SLP181M400A4P3

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.44A @ 20kHz
Ripple Current @ Low Frequency:	980mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SLP
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	1.843 Ohm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors, such as the SLP181M400A4P3, are widely used in electronic applications due to their high capacity, low cost, and polarised characteristics. The SLP181M400A4P3 is a radial, miniaturized, snap-in aluminum electrolytic capacitor with an impedance of 400 mOhms at 100 KHz. Its capacitance is rated at 18 uF and is rated for use at 125° C. The primary application for these capacitors is in the filtering of DC/AC, power supplies, and motor drives within industrial electronic circuits. They can also be used in the rectification of alternating current AC into direct current DC in power supplies. It is also important to note that these capacitors can be dangerous and should be treated with caution. Working PrincipleAluminum electrolytic capacitors, like the SLP181M400A4P3, are polarised and must be used in the correct orientation in order to work correctly. When in the correct orientation, the aluminum oxide layer in the electrolyte forms a barrier, effectively blocking the flow of current. As current is applied to the capacitor, a voltage is created that causes a depletion of the layers of oxide and allows electrons to flow from one plate to the other. This effect is called capacitance and it is the primary working principle behind electrolytic capacitors. The average life expectancy of the SLP181M400A4P3 is 4000 hours at a temperature of 125°C. At lower temperature, the capacitor can last up to 8000 hours. The SLP181M400A4P3 is designed to withstand ripple current up to 2.0A and works at a working voltage of up to 400V DC. The capacitor has a ripple current rating of 0.34A and is designed to operate between -55°C and 125°C. ConclusionAluminum electrolytic capacitors, like the SLP181M400A4P3, offer many advantages over other types of capacitors in the filtering of DC/AC, power supplies, and motor drives within industrial electronic circuits. Their high capacity and low cost along with their polarised characteristics make them an ideal selection for many applications. It is important to consider their working principle, the limitations of their components, and their proper orientation when using aluminum electrolytic capacitors. Finally, these components are dangerous and should be treated with caution.

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