UCB1E470MCL1GS Capacitors

Series:	UCB
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	7000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	63mA @ 120Hz
Ripple Current @ High Frequency:	94.5mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.343" (8.70mm)
Surface Mount Land Size:	0.260" L x 0.260" W (6.60mm x 6.60mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum electrolytic capacitors, such as UCB1E470MCL1GS, are a type of polarized capacitor typically used for filtering and energy storage in electronic circuits. They are constructed with two metal plates separated by an electrolyte which is typically an organic solvent. The metal plates are lined with an oxide film that acts as an insulating layer to reduce leakage current and increase the operating voltage. This type of capacitor is characterized by a low charge and discharge profile, low self-discharge rate, high capacitance stability, and high reliability.A common application of aluminum electrolytic capacitors is in the power supply filter circuit. As a voltage regulator, the capacitor acts as a "smoothing" device to reduce the fluctuations in the output voltage by storing and releasing energy as needed. This ensures a smoother, more reliable electricity supply to the load. The capacitor also helps reduce inrush current surges during startup, which can potentially damage other components in the circuit.Aluminum electrolytic capacitors are also used in dc-dc converters. In these circuits, a buck converter is typically used to step-down a voltage from a higher voltage supply to a lower voltage input. A buck converter works by feeding a charge into the output load at a frequency higher than the input frequency. This creates a switching cycle where energy is drawn from the input voltage and stored in the capacitor. Once enough energy has been stored, the converter switches back to the input source and the energy stored in the capacitor is used to power the output load. The capacitor acts as a buffer, ensuring that the output voltage is stable and efficiently delivering energy to the load. The working principle of aluminum electrolytic capacitors is based on their electrolytic properties. By connecting the two metal plates of the capacitor together and submerging them in an electrolyte solution, the ions dissolved in the solution form a conducting layer at the electrode, called the Helmholtz Double Layer. This double layer of ions produces an electric field between the two plates which stores energy within the capacitor. As a result, when a voltage is applied to the terminals of the capacitor, a charge builds up on the plates, creating an electric field. This field is proportional to the applied voltage and produces an electromagnetic force, resulting in the "capacitance" of the capacitor. Aluminum electrolytic capacitors are widely used in various industries due to their unique properties. They are widely used in the automotive, energy and power electronics industries to provide filtering and energy storage. Additionally, they are used in space applications, such as satellites, to store and supply power to electronic components. They are also used in medical equipment, consumer electronics, and audio. Aluminum electrolytic capacitors are best suited for applications requiring high capacitance values while maintaining a small and lightweight design. They are also well suited for operations that require a wide temperature range, high ripple current, and long life. Overall, aluminum electrolytic capacitors, such as UCB1E470MCL1GS, offer a cost effective, reliable, and already tested solution for many applications.

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