LGR2W151MELB40

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.1297A @ 50kHz
Ripple Current @ Low Frequency:	790mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGR
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to the Application Field and Working Principle of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most commonly used type of capacitors and offer a number of advantages for various applications. They are known for their long lifespans and low cost. These types of capacitors are used in electric motor starters, disposable hearing aids, electric vehicle traction motors, and more. Since they are robust and reliable, aluminum electrolytic capacitors are also used in telecommunications, aerospace, and industrial applications.The working principle of aluminum electrolytic capacitors relies on the electrolyte between the anode and cathode layers. This electrolyte acts as a medium that creates a barrier that allows current to flow only in one direction. The current will flow only from the anode to the cathode, and the electrolyte will serve as an insulator to prevent current from flowing in the opposite direction.In the case of the LGR2W151MELB40, the cathode is composed of an aluminum foil and the anode is composed of a manganese dioxide layer. This manganese dioxide layer acts as the electrolyte between the anode and the cathode, allowing current to flow only in one direction. This design of aluminum electrolytic capacitor results in excellent capacitance and very good voltage and ripple current ratings.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors can be divided into three main categories: standard, polar, and non-polar.Standard aluminum electrolytic capacitors typically have one high voltage rating and typically require some additional components to reduce their voltage. They are often used in power supply applications, as they can handle relatively low and high ripple current.Polar aluminum electrolytic capacitors, also known as polarized capacitors, offer higher voltage ratings, but in a single form factor. These types of capacitors are bi-polarized, meaning that one side of the capacitor is the anode and the other side is the cathode. Having both the anode and cathode within the same capacitor allows for a higher breakdown voltage compared to standard aluminum electrolytic capacitors. Non-polar aluminum electrolytic capacitors, also known as non-polarized capacitors, have the same design as standard aluminum electrolytic capacitors but without the need for external components to reduce voltage. This makes them more space-efficient and cost-effective than their other counterparts. These types of capacitors are used in applications where high-ripple current and low ESR values are necessary.

Performance of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors offer a number of performance benefits, including a greater capacitance value per unit volume when compared to other types of capacitors. This is mainly due to the fact that the aluminum foil and manganese dioxide layers can be stacked and tightly wound.They also offer excellent ripple current ratings and high temperature performance. Due to their robust construction, aluminum electrolytic capacitors are capable of operating on a wide temperature range and are ideal for industrial and automotive applications. Aluminum electrolytic capacitors are also known for their long life span. This is because the electrolyte between the anode and cathode layers provides a lower equivalent series resistance (ESR) compared to other types of capacitors. This in turn helps to reduce the temperature rise of the capacitor and makes it more efficient. Finally, aluminum electrolytic capacitors are known for their high reliability and low leakage current. This makes them an ideal choice for use in safety-critical applications, where reliable operation is paramount.

Conclusion

In conclusion, the LGR2W151MELB40 aluminum electrolytic capacitor is an ideal choice for a wide range of applications due to the range of performance benefits they offer. With their long lifespans, excellent voltage ratings, and high ripple current ratings, they are an excellent choice for use in a variety of industrial, automotive, and aerospace applications. Additionally, the design of aluminum electrolytic capacitors with manganese dioxide electrolyte layers ensures high reliability and low leakage current, making them well suited for safety-critical applications. With the advantages they offer, it’s no wonder aluminum electrolytic capacitors remain a popular choice for many applications.

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