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
LQSW6271MELA40LQSW6271MELA40NichiconCAP ALUM 270UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
270 µF
ESR:
N/A
Height Seated (Max):
4.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
1.788 A @ 50 kHz
Ripple Current Low Frequency:
1.25 A @ 120 Hz
Size / Dimension:
40 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,227
LQSW6271MELB30LQSW6271MELB30NichiconCAP ALUM 270UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
270 µF
ESR:
N/A
Height Seated (Max):
3.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
1.788 A @ 50 kHz
Ripple Current Low Frequency:
1.25 A @ 120 Hz
Size / Dimension:
30 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
797
LQSW6271MELC25LQSW6271MELC25NichiconCAP ALUM 270UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
270 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
1.788 A @ 50 kHz
Ripple Current Low Frequency:
1.25 A @ 120 Hz
Size / Dimension:
25 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,276
LQSW6331MELA50LQSW6331MELA50NichiconCAP ALUM 330UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
330 µF
ESR:
N/A
Height Seated (Max):
5.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.031 A @ 50 kHz
Ripple Current Low Frequency:
1.42 A @ 120 Hz
Size / Dimension:
50 x 25 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
638
LQSW6331MELB35LQSW6331MELB35NichiconCAP ALUM 330UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
330 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.031 A @ 50 kHz
Ripple Current Low Frequency:
1.42 A @ 120 Hz
Size / Dimension:
35 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
883
LQSW6331MELC30LQSW6331MELC30NichiconCAP ALUM 330UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
330 µF
ESR:
N/A
Height Seated (Max):
3.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.031 A @ 50 kHz
Ripple Current Low Frequency:
1.42 A @ 120 Hz
Size / Dimension:
30 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,070
LQSW6391MELB40LQSW6391MELB40NichiconCAP ALUM 390UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
390 µF
ESR:
N/A
Height Seated (Max):
4.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.302 A @ 50 kHz
Ripple Current Low Frequency:
1.61 A @ 120 Hz
Size / Dimension:
40 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,315
LQSW6391MELC35LQSW6391MELC35NichiconCAP ALUM 390UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
390 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.302 A @ 50 kHz
Ripple Current Low Frequency:
1.61 A @ 120 Hz
Size / Dimension:
35 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,038
LQSW6471MELB45LQSW6471MELB45NichiconCAP ALUM 470UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
470 µF
ESR:
N/A
Height Seated (Max):
4.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.66 A @ 50 kHz
Ripple Current Low Frequency:
1.86 A @ 120 Hz
Size / Dimension:
45 x 30 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,216
LQSW6471MELC40LQSW6471MELC40NichiconCAP ALUM 470UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
470 µF
ESR:
N/A
Height Seated (Max):
4.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
2.66 A @ 50 kHz
Ripple Current Low Frequency:
1.86 A @ 120 Hz
Size / Dimension:
40 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,746
LQSW6561MELC45LQSW6561MELC45NichiconCAP ALUM 560UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
560 µF
ESR:
N/A
Height Seated (Max):
4.7 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
3.003 A @ 50 kHz
Ripple Current Low Frequency:
2.1 A @ 120 Hz
Size / Dimension:
45 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
952
LQSW6681MELC50LQSW6681MELC50NichiconCAP ALUM 680UF ±20% 420V SNAP-INAluminum Electrolytic CapacitorsN/A420 V-25°C - 105°C
Applications:
General Purpose
Capacitance:
680 µF
ESR:
N/A
Height Seated (Max):
5.2 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
3.146 A @ 50 kHz
Ripple Current Low Frequency:
2.2 A @ 120 Hz
Size / Dimension:
50 x 35 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
834
UAQ2D101MHDUAQ2D101MHDNichiconCAP ALUM 100UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
100 µF
ESR:
N/A
Height Seated (Max):
3.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
536 mA @ 10 kHz
Ripple Current Low Frequency:
335 mA @ 120 Hz
Size / Dimension:
35.5 x 12.5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
509
UAQ2D101MHD3UAQ2D101MHD3NichiconCAP ALUM 100UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
100 µF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
536 mA @ 10 kHz
Ripple Current Low Frequency:
335 mA @ 120 Hz
Size / Dimension:
20 x 18 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,387
UAQ2D101MHD6UAQ2D101MHD6NichiconCAP ALUM 100UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
100 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
536 mA @ 10 kHz
Ripple Current Low Frequency:
335 mA @ 120 Hz
Size / Dimension:
25 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,095
UAQ2D151MHDUAQ2D151MHDNichiconCAP ALUM 150UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
150 µF
ESR:
N/A
Height Seated (Max):
3.25 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
696 mA @ 10 kHz
Ripple Current Low Frequency:
435 mA @ 120 Hz
Size / Dimension:
30.5 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
792
UAQ2D151MHD6UAQ2D151MHD6NichiconCAP ALUM 150UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
150 µF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
696 mA @ 10 kHz
Ripple Current Low Frequency:
435 mA @ 120 Hz
Size / Dimension:
25 x 18 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
829
UAQ2D151MRD3UAQ2D151MRD3NichiconCAP ALUM 150UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
150 µF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
1 cm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
696 mA @ 10 kHz
Ripple Current Low Frequency:
435 mA @ 120 Hz
Size / Dimension:
20 x 22 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
746
UAQ2D181MHDUAQ2D181MHDNichiconCAP ALUM 180UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
180 µF
ESR:
N/A
Height Seated (Max):
3.75 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
792 mA @ 10 kHz
Ripple Current Low Frequency:
495 mA @ 120 Hz
Size / Dimension:
35.5 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,987
UAQ2D181MHD6UAQ2D181MHD6NichiconCAP ALUM 180UF ±20% 200V RADIALAluminum Electrolytic CapacitorsN/A200 V-40°C - 105°C
Applications:
General Purpose
Capacitance:
180 µF
ESR:
N/A
Height Seated (Max):
3.25 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
792 mA @ 10 kHz
Ripple Current Low Frequency:
495 mA @ 120 Hz
Size / Dimension:
30.5 x 18 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,822

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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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