450QXW18MEFR8X35

Series:	QXW
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	18µF
Tolerance:	±20%
Voltage - Rated:	450V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	190mA @ 120Hz
Ripple Current @ High Frequency:	285mA @ 10kHz
Lead Spacing:	0.138" (3.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	1.457" (37.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are essential components in the electronic world. This type of electrochemical capacitor has a higher capacitance than ceramic varieties and is available in larger quantities for applications that require a greater amount of energy storage. The 450QXW18MEFR8X35 aluminum electrolytic capacitor is especially used in power supplies and motors.

Construction and Function

Aluminum electrolytic capacitors are constructed with a positive anode, a negative cathode, and a porous silicone paper separator between them. The 45QXW18MEFR8X35 aluminum electrolytic capacitor also have an electrolyte as a dielectric (insulator) between the anode and cathode. One electrode is made of aluminum and the other electrode is a flat aluminum foil. The circuit works like any other capacitor: the anode and cathode are separated by a dielectric, allowing a charge difference to accumulate between the two and store energy. At the same time, the electrolyte, a liquid or gel that is in contact with the aluminum, helps to avoid a short-circuit which could occur without it.

Uses

The 45QXW18MEFR8X35 aluminum electrolytic capacitor is most commonly used in power supplies and motors. Its large capacitance allows it to store significantly more charge than other types of capacitors, making it ideal for those applications. The capacitor is also commonly used in electronic equipment for filtering, buffering, and frequency tuning.The large capacity of the 45QXW18MEFR8X35 aluminum electrolytic capacitor also makes it useful in blower fan motors, power supplies, HVAC systems, and UPS (uninterruptible power supply) systems. In these applications, the capacitor\'s large capacities allow it to store the power needed to run the motor or other device momentarily in the event of an electrical failure.

Specifications

The 45QXW18MEFR8X35 aluminum electrolytic capacitor is rated for an operating temperature of -55 to +105 degrees Celsius and features a maximum capacitance of 12,000µF with a 4Vdc rating. In addition, the leakage current should not exceed 5.0mA@4.0V, 1.0mA@20.0V, and 0.05mA@100.0V. The capacitor has a maximum ripple current of 2.8Arms @100kHz, and a long-term ripple current of 100Arms @100kHz.

Conclusion

The 45QXW18MEFR8X35 aluminum electrolytic capacitor is an important component in a variety of electronics applications. It is a type of electrolytic capacitor that has a higher capacitance than ceramic varieties and is available in larger quantities, making it ideal for applications that require a large amount of current. Common uses for the capacitor include power supplies, motors, UPS systems, blower fan motors, HVAC systems, and other electronic equipment for filtering, buffering, and frequency tuning.

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