686LMU450M2BD

Operating Temperature:	-40°C ~ 105°C
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	420mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	LMU
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	4.87854 Ohm @ 120Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: 686LMU450M2BD Application Field and Working Principle

Aluminum electrolytic capacitors, commonly known as ‘electrolytics’, are utilized in a myriad of electrical and industrial environments. These capacitors consist of two conductive plates spaced apart by a layer of electrically insulating material. As such, they behave similarly to a standard capacitor, but the aluminum electrolytic variety reach much higher levels of capacitance than their equivalents, making them ideal for high-end applications that require supreme performance. In this article, we will be exploring the 686LMU450M2BD aluminum electrolytic capacitor and looking into its application field and working principle.The 686LMU450M2BD belongs to the 470uF class of aluminum electrolytic capacitors, and features a solid aluminum electrolyte sealed into a cylindrical can. These capacitors also have excellent electrical stability, including a low dissipation factor and high insulation resistance. This is coupled with a wide range of operating temp – up to 105⁰C as well as a stable capacitance over temperature. Finally, its relatively precise capacitance mean that it can be accurately matched to the desired application.Applications for the 686LMU450M2BD aluminum electrolytic capacitor vary depending on the specific application, but these capacitors are often used in power supply designs, for circuit filtering and decoupling. Additionally, they are often associated with refrigeration, waveform protection/correction, audio systems, computers, automotive, telecommunications and industrial circuitry.The working principle of the 686LMU450M2BD aluminum electrolytic capacitor is largely similar to that of a standard capacitor. To explain further, when a potential difference is applied across the plates, an electrostatic field is created, and charge begins to accumulate. This electrolytic capacitor then acts similarly to that of a standard capacitor, storing the supplied energy when the current is cut off.However, the main difference between a standard capacitor and an aluminum electrolytic variety lies in the materials used. General capacitor plates consist of two conductive plates separated by an insulating material – known as a dielectric, such as rubber or mica.Conversely, aluminum electrolytic capacitors use two conductive plates made from aluminum foil. Between the plates lies a liquid or solid electrolyte, and this electrolyte is applied to the aluminum in a thin film. This process of plate formation is known as ‘electrolytic oxidation’.The 686LMU450M2BD aluminum electrolytic capacitor is a popular choice for many engineers due to its exceptional working and design features. With the ability to survive in extreme temperature ranges, store extreme capacitance levels, and offer a strong electrical insulation resistance, these capacitors have become the go-to choice for many of today’s demanding applications.

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