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
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Sheet
Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp
Additional SpecificationsQtyGet A
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UDB1H330MHMUDB1H330MHMNichiconCAP ALUM BP 33UF ±20% 50V RADIALAluminum Electrolytic CapacitorsN/A50 V-40°C - 85°C
Applications:
General Purpose
Capacitance:
33 µF
ESR:
N/A
Height Seated (Max):
3.2 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
N/A
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
N/A
Size / Dimension:
30.5 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,267
UDB1H3R3MPMUDB1H3R3MPMNichiconCAP ALUM BP 3.3UF ±20% 50V RADIALAluminum Electrolytic CapacitorsN/A50 V-40°C - 85°C
Applications:
General Purpose
Capacitance:
3.3 µF
ESR:
N/A
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
N/A
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
N/A
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,375
UDB1H470MHMUDB1H470MHMNichiconCAP ALUM BP 47UF ±20% 50V RADIALAluminum Electrolytic CapacitorsN/A50 V-40°C - 85°C
Applications:
General Purpose
Capacitance:
47 µF
ESR:
N/A
Height Seated (Max):
3.7 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
N/A
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
N/A
Size / Dimension:
35.5 x 18 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
883
UDB1H4R7MPMUDB1H4R7MPMNichiconCAP ALUM BP 4.7UF ±20% 50V RADIALAluminum Electrolytic CapacitorsN/A50 V-40°C - 85°C
Applications:
General Purpose
Capacitance:
4.7 µF
ESR:
N/A
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
N/A
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
N/A
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
604
UDB1H6R8MHMUDB1H6R8MHMNichiconCAP ALUM BP 6.8UF ±20% 50V RADIALAluminum Electrolytic CapacitorsN/A50 V-40°C - 85°C
Applications:
General Purpose
Capacitance:
6.8 µF
ESR:
N/A
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
N/A
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
N/A
Ripple Current Low Frequency:
N/A
Size / Dimension:
20 x 12.5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
599
UEP0J101MEDUEP0J101MEDNichiconCAP ALUM BP 100UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
100 µF
ESR:
N/A
Height Seated (Max):
1.25 cm
Impedance:
N/A
Lead Spacing:
2.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
135 mA @ 10 kHz
Ripple Current Low Frequency:
90 mA @ 120 Hz
Size / Dimension:
11 x 6.3 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,365
UEP0J102MPDUEP0J102MPDNichiconCAP ALUM BP 1000UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1 mF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
529 mA @ 10 kHz
Ripple Current Low Frequency:
460 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,534
UEP0J221MPDUEP0J221MPDNichiconCAP ALUM BP 220UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
220 µF
ESR:
N/A
Height Seated (Max):
1.3 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
225 mA @ 10 kHz
Ripple Current Low Frequency:
150 mA @ 120 Hz
Size / Dimension:
11.5 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,923
UEP0J222MHDUEP0J222MHDNichiconCAP ALUM BP 2200UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
2.2 mF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
943 mA @ 10 kHz
Ripple Current Low Frequency:
820 mA @ 120 Hz
Size / Dimension:
25 x 12.5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
741
UEP0J330MDDUEP0J330MDDNichiconCAP ALUM BP 33UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
33 µF
ESR:
N/A
Height Seated (Max):
1.25 cm
Impedance:
N/A
Lead Spacing:
2 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
92 mA @ 10 kHz
Ripple Current Low Frequency:
46 mA @ 120 Hz
Size / Dimension:
11 x 5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,813
UEP0J331MPDUEP0J331MPDNichiconCAP ALUM BP 330UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
330 µF
ESR:
N/A
Height Seated (Max):
1.3 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
277.5 mA @ 10 kHz
Ripple Current Low Frequency:
185 mA @ 120 Hz
Size / Dimension:
11.5 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,103
UEP0J332MHDUEP0J332MHDNichiconCAP ALUM BP 3300UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
3.3 mF
ESR:
N/A
Height Seated (Max):
2.7 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
1.276 A @ 10 kHz
Ripple Current Low Frequency:
1.11 A @ 120 Hz
Size / Dimension:
25 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
766
UEP0J470MDDUEP0J470MDDNichiconCAP ALUM BP 47UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
47 µF
ESR:
N/A
Height Seated (Max):
1.25 cm
Impedance:
N/A
Lead Spacing:
2 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
108 mA @ 10 kHz
Ripple Current Low Frequency:
54 mA @ 120 Hz
Size / Dimension:
11 x 5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,062
UEP0J471MPDUEP0J471MPDNichiconCAP ALUM BP 470UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
470 µF
ESR:
N/A
Height Seated (Max):
1.4 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
390 mA @ 10 kHz
Ripple Current Low Frequency:
260 mA @ 120 Hz
Size / Dimension:
12.5 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,294
UEP0J472MHDUEP0J472MHDNichiconCAP ALUM BP 4700UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
4.7 mF
ESR:
N/A
Height Seated (Max):
3.25 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
1.645 A @ 10 kHz
Ripple Current Low Frequency:
1.43 A @ 120 Hz
Size / Dimension:
30.5 x 16 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,048
UEP0J682MHDUEP0J682MHDNichiconCAP ALUM BP 6800UF ±20% 6.3V RADIALAluminum Electrolytic CapacitorsN/A6.3 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
6.8 mF
ESR:
N/A
Height Seated (Max):
3.75 cm
Impedance:
N/A
Lead Spacing:
7.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
2.104 A @ 10 kHz
Ripple Current Low Frequency:
1.83 A @ 120 Hz
Size / Dimension:
35.5 x 18 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
731
UEP1A101MEDUEP1A101MEDNichiconCAP ALUM BP 100UF ±20% 10V RADIALAluminum Electrolytic CapacitorsN/A10 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
100 µF
ESR:
N/A
Height Seated (Max):
1.25 cm
Impedance:
N/A
Lead Spacing:
2.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
135 mA @ 10 kHz
Ripple Current Low Frequency:
90 mA @ 120 Hz
Size / Dimension:
11 x 6.3 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,808
UEP1A102MHDUEP1A102MHDNichiconCAP ALUM BP 1000UF ±20% 10V RADIALAluminum Electrolytic CapacitorsN/A10 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1 mF
ESR:
N/A
Height Seated (Max):
2.2 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
586.5 mA @ 10 kHz
Ripple Current Low Frequency:
510 mA @ 120 Hz
Size / Dimension:
20 x 12.5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,186
UEP1A220MDDUEP1A220MDDNichiconCAP ALUM BP 22UF ±20% 10V RADIALAluminum Electrolytic CapacitorsN/A10 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
22 µF
ESR:
N/A
Height Seated (Max):
1.25 cm
Impedance:
N/A
Lead Spacing:
2 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
84 mA @ 10 kHz
Ripple Current Low Frequency:
42 mA @ 120 Hz
Size / Dimension:
11 x 5 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
998
UEP1A221MPDUEP1A221MPDNichiconCAP ALUM BP 220UF ±20% 10V RADIALAluminum Electrolytic CapacitorsN/A10 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
220 µF
ESR:
N/A
Height Seated (Max):
1.3 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
1000 h @ 105°C
Polarization:
Bi-Polar
Ratings:
N/A
Ripple Current High Frequency:
225 mA @ 10 kHz
Ripple Current Low Frequency:
150 mA @ 120 Hz
Size / Dimension:
11.5 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
660

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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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