UHE0J472MHT

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.240" (31.50mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	24 mOhms
Ripple Current @ High Frequency:	2.65A @ 100kHz
Ripple Current @ Low Frequency:	2.12A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UHE
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	8000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	4700µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: UHE0J472MHT Application Field and Working Principle

Aluminum electrolytic capacitors are one of the common types of capacitors that are widely used in a variety of applications. They are characterized by their high capacitance values, wide range of voltage ratings, and very low equivalent series resistance (ESR). The UHE0J472MHT is an aluminum electrolytic capacitor from Panasonic with a 5mm by 5.5mm package size. It has an operating temperature range of -40 to +105°C, a rated voltage of 16V, and a capacitance of 470µF.In terms of applications, aluminum electrolytic capacitors can be used in power supplies, industrial inverters, switch mode power supplies (SMPS), and audio applications. They are also used to reduce noise, high frequency ripple, and other transients. In audio applications, they are used to filter or decouple signals and often act as voltage stabilizers. To discuss the working principle of aluminum electrolytic capacitors, we first need to look at the basic construction of the component. Aluminum electrolytic capacitors consist of a dielectric (an insulating material), an anode (positive electrode) and a cathode (negative electrode). The anode is a rolled up aluminum foil which is covered with a thin oxide layer that acts as the dielectric. This layer is separated from the anode by a paper spacer filled with an electrolyte, which is a liquid containing salts that provide a current path between the anode and cathode electrodes. When an AC or DC voltage is applied across the capacitor, a continuous current flows through the electrolyte solution. This current causes the oxide layer to be heated and expand, increasing the capacitance of the capacitor. At the same time, the voltage across the capacitor causes a charge to accumulate on the dielectric oxide layer, strengthening the electric field and increasing the capacitance further.Aluminum electrolytic capacitors offer some advantages over other types of capacitors. They have high capacitance values and can provide a range of voltage ratings. They also have a low ESR and low leakage currents, making them useful for smoothing or filtering electrical signals and voltage stabilizing applications. Furthermore, they are cost effective and have a long life span, making them an ideal choice for many applications. Despite these advantages, aluminum electrolytic capacitors have some limitations. They have relatively high leakage currents, high capacitance losses at high frequencies, limited temperature range, and limited voltage ratings. In general, they are not suitable for high frequency applications due to their high ESR and low Q-factor, and their capacitance decreases as the operating frequency increases. Overall, the UHE0J472MHT aluminum electrolytic capacitor is well-suited for low-voltage applications in power supplies, inverters, and audio applications. Its advantages include its small package size, high capacitance, low equivalent series resistance, and wide operating temperature range, making it an ideal choice for a wide range of applications.

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