EEF-CT1C470R Capacitors

Lifetime @ Temp.:	2000 Hrs @ 105°C
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Surface Mount Land Size:	--
Height - Seated (Max):	0.059" (1.50mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	3.2A @ 100kHz
Applications:	General Purpose
Ratings:	--
Operating Temperature:	-55°C ~ 105°C
Series:	SP-Cap CT
ESR (Equivalent Series Resistance):	40 mOhm
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	47µF
Type:	Polymer
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Aluminum   - Polymer Capacitors: EEF-CT1C470R Application Field and Working Principle

Aluminum - polymer capacitors have become an essential part of the electronic industry in recent years due to their combination of electrical properties and durability. The EEF-CT1C470R is a popular aluminum - polymer capacitor specifically designed for use in electronic systems, such as computer motherboards, mobile phones, and LCD screens. The purpose of this article is to explore the application field of the EEF-CT1C470R and the corresponding working principle.The EEF-CT1C470R is an electrolytic capacitor specially designed to store energy in the form of charge. It is made up of two electrodes; a solid anode and a layer of aluminum oxide covered with an organic solvent. The organic solvent acts as a dielectric, allowing the capacitor to store energy. Its general application is to provide energy filtering in audio and video circuits, high-frequency motor drive circuits, and switching circuits.In addition, the EEF-CT1C470R is an ideal choice for applications requiring charging/discharging at a high rate. This is due to its low ESR (equivalent series resistance), which reduces losses from currents. Further, the EEF-CT1C470R has a large capacitance-values range from 4.7µF to 470µF and a wide operating temperature range of -40 to +105C. This ensures it can function in most environments.The EEF-CT1C470R’s working principle involves the interaction between the electrolyte layer and the aluminum oxide layer. When current is applied, positive charges are drawn to the electrolyte layer and negative charges are attracted to the aluminum oxide layer. These charges will then remain stored in the capacitor until the supply is removed.When the power supply is removed, the electrical charge will flow towards the anode and disperse into the surrounding environment. This is known as discharging the capacitor. This reversing action is the working principle of the EEF-CT1C470R.To summarize, the EEF-CT1C470R is a versatile aluminum - polymer capacitor used for many different applications. It utilizes interaction between the electrodes and the layers of electrolyte and aluminum oxide to store and then release electrical charge upon request. Due to its low equivalent series resistance and wide operating temperature range, it is an ideal choice for charging/ discharging operations in high-frequency motor drive and switching circuits.

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