Aluminum Polymer Capacitors

Find the right aluminum polymer capacitor for your power design. Our catalog covers surface-mount (SMD) and radial-lead polymer capacitors for applications that need low ESR, high ripple current and stable performance across temperature. Contact our team for help sourcing standard and hard-to-find parts.

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Total Products: 2,344
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Sheet
Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp
Additional SpecificationsQtyGet A
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RNL1C102MDS4RNL1C102MDS4NichiconCAP ALUM POLY 1000UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,618
RNL1C102MDSASQRNL1C102MDSASQNichiconCAP ALUM POLY 1000UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.5 A @ 300 kHz
Ripple Current Low Frequency:
750 mA @ 120 Hz
Size / Dimension:
20 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,576
RNL1C102MDSBSQRNL1C102MDSBSQNichiconCAP ALUM POLY 1000UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,247
RNL1C122MDS1RNL1C122MDS1NichiconCAP ALUM POLY 1200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.5 A @ 300 kHz
Ripple Current Low Frequency:
750 mA @ 120 Hz
Size / Dimension:
20 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,103
RNL1C122MDS4RNL1C122MDS4NichiconCAP ALUM POLY 1200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,915
RNL1C122MDSASQRNL1C122MDSASQNichiconCAP ALUM POLY 1200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.5 A @ 300 kHz
Ripple Current Low Frequency:
750 mA @ 120 Hz
Size / Dimension:
20 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,967
RNL1C122MDSBSQRNL1C122MDSBSQNichiconCAP ALUM POLY 1200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,793
RNL1C152MDS1RNL1C152MDS1NichiconCAP ALUM POLY 1500UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.5 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
988
RNL1C152MDS4RNL1C152MDS4NichiconCAP ALUM POLY 1500UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.5 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
990
RNL1C152MDS6RNL1C152MDS6NichiconCAP ALUM POLY 1500UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.5 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
3.5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.5 A @ 300 kHz
Ripple Current Low Frequency:
750 mA @ 120 Hz
Size / Dimension:
20 x 8 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,144
RNL1C152MDSASQRNL1C152MDSASQNichiconCAP ALUM POLY 1500UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.5 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,437
RNL1C152MDSBSQRNL1C152MDSBSQNichiconCAP ALUM POLY 1500UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.5 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,874
RNL1C182MDS1RNL1C182MDS1NichiconCAP ALUM POLY 1800UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.8 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,117
RNL1C182MDS4RNL1C182MDS4NichiconCAP ALUM POLY 1800UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.8 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,060
RNL1C182MDSASQRNL1C182MDSASQNichiconCAP ALUM POLY 1800UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.8 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,066
RNL1C182MDSBSQRNL1C182MDSBSQNichiconCAP ALUM POLY 1800UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
1.8 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
1.75 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
7.7 A @ 300 kHz
Ripple Current Low Frequency:
770 mA @ 120 Hz
Size / Dimension:
16 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,768
RNL1C222MDS1RNL1C222MDS1NichiconCAP ALUM POLY 2200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
2.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
588
RNL1C222MDSASQRNL1C222MDSASQNichiconCAP ALUM POLY 2200UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
2.2 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,348
RNL1C242MDS1RNL1C242MDS1NichiconCAP ALUM POLY 2400UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
2.4 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
2000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,094
RNL1C242MDSASQRNL1C242MDSASQNichiconCAP ALUM POLY 2400UF ±20% 16V RADAluminum - Polymer CapacitorsN/A16 V-55°C - 105°C
Applications:
General Purpose
Capacitance:
2.4 mF
ESR:
8 mOhm @ 100 kHz
Height Seated (Max):
2.15 cm
Impedance:
N/A
Lead Spacing:
5 mm
Lifetime @ Temp:
5000 h @ 105°C
Polarization:
Polar
Ratings:
N/A
Ripple Current High Frequency:
8.1 A @ 300 kHz
Ripple Current Low Frequency:
810 mA @ 120 Hz
Size / Dimension:
20 x 10 mm
Surface Mount Land Size:
N/A
Tolerance:
-20%~20%
1,151

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About Aluminum Polymer Capacitors

Aluminum polymer capacitors replace the liquid electrolyte of a standard aluminum electrolytic capacitor with a solid conductive polymer. The result is much lower ESR, higher ripple current handling and capacitance that stays stable across temperature and frequency, in a compact package. Because the polymer does not dry out, they also offer long service life and no risk of electrolyte leakage.

Hybrid polymer capacitors combine a conductive polymer with a small amount of liquid electrolyte, adding lower leakage current and higher voltage ratings to the polymer’s low ESR. Both types are a common upgrade from standard electrolytics in switching power supplies and processor power rails. Suntsu sources these capacitors alongside our timing devices and integrated circuits for computing, telecom, automotive and industrial applications.

Common Applications of Aluminum Polymer Capacitors

  • Processor power rails: decoupling and bulk capacitance for CPU, GPU and FPGA voltage regulators
  • DC-DC converters: output filtering where low ESR keeps ripple voltage down
  • Servers and networking: long-life capacitors for data center, telecom and networking equipment that runs around the clock
  • Automotive electronics: hybrid polymer capacitors for engine control units, ADAS and infotainment
  • Consumer and industrial devices: compact, low-profile capacitors for laptops, displays, LED drivers and industrial controls

How to Choose the Right Aluminum Polymer Capacitor

Selecting the right aluminum polymer 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. Polymer capacitors are sensitive to voltage surges, so follow the datasheet’s derating guidance.

ESR and Ripple Current: Lower ESR means less ripple voltage and less heat. Make sure the rated ripple current covers the AC current the capacitor will carry.

Temperature and Lifetime: Polymer capacitor lifetime increases about tenfold for every 20°C below the rated temperature, so pick a temperature rating and hour rating that suit your operating conditions.

Mounting Type and Size: Choose SMD for compact, automated assembly or radial lead for through-hole designs. Confirm the diameter and height fit your layout, especially in low-profile designs.

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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