SH470M025ST

Series:	SH
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	4.52 Ohm @ 120Hz
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:	108mA @ 10kHz
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.433" (11.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electronic components used to store temporary electrical charges. Most often used in power supply design, signal filters, and high-frequency applications, they are characterized by their large capacitance values in a small package, long life, and stable capacitance over a wide range of temperatures and applied voltages. The most popular type of electrolytic capacitor is the SH470M025ST, which is a vertical snap-in type axial aluminum electrolytic capacitor. It offers an extended capacitance range from 47uF to 1000uF with up to 16VDC working voltage, and provides a reliable connection either side of the mounting plate via its can terminals. When using aluminum electrolytic capacitors, it is important to consider the characteristics of these components, including their temperature range (-40 ˚C to +85˚C) and its maximum ripple current, proving it to be the ideal capacitor for many popular applications. The SH470M025ST aluminum electrolytic capacitor generally has an application field of AC and DC filter circuit, power supply circuit, automatic control circuit, and high-frequency circuit. It also allows for quick conversion or smoothing of the voltage; hence why it is often used as a filter capacitor in a DC power supply.At the heart of the SH470M025ST aluminum electrolytic capacitor lies its working principle. An electrolytic capacitor contains two thin aluminum foils that act as electrodes and are separated by a paper or polymer film. It\'s connected to a cathode, which is a reactive metal material, and an anode, which is an inert material. When a voltage is applied to the capacitor, thin oxide layer is produced on the aluminum electrode which increases its surface area, leading to greater capacitance. As electrons build up and the oppositely charged foil attracts a flow of electrons from the anode terminal, energy is stored in the form of an electric field between the electrodes. This produced an electrical current that flows from the cathode to the anode of the capacitor. As the capacitor accumulates its charge, the dielectric between the electrode sections builds an opposing field that opposes the electric field and current, which limits the growth of the electric field and the amount of charge the capacitor can absorb. When the electric field reaches the level of the applied voltage the capacitor is considered fully charged, and the current will stop. Overall, the SH470M025ST aluminum electrolytic capacitor is a popularly used and trusted capacitor due to its extended range of capacitance, reliable connection, and extended temperature and ripple current range. Its applications range from power supply design to signal filters, and it is renowned for its efficient working principle that allows it to store considerably more electrical energy than comparable capacitors of the same size.

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