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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PCW0E821MCO1GSPCW0E821MCO1GSNichiconCAP ALUM POLY 820UF ±20% 2.5V SMDAluminum - Polymer CapacitorsN/A2.5 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
820 µF
ESR:
14 mOhm @ 100 kHz
Height Seated (Max):
7.5 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
2.1 A @ 100 kHz
Ripple Current Low Frequency:
1.05 A @ 120 Hz
Size / Dimension:
7 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
587
PCW0G122MCO1GSPCW0G122MCO1GSNichiconCAP ALUM POLY 1200UF ±20% 4V SMDAluminum - Polymer CapacitorsN/A4 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
1.2 mF
ESR:
14 mOhm @ 100 kHz
Height Seated (Max):
1.05 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
2.3 A @ 100 kHz
Ripple Current Low Frequency:
1.15 A @ 120 Hz
Size / Dimension:
10 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
951
PCW0G181MCO1GSPCW0G181MCO1GSNichiconCAP ALUM POLY 180UF ±20% 4V SMDAluminum - Polymer CapacitorsN/A4 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
180 µF
ESR:
17 mOhm @ 100 kHz
Height Seated (Max):
6.3 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
1.72 A @ 100 kHz
Ripple Current Low Frequency:
860 mA @ 120 Hz
Size / Dimension:
6 x 5 mm
Surface Mount Land Size:
5.3 x 5.3 mm
Tolerance:
-20%~20%
1,074
PCW0G331MCO1GSPCW0G331MCO1GSNichiconCAP ALUM POLY 330UF ±20% 4V SMDAluminum - Polymer CapacitorsN/A4 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
330 µF
ESR:
16 mOhm @ 100 kHz
Height Seated (Max):
6.3 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
1.8 A @ 100 kHz
Ripple Current Low Frequency:
900 mA @ 120 Hz
Size / Dimension:
6 x 6.3 mm
Surface Mount Land Size:
6.6 x 6.6 mm
Tolerance:
-20%~20%
1,044
PCW0G561MCO1GSPCW0G561MCO1GSNichiconCAP ALUM POLY 560UF ±20% 4V SMDAluminum - Polymer CapacitorsN/A4 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
560 µF
ESR:
15 mOhm @ 100 kHz
Height Seated (Max):
7.5 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
2.15 A @ 100 kHz
Ripple Current Low Frequency:
1.075 A @ 120 Hz
Size / Dimension:
7 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,895
PCW0J102MCO1GSPCW0J102MCO1GSNichiconCAP ALUM POLY 1000UF ±20% 6.3V SMDAluminum - Polymer CapacitorsN/A6.3 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
1 mF
ESR:
14 mOhm @ 100 kHz
Height Seated (Max):
1.05 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
2.5 A @ 100 kHz
Ripple Current Low Frequency:
1.25 A @ 120 Hz
Size / Dimension:
10 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,898
PCW0J151MCO1GSPCW0J151MCO1GSNichiconCAP ALUM POLY 150UF ±20% 6.3V SMDAluminum - Polymer CapacitorsN/A6.3 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
150 µF
ESR:
18 mOhm @ 100 kHz
Height Seated (Max):
6.3 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
1.58 A @ 100 kHz
Ripple Current Low Frequency:
790 mA @ 120 Hz
Size / Dimension:
6 x 5 mm
Surface Mount Land Size:
5.3 x 5.3 mm
Tolerance:
-20%~20%
535
PCW0J221MCO1GSPCW0J221MCO1GSNichiconCAP ALUM POLY 220UF ±20% 6.3V SMDAluminum - Polymer CapacitorsN/A6.3 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
220 µF
ESR:
16 mOhm @ 100 kHz
Height Seated (Max):
6.3 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
1.8 A @ 100 kHz
Ripple Current Low Frequency:
900 mA @ 120 Hz
Size / Dimension:
6 x 6.3 mm
Surface Mount Land Size:
6.6 x 6.6 mm
Tolerance:
-20%~20%
1,563
PCW0J471MCO1GSPCW0J471MCO1GSNichiconCAP ALUM POLY 470UF ±20% 6.3V SMDAluminum - Polymer CapacitorsN/A6.3 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
470 µF
ESR:
15 mOhm @ 100 kHz
Height Seated (Max):
7.5 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
2000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
2.2 A @ 100 kHz
Ripple Current Low Frequency:
1.1 A @ 120 Hz
Size / Dimension:
7 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,433
PCX1C101MCL1GSPCX1C101MCL1GSNichiconCAP ALUM POLY 100UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
100 µF
ESR:
33 mOhm @ 100 kHz
Height Seated (Max):
8.1 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1500 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
460 mA @ 100 kHz
Ripple Current Low Frequency:
230 mA @ 120 Hz
Size / Dimension:
8 x 6.3 mm
Surface Mount Land Size:
6.6 x 6.6 mm
Tolerance:
-20%~20%
881
PCX1C151MCL1GSPCX1C151MCL1GSNichiconCAP ALUM POLY 150UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
150 µF
ESR:
33 mOhm @ 100 kHz
Height Seated (Max):
8.1 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
830 mA @ 100 kHz
Ripple Current Low Frequency:
415 mA @ 120 Hz
Size / Dimension:
8 x 10 mm
Surface Mount Land Size:
10.3 x 10.3 mm
Tolerance:
-20%~20%
1,052
PCX1C151MCL6GSPCX1C151MCL6GSNichiconCAP ALUM POLY 150UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
150 µF
ESR:
28 mOhm @ 100 kHz
Height Seated (Max):
1.01 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
780 mA @ 100 kHz
Ripple Current Low Frequency:
390 mA @ 120 Hz
Size / Dimension:
10 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,474
PCX1C221MCL1GSPCX1C221MCL1GSNichiconCAP ALUM POLY 220UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
220 µF
ESR:
27 mOhm @ 100 kHz
Height Seated (Max):
1.21 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
870 mA @ 100 kHz
Ripple Current Low Frequency:
435 mA @ 120 Hz
Size / Dimension:
12 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
774
PCX1C271MCL1GSPCX1C271MCL1GSNichiconCAP ALUM POLY 270UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
270 µF
ESR:
27 mOhm @ 100 kHz
Height Seated (Max):
1.01 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
830 mA @ 100 kHz
Ripple Current Low Frequency:
415 mA @ 120 Hz
Size / Dimension:
10 x 10 mm
Surface Mount Land Size:
10.3 x 10.3 mm
Tolerance:
-20%~20%
1,941
PCX1C391MCL1GSPCX1C391MCL1GSNichiconCAP ALUM POLY 390UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
390 µF
ESR:
26 mOhm @ 100 kHz
Height Seated (Max):
1.28 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
1.04 A @ 100 kHz
Ripple Current Low Frequency:
520 mA @ 120 Hz
Size / Dimension:
12.7 x 10 mm
Surface Mount Land Size:
10.3 x 10.3 mm
Tolerance:
-20%~20%
583
PCX1C470MCL1GSPCX1C470MCL1GSNichiconCAP ALUM POLY 47UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
47 µF
ESR:
55 mOhm @ 100 kHz
Height Seated (Max):
6.1 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
1500 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
390 mA @ 100 kHz
Ripple Current Low Frequency:
195 mA @ 120 Hz
Size / Dimension:
6 x 6.3 mm
Surface Mount Land Size:
6.6 x 6.6 mm
Tolerance:
-20%~20%
1,598
PCX1C820MCL1GSPCX1C820MCL1GSNichiconCAP ALUM POLY 82UF ±20% 16V SMDAluminum - Polymer CapacitorsN/A16 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
82 µF
ESR:
45 mOhm @ 100 kHz
Height Seated (Max):
7.1 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
530 mA @ 100 kHz
Ripple Current Low Frequency:
265 mA @ 120 Hz
Size / Dimension:
7 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,341
PCX1D121MCL1GSPCX1D121MCL1GSNichiconCAP ALUM POLY 120UF ±20% 20V SMDAluminum - Polymer CapacitorsN/A20 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
120 µF
ESR:
35 mOhm @ 100 kHz
Height Seated (Max):
8.1 mm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
810 mA @ 100 kHz
Ripple Current Low Frequency:
405 mA @ 120 Hz
Size / Dimension:
8 x 10 mm
Surface Mount Land Size:
10.3 x 10.3 mm
Tolerance:
-20%~20%
1,318
PCX1D121MCL6GSPCX1D121MCL6GSNichiconCAP ALUM POLY 120UF ±20% 20V SMDAluminum - Polymer CapacitorsN/A20 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
120 µF
ESR:
29 mOhm @ 100 kHz
Height Seated (Max):
1.01 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
770 mA @ 100 kHz
Ripple Current Low Frequency:
385 mA @ 120 Hz
Size / Dimension:
10 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
529
PCX1D151MCL1GSPCX1D151MCL1GSNichiconCAP ALUM POLY 150UF ±20% 20V SMDAluminum - Polymer CapacitorsN/A20 V-55°C - 125°C
Applications:
Automotive, High Temperature Reflow
Capacitance:
150 µF
ESR:
28 mOhm @ 100 kHz
Height Seated (Max):
1.21 cm
Impedance:
N/A
Lead Spacing:
N/A
Lifetime @ Temp:
3000 h @ 125°C
Polarization:
Polar
Ratings:
AEC-Q200
Ripple Current High Frequency:
860 mA @ 100 kHz
Ripple Current Low Frequency:
430 mA @ 120 Hz
Size / Dimension:
12 x 8 mm
Surface Mount Land Size:
8.3 x 8.3 mm
Tolerance:
-20%~20%
1,615

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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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