EEE-FT1C681GP

Series:	FT
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	680µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive
Ripple Current @ Low Frequency:	595mA @ 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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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are among the most commonly used forms of capacitors, and are named for their use of an electrolyte that initializes the transfer of an electric charge. Valued for their small size, high capacitance, and low cost, this type of capacitor is ideal for general purpose applications. For example, EEE-FT1C681GP, a tantalum electrolytic capacitor, is a radial lead type featuring a 6.3V voltage rating, 641uF capacitance, and a maximum working temperature of 85 degrees Celsius.

Construction and Working Principle

In general, an aluminum electrolytic capacitor is comprised of two heavily oxidized aluminum foils, two metal plates, a separator, an electrolytic solution, and an insulator. During transfer, the oxide film of the metal plates acts as the dielectric and allows positive and negative ions to pass through. The metal plates also act as electrodes, with one acting as an anode and the other acting as a cathode.When a voltage is applied to the capacitor, a charge flows from the anode to the cathode, causing a polarizing voltage to build up within the separator and driving the positive and negative ions towards the respective cathode and anode. With continued buildup of the ionic charges, a dynamic equilibrium state is established and a current of electrons is allowed to flow through the capacitor.The resulting change in potential between the two metal plates forms an electric field, which is proportional to the applied voltage and capacitance of the capacitor. This electric field interacts with the plate\'s oxidation layer, causing the flow of electrons to slow down and eventually cease when the electric field surpasses the capacitance of the capacitor.

Applications

As an energy storage device, aluminum electrolytic capacitors are highly valued for their suitability in low-frequency AC circuits and high-frequency DC circuit applications. They come in a wide variety of shapes and sizes and offer very competitive performance-to-cost ratios.Due to their high capacitance-to-volume ratios, electrolytic capacitors are useful in various electronic applications, such as power supplies and amplifiers. They are also used in portable electronics, video equipment, telecommunications systems, and lighting units in automotive, aviation, and aerospace industries. The EEE-FT1C681GP is an excellent choice for automatic machinery, UPS systems, medical equipment and other general purpose applications due to its long life, low equivalent series resistance, and a wide operating temperature range.Aluminum electrolytic capacitors are also used for filtering, tuning and timing circuits, enabling engineers to fine tune performance characteristics in many systems.

Conclusion

Aluminum electrolytic capacitors, such as the EEE-FT1C681GP, are widely used in many industries due to their small size, high capacitance, and low cost. Although their construction and working principles are relatively simple, they can offer highly reliable performance in various electronic applications. As with all capacitors, proper installation, testing and maintenance is recommended to ensure long-term usage and satisfactory results.

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