B41690A7198Q7

Series:	B41690
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1900µF
Tolerance:	-10%, +30%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	65 mOhm @ 100Hz
Lifetime @ Temp.:	5000 Hrs @ 125°C
Operating Temperature:	-55°C ~ 125°C
Polarization:	Polar
Ratings:	--
Applications:	Automotive
Ripple Current @ High Frequency:	4.2A @ 10kHz
Impedance:	31 mOhms
Lead Spacing:	--
Size / Dimension:	0.630" Dia x 1.181" L (16.00mm x 30.00mm)
Height - Seated (Max):	--
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Axial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most common electronic components used either temporarily or in long-term applications. Aluminum electrolytic capacitors are made up of an anode being a thin aluminum foil coated with an oxidized layer, a cathode typically being a high surface area aluminum foil, and a separator. They use an electrolyte to separate these two layers, usually an alkaline or acidic material. The separation of the two networks creates a so-called charge accumulation layer, or dielectric, between the two networks. By applying a voltage to the layers, the applied electrical field causes a current to flow across the dielectric, reversing the oxidation process and allowing current to flow across the capacitor. The specific type of aluminum electrolytic capacitor which concerns us here is the B41690A7198Q7 - a relatively low ESR, for instance, radial leaded capacitor with a 100 µF capacitance, 400 Volt. As such it is suitable for applications which require a relatively high charge and discharge rate, while maintaining reasonable temperature stability. The principle of operation of this type of aluminum electrolytic capacitor is fairly standard and straightforward. It is essentially a two-terminal component made of two aluminum metal plates, separated by an electrolyte, and filled with an electrolyte solution. When a potential is applied to the plates, the positive plate receives an electrical charge relative to the negative plate, forming a potential difference, or voltage, across the capacitor. This voltage difference creates a field between the plates, which causes the electrolyte solution inside the capacitor to be ionized, producing charged ions. As the electric field continuesto increase, the ions are attracted to either the positive or negative plate, depending on their charge, creating a charge in the plates known as a capacitance. This capacitance is stored in the form of electrical energy in the capacitor. The B41690A7198Q7 is ideal for a range of applications requiring a rapid charge and discharge rate while maintaining acceptable temperature stability. A few of the more common applications for this capacitor include: AC/DC power supply circuits, microcontroller voltage regulation, signal conditioning circuits, filtering and drawing, logic circuits, and frequency regulation. As with all aluminum electrolytic capacitors, handling should be done with extreme care due to their relatively fragile, yet fragilely constructed structure. Special attention must be taken to ensure pin insulation is in place and secure to prevent shorting, discharging, and ultimately damaging the capacitor. In conclusion, the B41690A7198Q7 is an ideal aluminum electrolytic capacitor for use in applications which require a high charge and discharge rate while maintaining a reasonable level of temperature stability. It is important to handle the capacitor with care due to its fragile structure.

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