Supercapacitors

Cornell Dubilier (CDE) Supercapacitors are also known as ultracapacitors, double-layer capacitors, or electro-chemical double layer capacitors (EDLC). These supercapacitors offer a comprehensive range of capacitance values and voltages. The utilized CDE technology is used in various applications, from battery backup in smart meters to regenerative braking. Ranging from board-mountable coin types to radial form factors, these supercapacitors provide high-voltage modules with active or passive balancing. CDE Supercapacitors are ideal for wind turbines, mass transit, hybrid cars, consumer electronics, and industrial equipment applications.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Capacitance
Voltage Rating DC
Termination Style
Lead Spacing
Diameter
Length
Width
Life
ESR
Tolerance
Orientation
Product
Minimum Operating Temperature
Maximum Operating Temperature
Height
Series
Packaging
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 400F 2.7V +30% / -10% tol
Datasheet
44In Stock
Min.: 1
Mult.: 1

400 F 2.7 VDC Snap In 35 mm (1.378 in) 1000 Hour, 500000 Cycle 10 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 60 C 62 mm DCN Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 5F, 9V, 39x33x13mm
Datasheet
321In Stock
Min.: 1
Mult.: 1

5 F 9 VDC Radial 21 mm (0.827 in) 39 mm 13 mm 1000 Hour 230 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 33 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 30VDC 11F Tol -10%/+30% 94x67x38mm
Datasheet
10In Stock
Min.: 1
Mult.: 1

11 F 30 VDC Wire 94 mm 38 mm 1000 Hour 360 mOhms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 67 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 18VDC 2.5F Tol -10%/+30% 79x30x14mm
Datasheet
81In Stock
50Expected 30/09/2026
Min.: 1
Mult.: 1

2.5 F 18 VDC Wire 79 mm 14 mm 1000 Hour 334 mOhms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 30 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.5F 3.6V 85C
Datasheet
600In Stock
Min.: 1
Mult.: 1

1.5 F 3.6 VDC Axial 19 mm (0.748 in) 5 mm 1000 Hour 30 Ohms - 20 %, + 80 % Vertical EDLC / Supercaps - 25 C + 85 C EDS Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.5F, 60V, 73.5x27x31.5mm STD MOD
Datasheet
83In Stock
Min.: 1
Mult.: 1

500000 uF 60 VDC Wire 73.5 mm 31.5 mm 1000 Hour 2000 mOhms - 10 %, + 30 % Vertical Supercapacitors / Ultracapacitors - 40 C + 65 C 27 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.33F, 8.1V, 25x16x8.5mm
Datasheet
415In Stock
Min.: 1
Mult.: 1

330000 uF 8.1 VDC Radial 13.5 mm (0.531 in) 25 mm 8.5 mm 1500 Hour 1220 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 16 mm DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3.33F, 8.1V, 31x27x11mm
Datasheet
150In Stock
Min.: 1
Mult.: 1

3.33 F 8.1 VDC Through Hole 21 mm (0.827 in) 31 mm 11 mm 1500 hour 290 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 27 mm DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.67F, 8.1V, 25x16x8.5mm
Datasheet
415In Stock
Min.: 1
Mult.: 1

670000 uF 8.1 VDC Through Hole 13.5 mm (0.531 in) 25 mm 8.5 mm 1500 hour 740 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 16 mm DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3VDC 15F 12.5x30mm
Datasheet
590In Stock
Min.: 1
Mult.: 1

15 F 3 VDC Radial 5 mm (0.197 in) 12.5 mm (0.492 in) 30 mm 1000 Hour 80 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.66F, 9V, 31x23x11mm
Datasheet
164In Stock
Min.: 1
Mult.: 1

1.66 F 9 VDC Radial 16 mm (0.63 in) 31 mm 11 mm 1000 Hour - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 23 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.33F, 9V, 25x16x8.5mm
Datasheet
389In Stock
Min.: 1
Mult.: 1

330000 uF 9 VDC Radial 13.5 mm (0.531 in) 25 mm 8.5 mm 1000 Hour - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 16 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3.33F, 9V, 31x27x11mm
Datasheet
218In Stock
Min.: 1
Mult.: 1

3.33 F 9 VDC Through Hole 1000 Hour - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 30VDC 1F Tol -10%/+30% 54x30x22mm
Datasheet
29In Stock
Min.: 1
Mult.: 1

1 F 30 VDC Wire 54 mm 22 mm 1000 Hour 1.818 Ohms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 30 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 18VDC 1.6F Tol -10%/+30% 64x30x11mm
Datasheet
29In Stock
Min.: 1
Mult.: 1

1.6 F 18 VDC Wire 64 mm 11 mm 1000 Hour 1.091 Ohms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 30 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 18VDC 0.25F Tol -10%/+30% 42x24.5x7.5mm
Datasheet
18In Stock
75Expected 30/09/2026
Min.: 1
Mult.: 1

250000 uF 18 VDC Wire 42 mm 7.5 mm 1000 Hour 3.879 Ohms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 24.5 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 30VDC 0.3F Tol -10%/+30% 44x27x18mm
Datasheet
44In Stock
Min.: 1
Mult.: 1

300000 uF 30 VDC Wire 44 mm 18 mm 1000 Hour 1.515 Ohms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 27 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 9VDC 36.6F Tol -10%/+30% 57x67x19.5mm
Datasheet
9In Stock
Min.: 1
Mult.: 1

36.6 F 9 VDC Wire 57 mm 19.5 mm 1000 Hour 110 mOhms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 67 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 30VDC 7F Tol -10%/+30% 94x57x38mm
Datasheet
5In Stock
Min.: 1
Mult.: 1

7 F 30 VDC Wire 94 mm 38 mm 1000 Hour 404 mOhms - 10 %, + 30 % EDLC / Supercaps - 40 C + 65 C 57 mm DSM Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.5F 5.5V +20% / -20% tol
Datasheet
2.285In Stock
Min.: 1
Mult.: 1

1.5 F 5.5 VDC 1000 Hour, 500000 Cycle 500 mOhms EDLC / Supercaps - 40 C + 60 C DCN Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.3F 2.7V +50% / -20% tol
Datasheet
14.708In Stock
5.000Expected 21/09/2026
Min.: 1
Mult.: 1

300000 uF 2.7 VDC Radial 4 mm (0.157 in) 1000 Hour, 500000 Cycle 1 Ohms - 20 %, + 50 % Vertical EDLC / Supercaps - 40 C + 60 C 12.5 mm DCN Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 25F 2.7V 30%/-10% Radial
Datasheet
750In Stock
Min.: 1
Mult.: 1

25 F 2.7 VDC Radial 7.5 mm (0.295 in) 16 mm (0.63 in) 25 mm 1500 Hour, 500000 Cycle 35 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 65 C DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.5F 5.5V 30%/-10% Dual Cell
Datasheet
2.839In Stock
Min.: 1
Mult.: 1

500000 uF 5.5 VDC Radial 12 mm (0.472 in) 17 mm 8.5 mm 1500 Hour, 500000 Cycle 800 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 65 C 15 mm DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 5F 2.7V 30%/-10% Radial
Datasheet
4.320In Stock
Min.: 1
Mult.: 1

5 F 2.7 VDC Radial 5 mm (0.197 in) 10 mm (0.394 in) 20 mm 1500 Hour, 500000 Cycle 130 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 65 C DGH Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 5F 5.5V 30%/-10% Dual Cell
Datasheet
1.580In Stock
Min.: 1
Mult.: 1

5 F 5.5 VDC Radial 18 mm (0.709 in) 26 mm 13 mm 1500 Hour, 500000 Cycle 120 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 65 C 27 mm DGH Bulk