DSF 3V Supercapacitors

Cornell Dubilier / Knowles (CDE) DSF 3V Supercapacitors are high-voltage capacitors with fast charge and discharge, high power density, and low equivalent series resistance (ESR). The series operates over a -40°C to 85°C temperature range and has a lifetime of 1000 hours with rated voltage applied at +65°C. CDE DSF 3V Supercapacitors offer a 1.2F to 600F capacitance range and are ideal for use in battery backup and alternative applications, as well as pulse power, energy harvesting, LED displays, mechanical actuators, and audio systems.

Results: 34
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 11F, 3V, 10 x 30mm 1,313In Stock
$3.19
$2.23
$1.84
$1.52
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
11 F 3 VDC Radial 5 mm (0.197 in) 10 mm (0.394 in) 30 mm 1500 Hour, 500000 Cycle 100 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3VDC 35F 16x31.5mm 297In Stock
$5.29
$3.83
$3.25
$3.06
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
35 F 3 VDC Radial 7.5 mm (0.295 in) 16 mm (0.63 in) 31.5 mm 1000 Hour 50 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.5F, 3V, 6.3 x 18mm 1,487In Stock
$1.84
$1.23
$0.986
$0.888
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
1.5 F 3 VDC Radial 2.5 mm (0.098 in) 6.3 mm (0.248 in) 18 mm 1500 Hour, 500000 Cycle 640 mOhms 20 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3VDC 2F 8x14mm 13,490In Stock
29,000Expected 10/19/2026
$1.58
$1.05
$0.833
$0.768
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
2 F 3 VDC Radial 3.5 mm (0.138 in) 8 mm (0.315 in) 14 mm 1000 Hour 320 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1F, 9V, 25x22x8.5mm 120In Stock
$5.18
$3.76
$3.20
$2.97
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
1 F 9 VDC Through Hole 1000 Hour - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.66F, 9V, 31x23x11mm 139In Stock
$7.81
$5.82
$5.03
$4.72
A tariff of 23% may be applied if shipping to the United States.
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 257In Stock
$5.45
$3.96
$3.36
$3.14
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
330 mF 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 214In Stock
$10.89
$8.30
$7.27
$6.87
A tariff of 23% may be applied if shipping to the United States.
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 400F 3.0V 35*60 104In Stock
$22.91
$17.85
$17.79
$16.78
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
400 F 3 VDC Snap In 35 mm (1.378 in) 1500 Hour, 500000 Cycle 3 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 60 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3VDC 10F 10x25mm 43In Stock
8,800Expected 11/25/2026
$2.25
$1.53
$1.24
$1.08
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
10 F 3 VDC Radial 5 mm (0.197 in) 10 mm (0.394 in) 25 mm 1000 Hour 180 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 1.2F, 3V, 6.3 x 15mm 700In Stock
6,000Expected 10/13/2026
$1.76
$1.18
$0.943
$0.825
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
1.2 F 3 VDC Radial 2.5 mm (0.098 in) 6.3 mm (0.248 in) 15 mm 1500 Hour, 500000 Cycle 700 mOhms 20 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3VDC 15F 12.5x30mm 90In Stock
100Expected 2/16/2027
$3.59
$2.53
$2.11
$1.97
A tariff of 23% may be applied if shipping to the United States.
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 2.5F 6.0V 11*21*23 133In Stock
1,800On Order
$4.90
$3.48
$2.97
$2.66
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
2.5 F 6 VDC Radial 21 mm 11 mm 1500 Hour, 500000 Cycle 160 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 25F 3.0V 16*25 86In Stock
$5.24
$3.35
$3.02
$2.70
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
25 F 3 VDC Radial 16 mm (0.63 in) 27 mm 1500 Hour, 500000 Cycle 25 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3F 3.0V 8*20 998In Stock
$1.92
$1.29
$1.04
$0.943
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
3 F 3 VDC Radial 8 mm (0.315 in) 1500 Hour, 500000 Cycle 80 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 21.5 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 3.5F 6.0V 11*21*27 423In Stock
300Expected 10/19/2026
$5.76
$3.73
$3.28
$3.10
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
3.5 F 6 VDC Radial 21 mm 11 mm 1500 Hour, 500000 Cycle 130 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 28 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 350F 3.0V 35*60 41In Stock
$20.38
$18.04
$17.78
$17.70
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
350 F 3 VDC Snap In 35 mm (1.378 in) 1500 Hour, 500000 Cycle 3 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 60 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 5F 6.0V 11*21*32 23In Stock
450Expected 10/26/2026
$7.22
$4.58
$4.57
$4.22
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
5 F 6 VDC Radial 21 mm 11 mm 1500 Hour, 500000 Cycle 100 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 33 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 50F 3.0V 18*40 24In Stock
$7.05
$4.65
$4.42
$4.01
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
50 F 3 VDC Radial 18 mm (0.709 in) 1500 Hour, 500000 Cycle 15 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 42 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.67F, 9V, 25x16x8.5mm 18In Stock
240Expected 12/1/2026
$6.34
$4.45
$3.51
$3.18
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
670 mF 9 VDC Radial 25 mm 8.5 mm 1000 Hour 980 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 16 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 7F 3.0V 10*25 400In Stock
$2.39
$1.63
$1.32
$1.15
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
7 F 3 VDC Radial 10 mm (0.394 in) 1500 Hour, 500000 Cycle 55 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 27 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 0.50F, 9V, 21x20x6.5mm 441In Stock
$5.57
$3.97
$3.40
$3.07
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
500 mF 9 VDC 21 mm 20 mm EDLC / Supercaps 6.5 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 10F 3.0V 10*30
4,000On Order
$2.02
$1.54
$1.25
$1.09
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
10 F 3 VDC Radial 10 mm (0.394 in) 1500 Hour, 500000 Cycle 40 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 32 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 110F 3.0V 10*60
394Expected 10/19/2026
$10.91
$8.43
$7.54
$7.21
A tariff of 23% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
110 F 3 VDC Radial 18 mm (0.709 in) 1500 Hour, 500000 Cycle 10 mOhms - 10 %, + 30 % Vertical EDLC / Supercaps - 40 C + 85 C 62 mm DSF Bulk
Knowles / Illinois Capacitor Supercapacitors / Ultracapacitors 5F, 9V, 39x33x13mm
360On Order
$11.64
$8.91
$7.82
$7.41
A tariff of 23% may be applied if shipping to the United States.
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