EKY-250ELL681MK15S

Ratings:	--
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.591" (15.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	49 mOhms
Ripple Current @ High Frequency:	1.45A @ 100kHz
Ripple Current @ Low Frequency:	870mA @ 120Hz
Applications:	General Purpose
Series:	KY
Polarization:	Polar
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	680µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in myriad electronic devices and equipment, including computers, cell phones, autonomous vehicles and all types of electric circuits. EKY-250ELL681MK15s are among the highest standard of aluminum electrolytic capacitors and therefore widely used and preferred. Aluminum electrolytic capacitors, or electrochemical capacitors, is an electronic component capable of storing electrical energy in the form of a static charge for later use, alternating current (AC) or direct current (DC). This type of capacitor works by using a layer of aluminum oxide which is highly insulating, acting as a separator between two conductive metal plates, which gives aluminum electrolytic capacitors the highest capacitance value per unit volume. EKY-250ELL681MK15s have several features that make them ideal for some applications, such as having high maximum temperature or ripple current ratings, long life, short lead time, and outstanding stability characteristics. This variety of aluminum electrolytic capacitor can provide long-term reliability deployed in extreme temperatures, with a wide capacitance range between 4 and 680 μF, voltage ratings between 4 and 16 VDC and a wide temperature range between -55° and 105 °C. The principal working principle of EKY-250ELL681MK15s is based on the metal–insulator–metal (MIM) structure, where a metal film coating is applied to both sides of the insulator surface. This structure provides a conductive interface which enables current to flow more evenly through the plates and minimizes leakage current. When a voltage is applied across the plates, electric current is allowed to pass through the oxide layers due to their electric permittivity, allowing charges to build up on the metal plates. The primary application field for EKY-250ELL681MK15s is in power electronics, including automatic control systems and power converters. In fact, they can work as filter capacitors, bypass capacitors and audio capacitors. For example, they can be used in voltage regulation systems, which stabilize an input voltage, with a typical application range in electric motor controls. EKY-250ELL681MK15s are also suitable for controlling high ripple current of motor starters, converters and medical equipment, filtering out the physical hot spots that can create strong volatile heat. Besides the mentioned applications in the power electronics, EKY-250ELL681MK15s are also widely used in audio equipment, such as loudspeakers and loudspeaker crossovers. When used as an audio capacitor, it helps minimize the so-called dampening factors. These capacitors can supply current for various occasions, allow for precise control of the entire output device, linearizing the emitted frequency and minimizing distortion. In conclusion, EKY-250ELL681MK15s are among the highest standard of aluminum electrolytic capacitors, and their application span across power electronics and audio equipment. Thanks to their MIM structure, these capacitors can provide long-term reliability deployed in extreme temperatures, handle high ripple current, help reducing dampening effects and linearizing the emitted frequency in audio equipment.

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