LXY16VB122M12X20LL

Series:	LXY
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	7000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	804mA @ 120Hz
Ripple Current @ High Frequency:	1.34A @ 100kHz
Impedance:	46 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Height - Seated (Max):	0.787" (20.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in a variety of electrical and electronic devices, from simple circuits in toys to sophisticated power stabilizers in personal computers. A specific type of aluminum electrolytic capacitor that has become increasingly popular in many applications is the LXY16VB122M12X20LL. This capacitor stands out from many of its aluminum electrolytic peers due to its small physical size and reliability.

Application Field

The LXY16VB122M12X20LL is especially beneficial when used as an outboard component on a printed circuit board. It is typically used in applications that require a reliable medium-high capacitance rating (100 µF to 220 µF) and smaller physical size. Because of the smaller size, there will be more room available for surrounding components. The capacitor also works well in medium-high frequency and high-noise applications, such as motor drive inverters, electric tool circuits, LED lighting applications, transformer ballast circuits, and HID ballasts. Due to its low-ESR (equivalent series resistance) rating, it is well suited for applications that require highly-stable voltage.

Working Principle

At its core, the LXY16VB122M12X20LL is an electric double-layer capacitor, also known as an EDLC, or Supercap. Unlike conventional capacitors, an EDLC capacitor has a much higher capacitance rating with an extremely low equivalent series resistance, or ESR. This combination makes it ideal for multiple applications that require a reliable source of voltage.The internal workings of the LXY16VB122M12X20LL rely on two pieces of aluminum foil that have been specially processed. These are separated by an electrolytic material, and then both pieces and the material are housed in a polymer enclosure. The combination of aluminum and electrolyte creates a double-layer capacitor structure that is very efficient for storing and releasing electricity.When electricity is run through the aluminum plate and the electrolyte, an electric double-layer is formed. This layer of ions between the two aluminum plates holds and releases electrical charge. As electricity is run through the capacitor, ions are attach to the aluminum plates and an electrical charge is created. The higher the voltage, the more ions are attracted to the surface of the aluminum plates, thus increasing the amount of electrical charge that can be stored. When the input voltage is removed, the ions stored in the double-layer release what is called “equivalent series resistance”, or ESR. This ESR helps to further stabilize the voltage output of the capacitor and enables devices such as electric tools and LED lighting to maintain their voltage even when working in harsh environments.

Conclusion

The LXY16VB122M12X20LL is a special type of aluminum electrolytic capacitor designed for a variety of applications. Its compact size and low-ESR rating make it well suited for motor drive inverters, power supply circuits, and other medium-high frequency applications. The capacitor is able to maintain an extremely stable voltage output due to its internal double-layer capacitor construction and can be further enhanced with its low-ESR rating. All in all, the LXY16VB122M12X20LL is an invaluable component for highly reliable, high-power electronic applications.

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