Polymer Capacitors Cloud & AI Applications

KEMET Organic Capacitors (KO-CAP®) provide an ideal solution for applications requiring power-loss (hold up) protection or maximum power efficiency of a circuit with limited board space. Polymer technology offers high energy density and extended life capabilities, making it a key solution for designers working in cloud infrastructure applications like solid-state drives, 5G, and servers. In addition, with the AI computing edge trend pushing for high power, KEMET KO-CAPs are vital on 12V input and low voltage 1V CPU and I/O 3.3V and 5V power rails. These capacitors offer both long life and high ripple capability.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Capacitance
Voltage Rating DC
Termination Style
Tolerance
Case Code - in
ESR
Leakage Current
Height
Minimum Operating Temperature
Maximum Operating Temperature
Case Code - mm
Mfr Case Code
Series
Qualification
Packaging
KEMET Tantalum Capacitors - Polymer 4V 470uF 2917 20% ESR=25mOhms
Datasheet
Product Comments
1.000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

470 uF 4 VDC SMD/SMT 20 % 2917 25 mOhms 188 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 6.3V 470uF 2917 20% ESR=25mOhms
Datasheet
Product Comments
54In Stock
2.000Expected 4/30/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

470 uF 6.3 VDC SMD/SMT 20 % 2917 25 mOhms 296.1 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 680uF 2917 20% ESR=15mOhms
Datasheet
Product Comments
1.411In Stock
14.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

680 uF 2.5 VDC SMD/SMT 20 % 2917 15 mOhms 170 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 680uF 2917 20% ESR=40mOhms
Datasheet
Product Comments
534In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

680 uF 2.5 VDC SMD/SMT 20 % 2917 40 mOhms 170 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=12mOhms
Datasheet
Product Comments
496In Stock
500Expected 7/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

680 uF 4 VDC SMD/SMT 20 % 2917 12 mOhms 272 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=25mOhms
Datasheet
Product Comments
2In Stock
1.000Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

680 uF 4 VDC SMD/SMT 20 % 2917 25 mOhms 272 uA 2.8 mm - 55 C + 105 C 7343 D Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 6.3V 150uF 2312 20% ESR=25mOhms
Datasheet
Product Comments
1.000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

150 uF 6.3 VDC SMD/SMT 20 % 2312 25 mOhms 94.5 uA 1.8 mm - 55 C + 105 C 6032 L Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 330uF 2312 20% ESR=12mOhms
Datasheet
Product Comments
579In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 2.5 VDC SMD/SMT 20 % 2312 12 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 6032 L Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 100uF 1311 20% ESR=40mOhms
Datasheet
Product Comments
1.510In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

100 uF 2.5 VDC SMD/SMT 20 % 1311 40 mOhms 25 uA 1.1 mm - 55 C + 105 C 3528 T Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer Polymer Tantalum, Commercial Grade, 220 uF, 20%, 4VDC
Datasheet
2.170In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

220 uF 4 VDC SMD/SMT 20 % 1411 30 mOhms 88 uA - 55 C + 105 C 3528 T Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 6.3V 100uF 2312 20% ESR=55mOhms
Datasheet
Product Comments
427In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

100 uF 6.3 VDC SMD/SMT 20 % 2312 55 mOhms 63 uA 1.4 mm - 55 C + 105 C 6032 U Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 10V 47uF 2312 20% ESR=55mOhms
Datasheet
Product Comments
202In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 10 VDC SMD/SMT 20 % 2312 55 mOhms 47 uA 1.4 mm - 55 C + 105 C 6032 U Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 10V 68uF 2312 20% ESR=25mOhms
Datasheet
Product Comments
76In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

68 uF 10 VDC SMD/SMT 20 % 2312 55 mOhms 68 uA 1.4 mm - 55 C + 105 C 6032 U Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=45mOhms
Datasheet
Product Comments
1.000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

220 uF 4 VDC SMD/SMT 20 % 2917 45 mOhms 88 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 220uF 2917 20% ESR=7mOhms
Datasheet
Product Comments
496In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

220 uF 2.5 VDC SMD/SMT 20 % 2917 7 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=7mOhms
Datasheet
Product Comments
711In Stock
1.000Expected 5/28/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

220 uF 4 VDC SMD/SMT 20 % 2917 7 mOhms 88 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=7mOhms
Datasheet
Product Comments
115In Stock
1.000Expected 6/2/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 2.5 VDC SMD/SMT 20 % 2917 7 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=9mOhms
Datasheet
Product Comments
1.583In Stock
5.000Expected 6/16/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 2.5 VDC SMD/SMT 20 % 2917 9 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms
Datasheet
Product Comments
77In Stock
1.000Expected 7/30/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 2.5 VDC SMD/SMT 20 % 2917 15 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=25mOhms
Datasheet
Product Comments
7.424In Stock
60.000Expected 4/27/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 2.5 VDC SMD/SMT 20 % 2917 25 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=18mOhms
Datasheet
Product Comments
135In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 4 VDC SMD/SMT 20 % 2917 18 mOhms 132 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=7mOhms
Datasheet
Product Comments
506In Stock
2.000Expected 6/2/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 4 VDC SMD/SMT 20 % 2917 7 mOhms 132 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=9mOhms
Datasheet
Product Comments
421In Stock
1.000Expected 5/28/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

330 uF 4 VDC SMD/SMT 20 % 2917 9 mOhms 132 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=9mOhms
Datasheet
383In Stock
3.000Expected 6/22/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

470 uF 2.5 VDC SMD/SMT 20 % 2917 9 mOhms 117.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=9mOhms
Datasheet
Product Comments
15In Stock
1.885Expected 4/13/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

470 uF 2.5 VDC SMD/SMT 20 % 2917 9 mOhms 117.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T520 Reel, Cut Tape, MouseReel