LASW6181MELB30

Series:	LAS
Packaging:	Bulk
Part Status:	Active
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	420V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	900mA @ 120Hz
Ripple Current @ High Frequency:	1.035A @ 10kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	1.260" (32.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors: LASW6181MELB30 Application Field and Working Principle

Aluminum electrolytic capacitors are used in many different application fields, ranging from highly demanding industrial automation systems to the more straightforward audio and video entertainment systems. They are also commonly found in consumer electronics and automotive systems. LASW6181MELB30 is a polarized aluminum electrolytic capacitor with a snap-in mounting system and a temperature range of -40°C to +105°C. It is commonly used in applications that require a reliable electrical connection in a high temperature or wet environment. The construction of an aluminum electrolytic capacitor starts with a highly porous anode layer made out of aluminum foil. This anode is then immersed in a liquid electrolyte, usually an aqueous solution of organic acids or boric acid. A separator, normally made of paper covered with a thin film of polyethylene, is then placed on top of the anode. Last, a cathode layer of aluminum foil is placed on the top. All layers are pressed together with a separator spacer to form a capacitor element. The electrical characteristics of an aluminum electrolytic capacitor are primarily determined by its structure. This is because the polarization of the aluminum layer produces a local electric field in the surrounding electrolyte, causing an electrical charge buildup in the electrolyte, which acts as the capacitance in the capacitor. The leakage current of an electrolytic capacitor is also directly related to its structure. By controlling the electrolyte used and the degree of polarization of the anode, the leakage current of electrolytic capacitors can be reduced. The electrical properties of LASW6181MELB30 give it high reliability in high temperature and wet environment applications. A high polarization voltage ensures that it can handle extreme environmental fluctuations. The voltage rating of the device depends on its capacitance, maximum operating temperature, and ripple current rating. Its lead-free tin terminations allow for a better solder joint in high-temperature applications. The working principle of the device is quite straightforward. When a voltage is applied in the correct directions, the positively charged ions in the electrolyte become attracted to the negative terminal of the voltage source, and the negatively charged ions to the positive terminal. This causes an electric current to flow between the two terminals, which produces an electric field and a current.The electric field generates a charge in the anode layer, which in turn causes the ions in the liquid electrolyte to move around the electrolytic capacitor until eventually all of the available electric charge is stored in the capacitor. This storage of electric charge increases the capacitance of the component, which then allows the component to store higher levels of electrical energy. In conclusion, the LASW6181MELB30 aluminum electrolytic capacitor is a highly reliable device that can be used in a variety of high-temperature and wet environment applications. Its outstanding electrical characteristics, including high polarization voltage, high maximum operating temperature, and low leakage current, make it a suitable choice for these applications. The device’s working principle, based on the movement of ions in the liquid electrolyte, is relatively simple yet highly effective.

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