USW1E220MDD

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.079" (2.00mm)
Ripple Current @ Low Frequency:	48mA @ 120Hz
Applications:	Audio
Ratings:	--
Polarization:	Polar
Series:	USW
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electrical devices that store energy. They are mainly used in power applications, such as in power supplies and motors, to provide a high-frequency, high-amperage current in order to regulate voltage. USW1E220MDD aluminum electrolytic capacitors are part of the range of capacitors from the well-known USW1E220MDD series.

Basic principle

Aluminum electrolytic capacitors use a dielectric of aluminum oxide in the form of an anode plate (positive plate) and cathode plate (negative plate) and electrolyte. The dielectric thickness and electrolyte are designed specifically to provide a maximum and stable capacitance, along with low impedance.The plates are immersed in an electrolyte and are connected to a positive and negative power source. Voltage is applied to the plates, creating a strong electric field that promotes reverse current and causes the formation of a double electric layer on the aluminum oxide dielectric layer (AlO3). This electrical double layer stores the energy in the form of a dielectric constant, allowing the capacitor to store energy and keep it until it is discharged. As the power is passed through, the electrolytic capacitor will store it in the aluminum oxide as an electric charge on the plates.

Application Fields

USW1E220MDD aluminum electrolytic capacitors are mainly used in power supply applications requiring a low-loss, high-amperage, and long life-cycle. Examples of common applications for these capacitors include computers, industrial equipment, home audio equipment, fluorescent lighting, medical devices, automotive electronics, and military systems.In computers and industrial equipment, USW1E220MDD capacitors are often used for their high-current carrying capability, low ESR (equivalent series resistance) and low equivalent series inductance (ESL). Furthermore, they provide a very low impedance, meaning that they can be used in high-voltage applications, such as surge protection, without significantly affecting the device\'s power supply. In home audio equipment, USW1E220MDD capacitors are used for their long life-cycle and low impedance. They are effective in this application as they can help reduce audible levels of hum and vibration interference. In fluorescent lighting, USW1E220MDD capacitors are used for their high-current carrying capability and high temperature endurance, allowing them to withstand environments with a high temperature range. They are also widely used in medical devices, such as MRI machines, because of their low leakage current and tolerance of high-frequency magnetic fields.In automotive electronics, USW1E220MDD capacitors are used in fuel pumps to reduce pump noise and current consumption. They are also used in engine starters, alternators and voltage regulators as a backup energy source in case of power loss.Finally, USW1E220MDD capacitors are used in military systems. Their high power capabilities, high reliability and compact form factor make them particularly suited for extreme temperature and vibration environments.

Conclusion

USW1E220MDD aluminum electrolytic capacitors are commonly used in power supply applications, as well as home audio equipment, fluorescent lighting, medical devices, automotive electronics and military systems. Their main advantages include their high-current carrying capability and long life-cycle. USW1E220MDD capacitors are also known for their low ESR and low ESL, providing low impedance for efficient operation in high-voltage applications, and their tolerance of high-frequency magnetic fields, making them suitable for use in medical devices.Overall, USW1E220MDD aluminum electrolytic capacitors are a reliable and effective solution for a range of electrical and electronic applications.

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