381LX152M035H202

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.3A @ 20kHz
Ripple Current @ Low Frequency:	1.1A @ 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:	35V
Tolerance:	±20%
Capacitance:	1500µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor which uses aluminum as an anode and electrolyte as a cathode. They store electrical energy and are typically used to filter and stabilize direct currents and to smooth pulses and ripples in alternating currents. The product code ‘381LX152M035H202’ refers to an aluminum electrolytic capacitor made by Panasonic.

Function

Aluminum electrolytic capacitors serve multiple functions. They are used to shape, filter, and modulate signals, reduce interference and noise, and also to store electrical energy. They offer a wide range of capacitance values, voltage ratings, and small sizes suitable for a large number of applications.

Construction

Aluminum electrolytic capacitors consist of an anode and a cathode separated by an electrolyte. The anode of the capacitor is made from an aluminum foil rolled or stamped into a rolled-polarity package, with the cathode being made of a porous carbon paper or pressboard. The electrolyte is composed of an aqueous solution containing an electrolyte such as boric acid, phosphoric acid, sulfuric acid, or manganese oxide. The cathode is typically charged in a polarizing process, prior to packaging.

Application Field

381LX152M035H202 aluminum electrolytic capacitor is suitable for a variety of applications such as audio equipment, automotive electronics, consumer electronics, video and display systems, networking systems, and medical equipment. The rated voltage for this capacitor is 1500V and its capacitance is 7500μF. This makes it well suited for applications that require high level of ripple current such as motor drives, high power supplies, and switching power supplies as well as for high-stability applications.

Working Principle

The electrical energy stored in an aluminum electrolytic capacitor is generated from the anode-cathode path between the electrodes, across which there is a voltage potential gradient. This charge generates a charge field, which increases the capacitance from its minimum value to its maximum capacitance value. The dissipation factor of the capacitor is directly proportional to the frequency of the applied voltage, with higher frequency signals producing a higher voltage drop across the device. The leakage current is also directly related to the frequency of the applied voltage, with high frequency signals having a higher leakage current. In conclusion, aluminum electrolytic capacitors are one of the most common capacitors used in electronics. Their wide range of voltage ratings and small sizes allow them to be used in a wide variety of applications, from audio equipment to motor drives. The ‘381LX152M035H202’ is a 1500V, 7500μF aluminum electrolytic capacitor made by Panasonic and is therefore suitable for high current ripple as well as high-stability applications.

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