EEE-FK1E391SP Capacitors

Series:	FKS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	160 mohm @ 100kHz
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive
Ripple Current @ Low Frequency:	390mA @ 120Hz
Lead Spacing:	--
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.413" (10.50mm)
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

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Introduction

Aluminum electrolytic capacitors (AECs) are widely used in a variety of applications, and the EEE-FK1E391SP is a typical AEC. This device has been specifically designed for use in telecommunication and measurement applications, as well as providing noise filtering (EMC) and low-frequency power conversion in power supplies. This article outlines the main features of the EEE-FK1E391SP and its associated applications, as well as the principles of operation involved.

Attributes and Applications

The EEE-FK1E391SP is an AEC with a rated voltage of 250V and a rated capacitance of 2.2 microFarads. It is constructed with a three-dimensional construction that provides excellent reliability and long life, while also providing excellent frequency characteristics. The maximum impedance of the device is 4.8 ohms at 1 kHz, and the capacitance tolerance is ± 10%.The device is suitable for a broad range of applications. It is often used in telecommunication circuits, thanks to its low-frequency characteristics. It can also be used for filtering noise and transient currents, as it offers ripple current up to 2.6A. In addition, its EMC characteristics, high frequency characteristics, and low leakage current make it suitable for use in power supplies. The device can also be used for smoothing in DC/DC converters, and is ideal for high-accuracy resistance, capacitance, and inductance measurements.

Working Principle

The EEE-FK1E391SP works on the principle of electrolyte-sealed electrolytic capacitors. An electrolyte solution is sealed within the canister and a metal plate is inserted into the solution. As a result of electrolytic action, an oxide layer forms on the metal plate, and when a voltage is applied, a capacitance is formed. The capacitance of the device is dependent on the thickness of the oxide layer, and thus is determined by the amount of current passed through the device.The device also consists of a number of components, including an anode, a cathode, a separator and an electrolyte. The separator serves to prevent any electrical shorting between the anode and cathode, while the electrolyte absorbs and redistributes the electric charges between the two electrodes. The capacitance value of the capacitor is determined by the distance between the two electrodes, as well as the size of the dielectric between them. The EEE-FK1E391SP is also designed with a reversed polarity protection feature. This feature prevents the capacitor from being damaged due to a reverse voltage being applied, allowing the device to operate at a broad range of voltages.

Conclusion

The EEE-FK1E391SP is a popular aluminum electrolytic capacitor (AEC) with a wide range of applications. It is constructed with a three-dimensional design that provides excellent reliability and long life, while also providing excellent frequency characteristics. It has a rated voltage of 250V, a rated capacitance of 2.2 microFarads and a maximum impedance of 4.8 ohms at 1 kHz. It is suitable for use in a variety of applications, including telecommunication circuits, EMC filtering and low-frequency power conversion in power supplies. Furthermore, its reversed polarity protection feature makes it suitable for operating at a wide range of voltages.

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