EEE-TK1E681AM Capacitors

Series:	TK
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	680µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Lifetime @ Temp.:	2000 Hrs @ 125°C
Operating Temperature:	-40°C ~ 125°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	825mA @ 120Hz
Ripple Current @ High Frequency:	1.1A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.630" Dia (16.00mm)
Height - Seated (Max):	0.650" (16.50mm)
Surface Mount Land Size:	0.669" L x 0.669" W (17.00mm x 17.00mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum electrolytic capacitors (AECs) are electrical components that store electrical energy and are used for multiple purposes in various electronic systems. The EEE-TK1E681AM is a standard style aluminum electrolytic capacitor. It has many applications and understanding its working principles is critical for correct and effective usage. AECs are commonly used in applications such as compensating for reactive loads, supplying DC voltage offsets, and filtering electrical signals. They are especially important in systems which require high frequency current and significant current handling, such as power supplies, audio systems, and digital video components. The EEE-TK1E681AM has a rated voltage of 250 volts, a capacitance of 2.200µF, and a dissipation factor of 0.45. It also has a ripple current of 330 mA. Its physical dimensions are 18mm in diameter and 20mm in length. The EEE-TK1E681AM, like the majority of electrolytic capacitors, is constructed from two cylinders of conductive aluminum that are insulated from each other by a dielectric, which is usually a plastic coating. The inner cylinder is called the anode and an electrolyte, usually an aqueous solution, is used to allow ionic flow into the anode and create an electrical field within the capacitor. The outer cylinder is the cathode, and it typically consists of a metal plate which holds the anode in place and adds additional positive charge. The dielectric, made of polymerized ester, is essential as it provides insulation between the two electrodes and also serves as a storage medium for holding ionic charge. The EEE-TK1E681AM operates just like any other capacitor by allowing current to flow when the voltage across it reaches a certain threshold. When the voltage surpasses the rated working voltage of the capacitor, a small spark occurs which causes the charges in the electrolyte to become more mobile and start conducting current across the capacitor. As the voltage keeps increasing, more and more current flows until it reaches the rated ripple current value. When the voltage decreases, the current will stop flowing as the ionic charges are no longer mobilized and eventually reach an equilibrium as the capacitor discharges. The EEE-TK1E681AM capacitor is most commonly used in applications where large amounts of current need to be handled and they can be used alone or in combination with other components, like resistors and transistors. Some of its applications include power supplies, DC-DC converters, SMPS (switched mode power supplies), switching regulators, and audio equipment. As long as the voltage values are kept within the rated value, the capacitor should provide effective performance. In conclusion, the EEE-TK1E681AM aluminum electrolytic capacitor is a versatile electrical component with a large range of applications due to its high capacity for holding current and its easy construction. It is well-suited for digital circuits, power supplies, and audio amplifiers, to name a few. Proper usage of the EEE-TK1E681AM is based on its rated voltage and current ratings and by following those guidelines, this capacitor should be able to provide high quality results.

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