APXE2R5ARA821MH80G Allicdata Electronics
Allicdata Part #:

APXE2R5ARA821MH80G-ND

Manufacturer Part#:

APXE2R5ARA821MH80G

Price: $ 0.39
Product Category:

Capacitors

Manufacturer: United Chemi-Con
Short Description: CAP ALUM POLY 820UF 20% 2.5V SMD
More Detail: 820µF 2.5V Aluminum Polymer Capacitor Radial, Can ...
DataSheet: APXE2R5ARA821MH80G datasheetAPXE2R5ARA821MH80G Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
900 +: $ 0.34852
Stock 1000Can Ship Immediately
$ 0.39
Specifications
Series: NPCAP™-PXE
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymer
Capacitance: 820µF
Tolerance: ±20%
Voltage - Rated: 2.5V
ESR (Equivalent Series Resistance): 12 mOhm
Lifetime @ Temp.: 2000 Hrs @ 105°C
Operating Temperature: -55°C ~ 105°C
Ratings: --
Applications: General Purpose
Ripple Current @ High Frequency: 4.26A @ 100kHz
Lead Spacing: --
Size / Dimension: 0.315" Dia (8.00mm)
Height - Seated (Max): 0.315" (8.00mm)
Surface Mount Land Size: 0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type: Surface Mount
Package / Case: Radial, Can - SMD
Description

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Aluminum - Polymer Capacitors

Aluminum - polymer capacitors (APXE2R5ARA821MH80G) are a type of polarized electrochemical capacitor comprising of a monolithic electrolyte and aluminum foil. The aluminum - polymer capacitors are quite different in design when compared to electrolytic capacitors, making them a new choice for electrical devices, especially those that require high performance with higher temperature range. The capacitors have a low profile, with a low capacitance tolerance; they are basically small and lightweight, making it easier to work with them in modern mobile applications.

Application Field

Aluminum - polymer capacitors are widely used in a variety of electrical applications, particularly those that need a high capacitance in the given voltage range. The capacitors are suitable for a broad range of applications, especially microelectronics, automobiles, and home appliances, where their low profiles and sizes allow for better space utilization. The capacitors also have excellent temperature stability, as well as improved noise and ripple characteristics.

The aluminum - polymer capacitors are especially useful in applications where the output capacitor should provide an extended temperature range (e.g. between -55°C to +105°C). Its high capacitance density in such a small package make it an ideal choice for modern mobile devices. This type of capacitor is preferred in the automotive industry, thanks to its reliability, as well as its low self-inductance.

Working Principle

The aluminum - polymer capacitor (APXE2R5ARA821MH80G) features an electrolyte layer between two aluminum foil sheets. This provides a transmission path for the electrons, allowing for efficient operation. In comparison to electrolytic capacitors, aluminum - polymer capacitors feature higher temperature stability and a higher ripple current capability, as well as a wider range of voltage ratings.

The anode (positive terminal) of the capacitor is formed from highly conductive aluminum foils that are immersed in an electrolyte. As the current exists via the electrolyte layer, the capacitance increases, allowing the capacitor to store more energy. The positive and negative electrodes (terminals) become charged with electric charge, and the aluminum foil prevents charge flow by inhibiting the flow of electrons.

The aluminum - polymer capacitors can also be used in energy storage applications, including as energy storage element, Li-ion propulsion, engine starter, etc. It can also be used in boost converters, DC to DC converters, power conditioners, etc. Furthermore, the capacitor is used in various consumer and commercial electronics, including digital audio systems, mobile phones, laptop and tablet computers, gaming consoles, and media streaming devices.

Conclusion

The aluminum - polymer capacitor (APXE2R5ARA821MH80G) is a new type of polarized electrochemical capacitor that offers low capacitance tolerance, low profile, and excellent temperature stability and ripple characteristics. The capacitor’s applications are widely varied, and it can be used in a variety of electronic devices, particularly mobile phones and laptop/tablet computers. The working principle of the capacitor is based on the principle of electrolyte and aluminum foil and provides a transmission path for the electrons via the electrolyte.

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

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