381LR181M450H042

Operating Temperature:	-25°C ~ 105°C
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	1A @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	381LR
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	1.11 Ohm @ 120Hz
Voltage - Rated:	450V
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

Aluminum electrolytic capacitors, commonly referred to as aluminum caps, are used in a wide range of electronic circuits and devices. They are a type of capacitors whose electrodes are made from aluminum foils, soaked in electrolyte and coated with a thin, self-healing layer of oxide. The oxide layer acts as a dielectric, insulating the capacitor’s two plates.381LR181M450H042, for example, is an aluminum electrolytic capacitor. It has the following characteristics: rated voltage is 450V, a maximum ripple current rating of 18 Amp, an insulation resistance of 10,000 MΩ, and a tolerance level of ±20%. The capacitance range for this capacitor is from 18 to 180 µF (Micro Farads).Aluminum electrolytic capacitors are used for a variety of applications, and are particularly useful in high voltage and high frequency applications. They are used as a filter or decoupler capacitors, coupling capacitors, boost or voltage regulators, in power supplies, and for signal processing applications such as amplifiers and oscillators.The working principle of aluminum electrolytic capacitors is relatively simple. In this type of capacitors the movement of charge between the capacitor’s plates is done by ion transfer. When a voltage is applied to the capacitor, it makes the ions to move in the solution (the electrolyte) from the negative to the positive plate, creating a charge. This charge allows for electrical current to flow to the other capacitor plate. The amount of charge that can be stored depends of the size of the capacitor plates.In conclusion, aluminum electrolytic capacitors are a type of capacitor used in a wide range of electronic circuits and devices. The 381LR181M450H042 aluminum electrolytic capacitor has a voltage rating of 450V, a maximum ripple current rating of 18A, an insulation resistance of 10,000 MΩ, and a tolerance of ±20%. These capacitors are used for a variety of applications, including filtering and decoupling capacitors, coupling capacitors, boost or voltage regulators, in power supplies, and for signal processing applications. The working principle of this capacitor is based on ion transfer, allowing electrical current to flow to the other plate as a result of the charge created.

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