Series:	SMG
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Capacitance:	15000µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	5.29 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	3.61A @ 120Hz
Ripple Current @ High Frequency:	3.8988A @ 100kHz
Lead Spacing:	0.492" (12.50mm)
Size / Dimension:	1.000" Dia (25.40mm)
Height - Seated (Max):	1.575" (40.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electronic circuits due to their capability to store large amounts of energy and their low cost. The SMG25VB153M25DLL (hereafter referred to as the SMG) is an example of an aluminum electrolytic capacitor. It is capable of storing a large amount of energy, up to 15,000 µF. This makes the SMG an excellent choice for applications that require reliable and high-power energy storage.The SMG consists of a cylindrical aluminum canister, which acts as the electrodes for the capacitor, and a screw-down sealed lid at the top. The lid houses a foil and a paper disc as insulation and a terminal, respectively. The foil serves to increase the capacitance of the capacitor and the paper disc, which is impregnated with a special electrolytic, serves to insulate it and prevent short-circuits.The working principle behind aluminum electrolytic capacitors is simple. When a direct current is applied across the aluminum canister, an electrochemical reaction takes place resulting in the deposition of an electrolytic material onto the inner surface of the canister. This electrolyte acts like a sponge and soaks up the oppositely charged particles, thus forming a capacitance between the electrodes. The electrolytic material used in the SMG can handle temperatures up to 105°C, while the voltage rating indicates the maximum voltage that can be applied across the capacitor. In the case of the SMG, this maximum voltage is 2.5V. The capacitance value is indicated on the curved side of the canister in the form of a three-digit code.Due to its high capacitance, low cost and reliable performance, the SMG is used in a wide range of applications. These include motor control, surge protection, audio systems, instrumentation and lighting equipment. The SMG also finds application in power supplies, due to its low ESR and long life.The SMG is an excellent choice for any application that requires high performance and reliable energy storage under harsh environments. Its unique features make it ideal for use in high-power and temperature-sensitive applications.

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