Aluminum Electrolytic Capacitors

Find the right aluminum electrolytic capacitor for your power design. Our catalog covers surface-mount (SMD) and radial-lead capacitors for board-level designs, as well as snap-in and screw-terminal capacitors for high-power equipment. Contact our team for help sourcing standard, long-life and hard-to-find parts.

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Total Products: 14,103
ImageData
Sheet
Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp
Additional SpecificationsQtyGet A
Quote
LKG1K681MESYCKLKG1K681MESYCKNichiconCAP ALUM 680UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
680 µF
ESR:
N/A
Height Seated (Max):
4.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.1 A @ 120 Hz
Size / Dimension:
45 x 20 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
905
LKG1K681MESZCKLKG1K681MESZCKNichiconCAP ALUM 680UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
680 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.25 A @ 120 Hz
Size / Dimension:
35 x 22 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,907
LKG1K682MESCAKLKG1K682MESCAKNichiconCAP ALUM 6800UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
6.8 mF
ESR:
N/A
Height Seated (Max):
5.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
4.65 A @ 120 Hz
Size / Dimension:
50 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,670
LKG1K682MKNLKG1K682MKNNichiconCAP ALUM 6800UF ±20% 80V LAGAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
6.8 mF
ESR:
N/A
Height Seated (Max):
10.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
6.1 A @ 120 Hz
Size / Dimension:
100 x 40 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
835
LKG1K682MKZSLKG1K682MKZSNichiconCAP ALUM 6800UF ±20% 80V LAGAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
6.8 mF
ESR:
N/A
Height Seated (Max):
8.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
6.7 A @ 120 Hz
Size / Dimension:
80 x 50 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,788
LKG1K821MESAAKLKG1K821MESAAKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
1.65 A @ 120 Hz
Size / Dimension:
20 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,744
LKG1K821MESABKLKG1K821MESABKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2 A @ 120 Hz
Size / Dimension:
25 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,709
LKG1K821MESACKLKG1K821MESACKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.35 A @ 120 Hz
Size / Dimension:
35 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,526
LKG1K821MESBBKLKG1K821MESBBKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.05 A @ 120 Hz
Size / Dimension:
20 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,437
LKG1K821MESBCKLKG1K821MESBCKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.4 A @ 120 Hz
Size / Dimension:
25 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
667
LKG1K821MESCCKLKG1K821MESCCKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.55 A @ 120 Hz
Size / Dimension:
20 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
902
LKG1K821MESYAKLKG1K821MESYAKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
1.7 A @ 120 Hz
Size / Dimension:
25 x 20 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,121
LKG1K821MESYBKLKG1K821MESYBKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.05 A @ 120 Hz
Size / Dimension:
35 x 20 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,046
LKG1K821MESYCKLKG1K821MESYCKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
5.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.4 A @ 120 Hz
Size / Dimension:
50 x 20 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,520
LKG1K821MESZBKLKG1K821MESZBKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
3.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.05 A @ 120 Hz
Size / Dimension:
30 x 22 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
618
LKG1K821MESZCKLKG1K821MESZCKNichiconCAP ALUM 820UF ±20% 80V SNAP-INAluminum Electrolytic CapacitorsN/A80 V-40°C - 85°C
Applications:
Audio
Capacitance:
820 µF
ESR:
N/A
Height Seated (Max):
4.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
2.45 A @ 120 Hz
Size / Dimension:
40 x 22 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,996
LKG1V102MESYCKLKG1V102MESYCKNichiconCAP ALUM 1000UF ±20% 35V SNAP-INAluminum Electrolytic CapacitorsN/A35 V-40°C - 85°C
Applications:
Audio
Capacitance:
1 mF
ESR:
N/A
Height Seated (Max):
3.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
1.05 A @ 120 Hz
Size / Dimension:
30 x 20 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,967
LKG1V102MESZCKLKG1V102MESZCKNichiconCAP ALUM 1000UF ±20% 35V SNAP-INAluminum Electrolytic CapacitorsN/A35 V-40°C - 85°C
Applications:
Audio
Capacitance:
1 mF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
1 A @ 120 Hz
Size / Dimension:
25 x 22 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,814
LKG1V103MESAAKLKG1V103MESAAKNichiconCAP ALUM 10000UF ±20% 35V SNAP-INAluminum Electrolytic CapacitorsN/A35 V-40°C - 85°C
Applications:
Audio
Capacitance:
10 mF
ESR:
N/A
Height Seated (Max):
4.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
3.05 A @ 120 Hz
Size / Dimension:
45 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,342
LKG1V103MESBAKLKG1V103MESBAKNichiconCAP ALUM 10000UF ±20% 35V SNAP-INAluminum Electrolytic CapacitorsN/A35 V-40°C - 85°C
Applications:
Audio
Capacitance:
10 mF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1000 h @ 85°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
3 A @ 120 Hz
Size / Dimension:
35 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
760

Featured Brands

About Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors offer the most capacitance for the cost of any common capacitor type, which makes them the standard choice for bulk energy storage and filtering in power circuits. An etched aluminum foil with a thin oxide layer and an electrolyte packs high capacitance into a compact can, at voltages from low-voltage logic rails to high-voltage power stages.

Because they are polarized and their electrolyte ages with heat, the ratings that matter most are capacitance, voltage, ripple current, temperature and rated lifetime. Series differ mainly in how they balance these: long-life series for equipment that runs hot around the clock, low-ESR series for switching power supplies, and automotive-grade and audio-grade series for their specialized requirements. Suntsu sources these capacitors alongside our timing devices and integrated circuits for automotive, industrial and power applications.

Common Applications of Aluminum Electrolytic Capacitors

  • Power supply filtering: smoothing rectified DC and holding up output rails in AC-DC and DC-DC converters
  • DC link and bulk storage: snap-in and screw-terminal capacitors in inverters, motor drives, UPS and solar systems
  • Automotive electronics: automotive-grade series for engine control units, lighting and infotainment
  • Audio equipment: audio-grade capacitors for amplifier power supplies and signal coupling
  • Industrial and lighting: LED drivers, welding equipment and industrial controls that need high capacitance at high voltage

How to Choose the Right Aluminum Electrolytic Capacitor

Selecting the right aluminum electrolytic capacitor comes down to four key specifications:

Capacitance and Voltage: Match the µF value to your filtering or hold-up needs, and choose a rated voltage with headroom above your circuit’s maximum voltage, including ripple peaks.

Ripple Current and ESR: Make sure the rated ripple current covers the AC current the capacitor will carry. Low-ESR series run cooler in switching power supplies.

Temperature and Lifetime: Lifetime roughly doubles for every 10°C below the rated temperature, so pick a temperature rating and hour rating that suit how hot and how long your product will run.

Mounting Type and Size: Choose SMD or radial lead for board-level designs, snap-in for higher-power boards and screw terminal for chassis-mounted power equipment. Confirm the diameter and height fit your layout.

Check each product’s datasheet to confirm these specs align with your design before ordering.

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If you can’t find the parts you’re looking for in our database, don’t worry! We’re here to help. Simply fill out the form below with the part number you need and your contact information, and we’ll locate it for you. If you prefer to speak to someone directly, our sales team is available at 949.783.7300.

























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