Polarization:	Polar
Package / Case:	FlatPack
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.500" (12.70mm)
Size / Dimension:	2.000" L x 1.750" W (50.80mm x 44.45mm)
Lead Spacing:	1.000" (25.40mm)
Ripple Current @ High Frequency:	3.1A @ 20kHz
Ripple Current @ Low Frequency:	2.4A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	MLP
Operating Temperature:	-55°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	285 mOhm @ 120Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	490µF
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 known as electrolytic capacitors, play an important role in the field of electronic components. MLP491M250EA0C is an aluminum electrolytic capacitor. This type of capacitor mainly uses aluminum foil and is composed of an aluminum oxide layer on the surface of the aluminum foil. It has a wide application in the industry field and its working principle is relatively simple.The aluminum electrolytic capacitor is also known as the electrolytic capacitor. It is composed of an electrolyte and two metal foil. The two metal foil form two components, a positive and a negative, and are connected into an anode and a cathode. The positive electrode is usually made of aluminum foil and the negative electrode is made of aluminum oxide film formed on the surface of the aluminum foil.In the aluminum electrolytic capacitor, between the anode and the electrolyte, an ionic bond forms capacitor characteristics. The aluminum oxide on the aluminum foil surface acts as an insulating film which can prevent short circuit and current flow. The anode and the cathode are connected by a wire. When a voltage is applied, the electrolyte is discharged and the oxidized aluminum on the surface of the anode is repelled, forming a transition. Because of the oxide film, an electric field is formed between the two plates of the capacitor, which results in the capacitance effect and a certain capacitance is generated. In terms of the use of aluminum electrolytic capacitors, when a voltage is applied, it can not only store and release electricity, but also filter out noise in the circuit and adjust the voltage.The application field of MLP491M250EA0C aluminum electrolytic capacitor is wide. It can be widely used in computers, fixed frequency power supplies, TV receivers, audio equipment, measuring instruments, etc. Its working principle is relatively simple. The charging process of MLP491M250EA0C aluminum electrolytic capacitor is that when a voltage is applied, the polar-discrete aluminum oxide will form a short circuit that will allow the current to flow. This in turn allows electrons to flow in the same direction to form a charge balance. Because of the high electrical conductivity of aluminum insulation, it can receive charging quickly. When the voltage of MLP491M250EA0C aluminum electrolytic capacitor is greater than its rated voltage, its electrolyte film will break down and the current path will be short-circuited, which may cause the aluminum to break down. The same is true when the application voltage is too low, which makes it difficult to discharge electricity.In summary, MLP491M250EA0C is an aluminum electrolytic capacitor. It has a wide application in the industry field and its working principle is relatively simple. When a voltage is applied, it can not only store and release electricity, but also filter out noise in the circuit and adjust the voltage. In addition, it should be noted that the application voltage should not be greater than its rated voltage, otherwise it may cause the aluminum to break down.

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