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 (IDR) 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 63V 4.7uF 20% ESR=200mOhms
Datasheet
212In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

4.7 uF 63 VDC SMD/SMT 20 % 2312 200 mOhms 29.6 uA 2.8 mm - 55 C + 105 C 6032 C Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms
Datasheet
Product Comments
140In Stock
18.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=50mOhms
Datasheet
Product Comments
99In Stock
7.800On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

100 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 160 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 7343 ESR=50mOhms 20%
Datasheet
96In Stock
6.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 50 mOhms 250 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mOhms
Datasheet
741In Stock
2.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 150uF 20% ESR=40mOhms
Datasheet
367In Stock
500Expected 16/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

150 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 240 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 150uF 2917 20% ESR=50mOhms
Datasheet
60In Stock
1.000Expected 22/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

150 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 240 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=50mOhms
Datasheet
5In Stock
6.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

150 uF 20 VDC SMD/SMT 20 % 2917 50 mOhms 300 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms
Datasheet
7In Stock
2.500Expected 30/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

150 uF 20 VDC SMD/SMT 20 % 2917 65 mOhms 300 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=40mOhms
Datasheet
11In Stock
5.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

150 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 375 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=50mOhms
Datasheet
36In Stock
500Expected 05/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

220 uF 16 VDC SMD/SMT 20 % 2815 50 mOhms 352 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=40mOhms
Datasheet
498In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

33 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 82.5 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 4.7uF 2917 20% ESR=75mOhms
Datasheet
Product Comments
1.239In Stock
1.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

4.7 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 29.6 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=40mOhms
Datasheet
5In Stock
1.000Expected 07/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

47 uF 20 VDC SMD/SMT 20 % 2917 40 mOhms 94 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 5.6uF 2917 20% ESR=70mOhms
Datasheet
Product Comments
77In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

5.6 uF 50 VDC SMD/SMT 20 % 2917 70 mOhms 28 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 6.8uF 2917 20% ESR=70mOhms
Datasheet
Product Comments
10In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

6.8 uF 50 VDC SMD/SMT 20 % 2917 70 mOhms 34 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 68uF 20% ESR=70mOhms
Datasheet
553In Stock
500Expected 30/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

68 uF 25 VDC SMD/SMT 20 % 2917 70 mOhms 170 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=35mOhms
Datasheet
Product Comments
40In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

15 uF 63 VDC SMD/SMT 20 % 2917 35 mOhms 94.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=35mOhms
Datasheet
Product Comments
250In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

18 uF 50 VDC SMD/SMT 20 % 2917 35 mOhms 90 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=70mOhms
Datasheet
Product Comments
6In Stock
1.000Expected 29/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

18 uF 50 VDC SMD/SMT 20 % 2917 70 mOhms 90 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 22uF 20% ESR=50mOhms
Datasheet
20In Stock
2.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

22 uF 50 VDC SMD/SMT 20 % 2917 50 mOhms 110 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 22uF 2917 20% ESR=75mOhms
Datasheet
69In Stock
41.950On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

22 uF 50 VDC SMD/SMT 20 % 2917 75 mOhms 110 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 33uF 20% ESR=50mOhms
Datasheet
52In Stock
9.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

33 uF 50 VDC SMD/SMT 20 % 2917 50 mOhms 165 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 33uF 2917 20% ESR=75mOhms
Datasheet
40In Stock
52.278On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

33 uF 50 VDC SMD/SMT 20 % 2917 75 mOhms 165 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16Vol 330uF 2912 20% ESR=25mOhms
Datasheet
3In Stock
1.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

330 uF 16 VDC SMD/SMT 20 % 2917 25 mOhms 528 uA - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel