ALF20C272KP400

Ratings:	--
Package / Case:	Radial, Can - Snap-In - 4 Lead
Mounting Type:	Through Hole, Press-Fit
Surface Mount Land Size:	--
Height - Seated (Max):	4.213" (107.00mm)
Size / Dimension:	1.969" Dia (50.00mm)
Lead Spacing:	0.886" (22.50mm)
Impedance:	45 mOhms
Ripple Current @ High Frequency:	11.13A @ 10kHz
Ripple Current @ Low Frequency:	7.11A @ 100Hz
Applications:	General Purpose
Series:	ALF20
Polarization:	Polar
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	66 mOhm @ 100Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	2700µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are widely used in electronic systems and equipment, especially in high frequency switching devices, such as power supplies, inverters, and high frequency transceivers. The ALF20C272KP400 is one of the most popular aluminum electrolytic capacitors on the market, used in various industrial and commercial applications.The name ALF20C272KP400 refers to its product specifications, which includes an 18mm long and 20mm diameter, a tolerance of ±10%, a capacitance of 2.7uF, an operating temperature of -40°C to +105°C and a maximum allowable ripple current of 0.2μA. It is composed of an anode and a cathode, along with a paper board and a silver-nickel cap. The anode is made of aluminum foil, while the cathode is made of a special chemical component embedded in the aluminum foil and covered with a metal-polymer layer. This layer increases the surface area of the capacitor element to enhance its electric properties.The working principle of the ALF20C272KP400 is based on the principle of electrolytic capacitors. When voltage is applied across the capacitor terminals, the anode surface area slowly charges, while the cathode area releases a negative charge. When the potential difference across the electrodes reaches a certain value, a chemical reaction occurs that causes ions to be formed. These ions form a thin film that acts as an insulator between the two plates. This layer is known as the electric double layer and is what allows the capacitor to store electrical energy.The ALF20C272KP400 aluminum electrolytic capacitor is one of the most widely used capacitors in the electronics industry, primarily because of its high capacitance, low leakage current and reliable operation over a wide operating temperature range. It is used in a variety of applications, including power supplies, automotive electronics, electronic filters and rectifiers. The versatility and reliability of the ALF20C272KP400 makes it one of the most popular and widely used capacitors on the market.

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