420CXW12MEFR8X25

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	150mA @ 10kHz
Ripple Current @ Low Frequency:	100mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	CXW
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	12µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors (AECs) are a specific type of electrolytic capacitor, which is comprised of two metal plates separated by special dielectric material. The two plates, one positive anode and one negative cathode, are usually made from aluminum foil with the dielectric material, such as aluminum oxide, sandwiched between them.Aluminum electrolytic capacitors are mainly used for energy storage and noise filtering in electronic circuits. They offer high capacitance per unit volume, excellent temperature stability, and reliable performance, making them ideal components for a wide range of applications. The most commonly used type of AECs is the axial-lead, which has two leads running along the length of the capacitor and is easily mounted onto a circuit board using a single hole and a nut. The through-hole mount is the least costly package type, however, multiple terminal and surface mount packages are also available depending on the specific application requirements.The combination of two separate metal plates with the dielectric material results in a particular type of electric field between the two plates, referred to as an electric double layer, or EDL. When a voltage is applied across these two plates, an electric field is created which causes charge to build up on the plates. This results in an increase in the capacitance of the device, which is a measure of the amount of energy stored in the electric field created by the two plates.Another type of capacitor commonly found in electronic devices is the ceramic capacitor. Unlike aluminum electrolytic capacitors, ceramic capacitors are typically made from two ceramic discs with an insulating material, such as barium titanate, sandwiched between them. They are widely used in analog and radio-frequency circuits for signal filtering, decoupling, and bypassing, as they can handle higher frequencies and temperatures than aluminum electrolytic capacitors.The purpose of the specific capacitor designated as 420CXW12MEFR8X25 is to provide stability to circuits and help prevent unwanted signals from interfering with the signal. The aluminum construction and unique construction of this capacitor yields a capacitance value of 12µF, making it suitable for noise filtering applications in various electronic devices.

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