AEB686M2DU44T-F

Polarization:	Polar
Package / Case:	Radial, Can - SMD
Mounting Type:	Surface Mount
Surface Mount Land Size:	0.669" L x 0.669" W (17.00mm x 17.00mm)
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	--
Impedance:	550 mOhms
Ripple Current @ High Frequency:	750mA @ 100kHz
Ripple Current @ Low Frequency:	412.5mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	AEB
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that has many beneficial properties such as low cost, large capacitance values and high volumetric efficiency. They are ideal for use in high-frequency applications such as power supply and radio-frequency (RF) circuits. The AEB686M2DU44T-F is a radial lead type aluminum electrolytic capacitor manufactured by Panasonic and is used mainly in decoupling applications.

Applications of the AEB686M2DU44T-F

The AEB686M2DU44T-F is a radial lead type aluminum electrolytic capacitor which is ideal for decoupling applications in high-frequency circuits. These capacitors feature a wide temperature range, low-ESR values and a very long life. The AEB686M2DU44T-F is most commonly used in power supply circuits, DC-DC converter circuits, surge protection circuits, LCD monitors and LCD TVs.

Working Principle

Aluminum electrolytic capacitors employ an anode made of aluminum foil with an oxide layer on its surface, and a cathode of aluminum foil. The electrolyte used is typically an aqueous solution of ethylene glycol and boric acid. When a voltage is applied between the anode and the cathode, a current passes through the electrolyte, causing the aluminum foil anode to swell and the oxide layer on its surface to form a thin dielectric layer. This is the capacitor\'s dielectric which gives it its capacitance.The capacitance of an aluminum electrolytic capacitor is determined not only by the size of the oxide layer formed on the anode, but also by the amount of current that passes through the electrolyte. As the current increases, the thickness of the oxide layer increases, increasing the capacitance. The capacitor\'s ESR (Equivalent Series Resistance) is also affected by the current, as it is the resistance of the device due to the electrical resistance of the electrolyte. As the current increases, the ESR value of the capacitor decreases, resulting in improved frequency response and lower noise levels.

Conclusion

The AEB686M2DU44T-F is an aluminum electrolytic capacitor manufactured by Panasonic and is ideal for decoupling applications in high-frequency circuits. Its wide temperature range, low ESR values and long life make it an ideal choice for power supply, DC-DC converter circuits, surge protection circuits, LCD monitors and LCD TVs. The capacitor\'s capacitance and ESR values are affected by the current that passes through the electrolyte, resulting in improved frequency response and lower noise levels.

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