LP122M250H9P3

Series:	LP
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	250V
ESR (Equivalent Series Resistance):	165 mOhm @ 120Hz
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	3.1A @ 120Hz
Ripple Current @ High Frequency:	4.34A @ 100kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Height - Seated (Max):	1.969" (50.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are well known in the modern world for their excellent ability to store and release electrical energy with very minimal losses. In particular, one type of aluminum electrolytic capacitor, the LP122M250H9P3, is a commercial grade of Aluminum Electrolytic Capacitor that is utilized for a number of useful applications.

Uses and Applications

LP122M250H9P3 capacitors are mainly used for short-term energy storage or as filtering or decoupling capacitors. As such, it is often used in power supplies, DC-DC converters, motor control circuits, and other applications where energy storage and release is needed. For example, LP122M250H9P3 capacitors are often employed in AC adapters for laptops and other portable electronics.

Construction and Design

As an aluminum electrolytic capacitor, the LP122M250H9P3 is primarily comprised of an aluminum housing, two poles (the anode and cathode), and a number of capacitors arranged in series between the two poles. The aluminum housing serves as a protective shell for the capacitor elements, as well as a means for dissipating heat.Most capacitors of this type also utilize a foam-like material called a “sponge” between the two poles. This material helps to absorb any mechanical stresses that may occur as a result of vibration or mishandling, ensuring the capacitor’s long term reliability.

Working Principle

The working principle of an LP122M250H9P3 capacitor is very simple. This type of aluminum electrolytic capacitor stores electrical energy as a static charge in the capacitor elements, and then releases it when needed. The amount of energy stored in the capacitor elements depends on the voltage applied to the capacitor, and the internal impedance of the capacitor elements.For example, when an appropriate voltage is applied to the capacitor, the electrical charge generated in the capacitor elements is strong enough to oppose the applied voltage and, in effect, the capacitor “resists” the voltage. This opposition helps to store the electrical energy as long as the applied voltage is sustained.When the applied voltage is removed, the stored electrical energy is slowly released into the circuit. The capacitor elements are designed to ensure that the electrical charge dissipates gradually, allowing the stored electrical energy to be released slowly and steadily.

Conclusion

The LP122M250H9P3 capacitor is a reliable and versatile aluminum electrolytic capacitor that is used for a number of different applications. Its excellent durability and excellent ability to store and release electrical energy make it an ideal choice for applications where reliable, short-term energy storage and release is needed.

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