EEF-SE0E391R Capacitors

Series:	SP-Cap SE
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):	5 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)

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Aluminum - Polymer CapacitorsEEF-SE0E391R application field and working principleAluminum – polymer capacitors are one of the most advanced and popular types of capacitors on the market today. The EEF-SE0E391R is a type of aluminum – polymer capacitor, which makes it ideal for use in a wide range of applications. This article will focus on the application field and working principle of the EEF-SE0E391R.In terms of application field, the EEF-SE0E391R is ideal for use as a filter, bypass, coupling and/or decoupling capacitor. Due to its low ESR, the polymer offers superior filter performance at high frequencies while still retaining a high capacitance. It can also be used in resonant circuit applications due to its wide capacitance range and low ESR.The working principle of the EEF-SE0E391R is based on a combination of electrolyte and aluminum layers. The electrolyte layer forms a porous dielectric membrane, while the aluminum layers are connected to a dense web of electrodes. This combination of layers creates a double layer capacitor with two different charge densities.The first layer contains negative ions of the electrolyte, which is surrounded by a network of aluminum filaments. This layer is charged on the negative side. The second layer is composed of positive ions of the electrolyte, which are surrounded by the same network of aluminum filaments. This layer is charged on the positive side. These two layers create a potential difference between them, which is responsible for the capacitance.The EEF-SE0E391R also has many advantageous features, such as nonlinear electrical characteristics, low ESR, and high capacitance. Its other positive features include excellent surge suppression capabilities, high humidity resistance, and low/constant ESL.In conclusion, the EEF-SE0E391R is a type of advanced aluminum – polymer capacitor, which makes it ideal for use in a wide range of applications such as filter, bypass, coupling and/or decoupling. Its working principle is based on a combination of electrolyte and aluminum layers, which create a double layer capacitor with two different charge densities. The EEF-SE0E391R also has many advantageous features, such as nonlinear electrical characteristics, low ESR, and high capacitance.

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