420MXK120MEFCSN22X25

Series:	MXK
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	120µF
Tolerance:	±20%
Voltage - Rated:	420V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	950mA @ 120Hz
Ripple Current @ High Frequency:	1.33A @ 10kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Height - Seated (Max):	1.063" (27.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Introduction to 420MXK120MEFCSN22X25 Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are used for energy storage and signal filtering in systems where a large capacity is needed in a small space. They are composed of an anode, cathode, and combustible electrolyte separated by a thin sheet of aluminum foil. Aluminum electrolytic capacitors can offer much higher capacitance than conventional capacitors, making them popular in applications that require large capacitance in a small form factor. The 420MXK120MEFCSN22X25 is a type of aluminum electrolytic capacitor characterized by its low ESR (Equivalent Series Resistance), high temperature rating, and long operating life.

Applications of 420MXK120MEFCSN22X25 Aluminum Electrolytic Capacitors

The 420MXK120MEFCSN22X25 aluminum electrolytic capacitor is typically used in applications that require large-capacity energy storage and/or signal filtering. This includes applications such as:

• Power supply filtering
• Pulse power supply filtering
• DC motor control circuits
• Switching power supply filtering
• Static switches
• Photomultiplier tube circuits
• Audio circuits
• Switched-mode power supplies
• Power management circuits
• Electronic ballasts

Aluminum electrolytic capacitors are also ideally suited for high-frequency, high-current applications, such as in power supply filtering, as they can offer higher capacitance compared to ceramic and other types of capacitors.

Working Principle of 420MXK120MEFCSN22X25 Aluminum Electrolytic Capacitors

The 420MXK120MEFCSN22X25 aluminum electrolytic capacitor consists of a thin sheet of aluminum foil surrounded by electrolyte and a wound wire or “spiral” as it is commonly referred to. When a voltage is applied across the capacitor’s terminals, it polarizes the electrolyte, which causes electrons to flow from the anode to the cathode. This electron flow produces an electric field inside the capacitor, which generates a capacitance, or the ability to store charge.The unique construction of aluminum electrolytic capacitors allows them to be much smaller in size compared to their ceramic and film counterparts, while still providing a large amount of capacitance. Additionally, the capacitor’s ESR (Equivalent series resistance) is very low, meaning it endures less loss when current flows. This, in turn, allows aluminum electrolytic capacitors to be more efficient in applications that require high levels of current.

Conclusion

The 420MXK120MEFCSN22X25 aluminum electrolytic capacitor is a versatile component that can be used for energy storage, signal filtering, and other applications. Its unique construction allows it to have a large capacitance in a small form factor, and its low ESR makes it efficient in applications that require high levels of current. This makes the 420MXK120MEFCSN22X25 a popular choice for those who require a small, yet powerful capacitor.

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