381LX152M100A012

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.15A @ 20kHz
Ripple Current @ Low Frequency:	2.1A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	381LX
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	1500µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors, abbreviated as AECs or simply electrolytic capacitors, are electromechanical components consisting of aluminum foil electrodes separated by an electrolyte. These capacitors are typically used in power supplies, signal processing systems, and data communication applications. The most common type of AEC is a rolled foil version, which is ideal for applications requiring high capacitance in a small space. The model number, 381LX152M100A012, is an AEC’s identifier, which provides information about the capacitor\'s characteristics.

381LX152M100A012 aluminum electrolytic capacitors are designed for use in high-power applications. The 381 in the identifier signifies that the capacitor has a rated voltage of 380 volts. A higher rated voltage capacitor is necessary for a given application if it’s going to be exposed to voltage spikes or voltage drops. LX stands for “extended life” and indicates that this particular capacitor is designed to last several times longer than most other AECs. The 152 designation is the capacitance value, indicating that the capacitor has an unusually high capacitance value of 152uf. The 100 is the tolerance value, signifying that the actual capacitance of the capacitor will most likely fall somewhere between 100uf and 150uf. A lastly, the A012 is the code for the electrical equivalent series resistance, or ESR. The A012 indicates that, on average, the capacitor will have an ESR of 12 ohms.

An aluminum electrolytic capacitor works using the combination of ionic conductivity (the movement of positive and negative ions) and electrostatic action (the attraction and repulsion of electrical charge). When current is applied to the capacitor, the positive ions on one of the metal electrodes move to the other electrode while the negative ions remain, resulting in a charge transfer of electrons between the two metal plates. This effectively creates a capacitor with a significant capacitance. The capacitance of the capacitor is directly proportional to the surface area of the electrodes.

The 381LX152M100A012 aluminum electrolytic capacitor is well-suited for applications that require handling high power, such as switch-mode power supply (SMPS), dc-to-dc power converters, motor control systems, and amplifier circuits. Its long life, high capacitance, and low ESR make it ideal for applications where stability and longevity are important. These capacitors are also suitable for applications that require a higher voltage rating, such as audio systems, monitoring equipment, surge protectors, and automotive systems.

When choosing the right aluminum electrolytic capacitor for a given application, it’s important to select components that match the system’s voltage and current needs as closely as possible. Additionally, these capacitors should also be used in combination with other components to ensure that the circuit’s performance meets the desired specifications. Proper usage and care of these capacitors will also go a long way in ensuring the capacitor lasts as long as it should. When in doubt, it’s usually best to consult with an experienced applications engineer to get the best capacitor selection for a given application.

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