UFW2AR47MDD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.079" (2.00mm)
Ripple Current @ High Frequency:	20mA @ 10kHz
Ripple Current @ Low Frequency:	10mA @ 120Hz
Applications:	Audio
Ratings:	--
Series:	UFW
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are widely used in electronic circuits due to their smaller size and lower cost compared to other types of capacitors. They are also known as aluminium electrolytic capacitors and electrolytic capacitors. These capacitors use an electrolyte (typically an aqueous solution of borax or other mineral salts) as the ionic medium between the two plates of the capacitor.The UFW2AR47MDD series of aluminum electrolytic capacitors are designed for applications in low voltage DC power supplies and in specialized applications like energy recovery circuits. The capacitors have a high capacitance to size ratio and can handle high ripple currents. The aluminum electrolytic capacitors have several advantages over other types of capacitors such as low cost, high-energy density and long life. The long life of the capacitor is due to the aluminum oxide layer that acts as a dielectric when ionic shock is applied, this layer is formed as part of the capacitor manufacturing process. The high-energy density is due to the aluminum oxide layer being much thinner than the equivalent a solid dielectric material, such as mica.These capacitors are constructed of an anode and a cathode that are surrounded by an electrolyte. The anode is made of aluminum foil and the cathode is made of a thin sheet of aluminum. The electrolyte provides the required ions to enable conduction of electricity. As current passes through the capacitor, a voltage is developed across the plates which results in an electric field. This electric field causes ions in the electrolyte to migrate from the anode to the cathode forming an oxide layer on the anode. The oxide layer increases the effective surface area of the anode and decreases the thickness of the dielectric layer, which increases the capacitance of the capacitor. The thickness of the dielectric layer can be controlled by controlling the current through the capacitor. This makes aluminum electrolytic capacitors ideal for applications such as power supplies and energy recovery circuits, as these applications require high ripple currents and large capacitance values.The UFW2AR47MDD aluminum electrolytic capacitors have a wide range of advantages such as high capacitance values, long life and low temperature coefficient. The long life is due to the thin oxide layer that is present on the anode, the thin oxide layer decreases the amount of energy required to form the electric field. The capacitors also have a low ESR (equivalent series resistance), which means they can handle large ripple currents efficiently. The capacitors also have a low temperature coefficient and are resistant to high temperatures.In conclusion, aluminum electrolytic capacitors are widely used in electronic circuits due to their small size, low cost, and high energy efficiency. The UFW2AR47MDD series of aluminum electrolytic capacitors are designed for applications in low voltage DC power supplies and in specialized applications like energy recovery circuits. These capacitors have a high capacitance to size ratio and can handle high ripple currents, making them ideal for these applications.

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