EEF-LR0D221R4 Allicdata Electronics
Allicdata Part #:

EEF-LR0D221R4-ND

Manufacturer Part#:

EEF-LR0D221R4

Price: $ 0.35
Product Category:

Capacitors

Manufacturer: Panasonic Electronic Components
Short Description: CAP ALUM POLY 220UF 20% 2V SMD
More Detail: 220µF 2V Aluminum Polymer Capacitor 2917 (7343 Met...
DataSheet: EEF-LR0D221R4 datasheetEEF-LR0D221R4 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
3500 +: $ 0.32175
Stock 1000Can Ship Immediately
$ 0.35
Specifications
Series: SP-Cap, LR
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymer
Capacitance: 220µF
Tolerance: ±20%
Voltage - Rated: 2V
ESR (Equivalent Series Resistance): 4.5 mOhm
Lifetime @ Temp.: 2000 Hrs @ 105°C
Operating Temperature: -55°C ~ 105°C
Ratings: --
Applications: General Purpose
Ripple Current @ High Frequency: 8.5A @ 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)
Description

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Aluminum-Polymer Capacitors are electronic device components consisting of aluminum and polymer dielectrics, with a much higher capacity than traditional aluminum electrolytic capacitors. The aluminum-polymer capacitor is an emerging technology, and the EEF-LR0D221R4 is a popular example of this type of capacitor. This capacitor has a variety of applications and its working principles are simple yet powerful. In this article we will discuss the application fields and working principles of this new and versatile component.

Applications

The EEF-LR0D221R4 aluminum-polymer capacitor is generally used in applications that require low ESR, high capacitance, and low leakage currents. These uses range from audio filters, to switch mode power supplies, to power line filters, and even space applications. In audio filters, the capacitor’s low ESR and high capacitance create a smooth sound without distortion or noise. This makes it ideal for use in headphones and other audio equipment. The low leakage currents also make it suitable for high-frequency applications. In switch-mode power supplies, the low ESR and high capacitance of aluminum-polymer capacitors can help reduce switching losses. This makes them an ideal choice for efficient power supplies, such as those used in electric vehicles and other mobile devices. Additionally, aluminum-polymer capacitors are used in power line filters as they are capable of filtering out unwanted high-frequency signals from the main line. Finally, aluminum-polymer capacitors are suitable for space applications due to their small size, light weight, and extreme temperature stability.

Working Principles

The working principle of the EEF-LR0D221R4 aluminum-polymer capacitor is similar to that of an electrolytic capacitor. This is because the two components are similar in structure, with two main parts: a dielectric layer, and electrodes. The dielectric layer is made of aluminum and polymer, while the electrodes are made of aluminum as well. When a voltage is applied to the electrodes, electrons are attracted to the positive electrode and repelled from the negative electrode. This creates a layer of charge that establishes a capacitance, or a measure of a capacitor’s ability to store energy. The aluminum-polymer dielectric layer is responsible for reducing parasitic losses and increasing the capacitance of the device. Additionally, its low ESR, high capacitance, and low leakage currents make it a versatile and powerful component.

Conclusion

The EEF-LR0D221R4 aluminum-polymer capacitor is a versatile and powerful device. Its low ESR, high capacitance, and low leakage currents make it ideal for a variety of applications, from audio filters to switch mode power supplies. Additionally, its low weight and small size make it suitable for space applications. The working principle of the capacitor is similar to an electrolytic capacitor, with two main parts: a dielectric layer and electrodes. The dielectric layer, made of aluminum and polymer, is responsible for the increased capacitance and reduced losses, making the aluminum-polymer capacitor a powerful tool for many applications.

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

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