ALS81A432KF250

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.213" (107.00mm)
Size / Dimension:	2.008" Dia (51.00mm)
Lead Spacing:	0.874" (22.20mm)
Impedance:	36 mOhms
Ripple Current @ High Frequency:	14.3A @ 10kHz
Ripple Current @ Low Frequency:	8.9A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS81
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	54 mOhm @ 100Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	4300µF
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 very popular and frequently used in many applications, from consumer electronics like televisions and digital cameras to industrial drives, pumps, motors, and even computing power supplies. These capacitors make use of an aggressive electrochemical reaction between aluminum and non-conductive electrolytes to achieve higher values of capacitance in a much smaller volume than conventional capacitors.The most common type of aluminum electrolytic capacitors are radial and axial-style capacitors. The ALS81A432KF250 is a specific type of aluminum electrolytic capacitor commonly used in various electronic subsystems including power supplies and line voltage inputs.The major difference between the ALS81A432KF250 and other aluminum electrolytic capacitors is the fact that it features a higher voltage input and higher capacitance, up to 25 volts. This makes it ideal for applications that require higher voltage handling such as power supplies, line voltage inputs, and motor starting and other AC inputs. It also features better heat dissipation, greater stability, and longer life compared to other types of aluminum electrolytic capacitors.The working principle of the ALS81A432KF250 is fairly simple. The capacitor is constructed using an aluminum foil acting as the cathode, and an electrolyte filled anode. Positively charged ions flow through the electrolyte and create a positive charge on the anode. This creates a potential difference across the capacitor plates. When a signal is applied to the terminals, the charge on the anode side builds up and begins to flow through the capacitor’s dielectric material. This acts as a filter that draws out the signal, resulting in a filtered DC voltage at the capacitor’s output.While the ALS81A432KF250 is used mainly in AC applications, it can also be used in other power applications such as current limiting, harmonic filtering, as well as in noise suppression circuits. It is also popular in high voltage DC applications such as ripple suppression, spike suppression, as well as snubbing circuits.The ALS81A432KF250 is also capable of handling extremely high peak currents, making it ideal for use in applications that require high current capabilities such as EMI/RFI suppression and motor control. As with all capacitor types, the ALS81A432KF250 should be properly sized and selected according to the application, operating voltage, and current needed.In conclusion, the ALS81A432KF250 is a high voltage aluminum electrolytic capacitor widely used in power applications such as current limiting, motor control, and EMI/RFI suppression. As with all capacitor types, it should be properly selected and sized according to the application and its specifications.

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