and stability, including higher capacitance values than ceramic capacitors in higher temperature applications, and can hold twice as much energy for the same external dimensions. They operate on the electric field principle, with electrons lining up in a specific direction when an electric current is introduced. The capacitance value of the capacitor is determined by the size and the thickness of the dielectric material.

The specific data is subject to PDF, and the above content is for reference

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