ESH476M025AC3AA

Series:	ESH
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	90mA @ 120Hz
Ripple Current @ High Frequency:	180mA @ 10kHz
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.492" (12.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most common capacitor in use, thanks in no small part to their low cost, high capacitance, and wide range of sizes, shapes and working voltages. The type of capacitor we\'ll be discussing today is the ESH476M025AC3AA, which uses the cylindrical shell-type design.The ESH476M025AC3AA is an aluminum electrolytic capacitor that has an applied voltage of 4.7V and a capacitance of 2.5μF. It has a lead spacing of 2.5mm and a rated ripple current of 350mA. It is able to withstand temperatures of up to 105°C and has a maximum leakage current of 0.4μA. The extensive range of sizes and shapes for aluminum electrolytic capacitors makes them ideal for use in a variety of applications. This includes power supplies and filters, automotive electronics, medical equipment, home appliances, and audio systems. The working principle of aluminum electrolytic capacitors involves a thin layer of aluminum oxide on their anode plates. This layer acts as an insulator and prevents charge leakage, while also providing a high dielectric constant. This, in turn, allows the capacitor to store more energy with a lower applied voltage. When a potential difference is applied across the plates, positive charges are pushed to one plate and negative charges are attracted to the other. This creates an electric field between the plates that stores energy. When the potential difference is removed, the electric field collapses, and the energy is released. In the case of the ESH476M025AC3AA, the positive charges are attracted to the anode (positive) plate, while the negative charges are attracted to the cathode (negative) plate. This will create an electric field with a strength of 4.7V, enabling the capacitor to store energy and to release energy when the electric field is collapsed.The ESH476M025AC3AA also has an alumina solid electrolyte which helps to help to ensure that the energy stored in the capacitor is precisely controlled and optimally used. This occurs when the thin layer of aluminum oxide forms a barrier between the two plate, allowing for the effective transfer of electrical charge but preventing a complete discharge of the capacitor.To sum up, the ESH476M025AC3AA is a cylindrical shell-type aluminum electrolytic capacitor that has an applied voltage of 4.7V and a capacitance of 2.5μF. It is able to withstand temperatures of up to 105°C and has a maximum leakage current of 0.4μA. Its lead spacing is 2.5mm and its rated ripple current is 350mA. The ESH476M025AC3AA is widely used in power supplies and filters, automotive electronics, medical equipment, home appliances, and audio systems due to its ability to store large amounts of energy and release it when needed. This is due to the layer of aluminum oxide which acts as an insulator, prevents charge leakage, and provides a high dielectric constant. Additionally, the alumina solid electrolyte helps to ensure that the energy stored in the capacitor is precisely controlled and optimally used.

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