UMF1A470MDD

Series:	UMF
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	10V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	57.5mA @ 120Hz
Ripple Current @ High Frequency:	115mA @ 100kHz
Impedance:	1.3 Ohms
Lead Spacing:	0.098" (2.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.236" (6.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most commonly used types of capacitors in electronics. In fact, they are used in almost every aspect of electronics because of their robust design and high capacitance values. The UMF1A470MDD is a high-capacity aluminum electrolytic capacitor from the UMF1A family. It is a radial leaded capacitor, with a lead spacing of 5.08mm and a maximum DC voltage of 85Vdc.

UMF1A470MDD Application Field

The UMF1A470MDD is an ideal choice for a variety of applications. It is commonly used in power supplies, high-frequency circuits, and many other industrial applications. It has a good capacitance value, excellent AC ripple characteristics, and good insulation resistance. It is also well-suited for high-temperature environments, and can operate between -25°C and +85°C.The UMF1A family also offers a variety of different capacitance values. The UMF1A470MDD specifically offers 47µF at an ESR of less than 0.35 Ω. It also has high rated current of 1.3A and low impedance of just 0.37Ω.

Working Principle

The UMF1A470MDD is a high-capacity aluminum electrolytic capacitor built with an electrolyte-filled aluminum film as the dielectric material. It is constructed with an electrolyte of water-soluble organic compounds and aluminum foil as the electrodes. The foil acts as a barrier to guard electrons when the capacitor is in operation. In other words, the electrolyte is the medium that allows electrical charge to flow between the two electrodes. The capacitance of aluminum electrolytic capacitors is dependent on the size of the aluminum foil electrode, size of the electrolyte, and temperature. As temperature increases, the capacitance of the capacitor also increases. However, if the temperature is too high, the capacitance will decrease significantly. At the same time, the electrolytic capacitor must be handled with extreme care. If the aluminum foil of the electrolytic capacitor comes in contact with air, it will oxidize and result in a failure of the capacitor.

Conclusion

The UMF1A470MDD is a high-capacity aluminum electrolytic capacitor designed for a variety of electronically driven applications. It is widely used in power supplies, high-frequency circuits, and many other industrial applications due to its excellent AC ripple characteristics, good insulation resistance, and high rated current. Furthermore, it operates within a wide temperature range from -25°C to +85°C. The UMF1A470MDD provides robust design, high capacitance values, and reliable performance in virtually any electronically-driven application.

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