B41890A4128M

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	55 mOhms
Ripple Current @ High Frequency:	1.82A @ 100kHz
Applications:	General Purpose
Ratings:	--
Series:	B41890
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	20000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	66 mOhm @ 10kHz
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	1200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are broadly used in common electronic and electrical devices. They are versatile components, both reliable and capable of meeting a wide range of applications. One of these capacitors is the B41890A4128M.The B41890A4128M is an aluminum electrolytic capacitor designed to meet stringent surge performance requirements, while providing very low ESR (equivalent series resistance). Its compact design, high temperature performance capability and proven reliability make it an ideal solution for severe environmental conditions.The B41890A4128M is offered with a variety of package sizes and mounting styles, and is capable of being connected in series or parallel for very high capacitance needs. It’s rated voltage is 630V DC and its temperature range is -55°C to +105°C. It is rated to have a maximum ripple current at 20kHz is 3.64A, and its ripple rating established at 120°C is 5.5F. It also has a surge current rating of 18.5A.The working principle of the B41890A4128M aluminum electrolytic capacitor is relatively simple. Inside the plastic casing is an electrolytic solution and two terminals. On the outside of the casing is an aluminum foil and a plastic coating. When a voltage is applied, ions in the electrolyte react with the aluminum foil, resulting in an electrical charge. This charge is then stored in a thin layer on the aluminum oxide film that coats the aluminum foil. This charge is then released when the electrical current is removed.The B41890A4128M provides very high capacitance values and low ESR compared to other capacitor types. These factors make it an ideal choice for various DC-DC converter circuits and other applications where high capacitance and low ESR are required. It can be used in server power supplies and electronic devices, such as hard disk drives, communication equipment, and more.The B41890A4128M can also be used for energy storage. It can be used as an energy buffer to stabilize power supply in pulsed load operations or it can be used for smoothing out short-term ripple current in power supply applications. It is also suitable for use in lightning protection circuits, inverters, motor drives and most other applications where good capacitance and surge performance is required.In summary, the B41890A4128M is a highly reliable aluminum electrolytic capacitor, offering very high capacitance and ESR values, and low rate of aging. With its broad range of applications, it can meet a variety of needs and is an ideal choice for use in server power supplies and other electronic devices.

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