B43504E397M87

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.661" (42.20mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	410 mOhms
Ripple Current @ Low Frequency:	1.72A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43504
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	350 mOhm @ 100Hz
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: B43504E397M87 Application Field and Working Principle

Aluminum electrolytic capacitors are a type of capacitor based on an electrolytic system. They are used in electronic circuits to boost and store electrical energy. A typical aluminum electrolytic capacitors consists of two foils - an anode and a cathode – separated by an electrolyte.The anode is usually a thin metal foil which is coated with an electrolyte solution. The electrolyte solution allows current to pass through it from the anode to the cathode. The cathode is also typically a thin metal foil which is connected to a metal strip that runs along the edge of the capacitor.The B43504E397M87 aluminum electrolytic capacitor is a radial-leaded, surface-mount device. It features a rated voltage of 100Vdc and a capacitance range of 3.5 µF ±20% at 100kHz, 25°C. It offers a wide temperature range of -55°C to +105°C with low impedance. Because of its low ESR, this capacitor can be used in a variety of electronic devices.The working principle of an aluminum electrolytic capacitor involves the migration of ions from one electrode to another to form a capacitor. When a voltage is applied to the capacitor, the positive ions migrate to the anode and the negative ions migrate to the cathode, leaving the capacitor charged. When the capacitor is discharged, the ions move in the opposite direction, restoring the capacitor to its original charge state.The anode and cathode of the B43504E397M 87 feature a special three-layer construction that provides high reliability and prevents premature failure. The anode is a thin foil made of aluminum oxide that is electrolytically hardened and etched, providing excellent heat dissipation. The cathode is a thin foil made from tin-plated copper, providing low impedance and high current capacity. A special insulating sleeve made of space-age PET (polyester) is placed between the anode and cathode foils to provide isolation from short circuits.The B43504E397M 87 aluminum electrolytic capacitor is used in a variety of electronic applications, including game consoles, telephones, computers, consumer electronics and more. It is an ideal choice for applications that need high capacitance in a small package. It offers low leakage and low ESR values to provide better power converter efficiency.Aluminum electrolytic capacitors are a reliable and cost-effective choice for a wide range of electronic applications. The B43504E397M 87 aluminum electrolytic capacitor is a great solution for applications that require high capacitance in a small package. It provides excellent heat dissipation, low impedance and low ESR values, making it an ideal choice for consumer electronics and other application fields.

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