420USC390MEFCSN30X40

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.108A @ 10kHz
Ripple Current @ Low Frequency:	2.22A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	USC
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	3000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, often referred to as ‘electrolytic capacitors’, are a type of capacitors with large capacitance values per unit volume. These capacitors use aluminum oxide as the dielectric, with aluminum as the anode and activated carbon as the cathode. They are widely used in various electronic circuits due to their large capacitance values, low cost and dependable performance. Their major application areas include power supplies, signal processing, medical equipment, audio equipment, etc.Among them, the 420USC390MEFCSN30X40 aluminum electrolytic capacitors are one of the popular types of electrolytic capacitors available in the market. These capacitors are typically used for power supplies and signal control. They have a high capacitance value of 39,000µF, and an operating temperature range of -40° to +105°C. In addition, they have a wide operating voltage of 6.3 to 450 volts.The working principle of 420USC390MEFCSN30X40 aluminum electrolytic capacitors is based on an energetic charge which produces a voltage across the oxide layer. This oxide layer acts as a dielectric and helps in providing the electrical field between the anode and the cathode. The current flow in an electrolytic capacitor is controlled by the chemical reaction at the aluminum oxide interface.When AC current is applied to an electrolytic capacitor, the oxide layer acts like a valve, allowing positive charges to flow to the anode and negative charges to flow to the cathode of the device. This ‘valve’ action results in the buildup of an electric field across the capacitor which allows the capacitor to store energy.The 420USC390MEFCSN30X40 aluminum electrolytic capacitors have a number of advantages, such as long life, low leakage current, good heat dissipation, high capacitance density, low cost, etc. They are also very rugged and can withstand high temperatures, mechanical shock and vibration. In addition, they have a stable performance over a wide temperature range, and their self healing feature helps them to recover from short circuit conditions.These are just some of the reasons why 420USC390MEFCSN30X40 aluminum electrolytic capacitors are an excellent choice for many electronic applications. They are used in power supplies, signal control systems, medical equipment, audio equipment, and other types of electronic devices. Thanks to their superior performance, these aluminum electrolytic capacitors have become an essential part of many electronic devices.

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