400MXG180MEFCSN25X30

Series:	MXG
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	400V
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:	1.2A @ 120Hz
Ripple Current @ High Frequency:	1.68A @ 10kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Height - Seated (Max):	1.260" (32.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are fixed-value capacitors constructed of two aluminum foils, separator and electrolytic paper, and the electrolyte. This type of capacitor is widely used in many applications requiring high capacitance. The anode foil of aluminum electrolytic capacitors is sewn and with a electrolyte solution on one side. The cathode is aluminum foil with a surface that is printed with an organic layer, that act as a dielectric.The capacitance in aluminum electrolytic capacitors is typically expressed in "Farads" and the rated voltage in "Volts". The capacitance and voltage ratings of a standard aluminum electrolytic capacitor are usually identified by a four-digit code indicating their capacitance and voltage ratings. In the example given of 400MXG180MEFCSN25X30, the 400MXG180MEFCSN indicates a 400 microfarad (4000,000 pico Farads) unit rated at 180 Volts. This part also has an extremely low Loss Tan Delta (25) and Ripple Current (30). Aluminum electrolytic capacitors are used in virtually all fields of technology, including communications, electronics, automotive and military. The application areas are many and varied and include the power supply components, signal coupling, signal bypassing, RF shielding, RF De-coupling and signal filtering.When exposed to a DC bias, an aluminum electrolytic capacitor actively stores and releases charge instantaneously, depending on the amount of bias applied. As the amount of bias changes, so does the applied electric field within the capacitor, altering the capacitance and therefore the charge storage capacity of the capacitor.The primary function of an aluminum electrolytic capacitor is energy storage and signal filtering. The dielectric layer is a thin layer of aluminum oxide which provides an extremely high capacitance. Generally, aluminum electrolytic capacitors offer the highest capacitance at the lowest cost among all capacitor types available.In addition, aluminum electrolytic capacitors also feature a low ESR (Equivalent Series Resistance) which can be several orders of magnitude lower than ceramic or film capacitors. This low resistance reduces power losses and increases efficiency for the device. Furthermore, the use of conductive aluminum oxide as the dielectric material allows the capacitor to self-heal whenever a tiny portion of the dielectric breaks down, prolonging its life. Aluminum electrolytic capacitors also allow for higher ripple currents. A capacitor\'s DC bias resistance limits the amount of current it can handle before it is damaged. By using a higher quality aluminum electrolytic capacitor, the ripple current can be increased without risking damaging the capacitor.The low ESR and high capacitance of aluminum electrolytic capacitors make them ideal for applications where power management is critical, such as the bypassing of critical electrical components. The capacitors are also suitable for applications where the current is alternating, as they are able to rapidly store and release energy in an alternating current circuit.In addition to its use as a DC voltagelimiter and signal filter, aluminum electrolytic capacitors are also used as dynamic snubbers to protect sensitive components such as relays, transformers and motors. The capacitors also provide energizing, power conditioning and surge protection to ensure the overall performance of a system.In summary, aluminum electrolytic capacitors are widely used in many electronics applications in order to achieve high capacitance, low ESR and low DC bias resistances. They offer superior performance in power management, voltage limiting, signal filtering and dynamic snubbering for various types of electronic components. Furthermore, the self-healing feature of aluminum electrolytic capacitors ensures a longer life cycle and high levels of reliability for electronic systems.

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