ALF40C182FP400

Ratings:	--
Package / Case:	Radial, Can - Snap-In - 4 Lead
Mounting Type:	Through Hole, Press-Fit
Surface Mount Land Size:	--
Height - Seated (Max):	4.213" (107.00mm)
Size / Dimension:	1.772" Dia (45.00mm)
Lead Spacing:	0.886" (22.50mm)
Impedance:	55 mOhms
Ripple Current @ High Frequency:	12.04A @ 10kHz
Ripple Current @ Low Frequency:	6.48A @ 100Hz
Applications:	General Purpose
Series:	ALF40
Polarization:	Polar
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	82 mOhm @ 100Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	1800µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitors that contain two aluminum foils sandwiching a thin layer of insulating dielectric material. The two aluminum foils form two electrodes that are separated by a thin dielectric layer and two electrical contacts. The top foil is the anode, the bottom the cathode. The active elements of electrolytic capacitors are the electrolyte and the anode, formed by a thin aluminum oxide layer. The capacitance of aluminum electrolytic capacitors is orders of magnitudes higher than that of ceramic capacitors and paper capacitors, usually ranging from microfarads to millifarads.

ALF40C182FP400 Application Field and Working Principle

The ALF40C182FP400 is an aluminum electrolytic capacitor with a capacitance of182mF and a rated voltage of 40 VDC. It has a 10-year life expectancy and an operating temperature range of -40 to +85 degrees C. This makes the ALF40C182FP400 ideal for use in industrial, automotive, telecommunications, consumer electronics, and computer applications.The ALF40C182FP400 works by utilizing a combination of two aluminum foils sandwiched together between an insulating dielectric material. When alternating current is passed through the capacitor, a charge builds up in the form of a voltage across the capacitor that is stored in the dielectric, creating an electric field. When a direct current is passed through the capacitor, the electric field stored between the two aluminum foils can be used to supply power. This capacitor is especially beneficial in applications where a stable and reliable voltage is needed as it is both efficient and reliable.The ALF40C182FP400 also has a low ESR, low minimum impedance, and high ripple current capabilities, making it suitable for high-frequency circuits such as switching power supplies, laptop computers, and LCD TVs. This capacitor also has a low ESR due to its aluminum construction, which results in a low resistance to the current passing through it. This helps reduce energy consumption and provides added protection to the circuitry, making it an ideal choice for applications that require low power consumption or added protection.

Conclusion

Aluminum electrolytic capacitors are capable of storing large amounts of energy at a relatively low cost and with relatively low losses. The ALF40C182FP400 is an excellent choice for applications that require a reliable, stable voltage and that require a high ripple current, due to its combination of low ESR and low minimum impedance. In addition, it is both reliable and efficient, making it a great choice for power supplies, laptop computers, and LCD TVs, among many other applications.

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