EEU-FC1C680B

Series:	FC
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive
Ripple Current @ Low Frequency:	113.8mA @ 120Hz
Ripple Current @ High Frequency:	175mA @ 100kHz
Impedance:	800 mOhms
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.571" (14.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are a type of capacitor that consists of an aluminum anode with a thin oxide layer acting as the dielectric. It is constructed with several anode-cathode plates contained in an electrolyte-filled casing.EEU-FC1C680B is one of the many types of aluminum electrolytic capacitors. This type of capacitor has many applications and is widely used in a variety of electronic devices. It is a good choice for applications requiring large capacitance and low impedance.Application FieldThe EEU-FC1C680B is typically used in low-frequency applications such as in power supplies and motor control systems. This type of capacitor is also commonly used in audio and video equipment for filtering, decoupling, and power-supply filtering.Due to its low ESR and ESL as well as its large capacitance values, the EEU-FC1C680B is well suited for applications needing a high capacitance with low ESR. It is also good for applications which require high frequency operation.The EEU-FC1C680B also performs well in automotive applications, such as in electronic control units and electronic fuel injection systems. The capacitor’s broad temperature range and low impedance makes it ideal for these applications.Working PrincipleWhen voltage is applied to the EEU-FC1C680B capacitor, current flows and ions begin to move out of the electrolyte solution. These ions move toward the oxide coated anode, forming a thin insulating layer. As the current increases, the voltage across the capacitor increases, resulting in a higher capacitance. The capacitor’s capacitance is inversely proportional to the thickness of the oxide layer. As the voltage increases, the capacitance increases and the oxide layerbecomes thinner. Conversely, the capacitance decreases and the oxide layer thickens when the voltage is removed.ConclusionThe EEU-FC1C680B is an aluminum electrolytic capacitor which is widely used in a variety of applications due to its high capacitance, low ESR, and low ESL. It is an ideal capacitor for low-frequency applications, such as in power supplies and motor controls, as well as for automotive applications. The working principle of this capacitor is based on the formation of an oxide layer between the aluminum anode and electrolyte solution, which determines its capacitance.

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