T521 High Voltage Polymer Tantalum Capacitors

KEMET T521 KO-CAP® High Voltage Organic Polymer Tantalum Capacitors feature voltage ratings up to 75V and capacitance values up to 470µF, high ripple current capability, safe failure mode, and low ESR. These T521 capacitors are volumetrically efficient and have stable temperature characteristics. They are lead-free when ordered with 100% Sn termination finish, RoHS compliant, and halogen-free. These components are designed for DC-DC converters, power supply inputs, and higher application voltages such as 12V, 24V, 28V, and 48V input rails. The T521 KO-CAP Series features a Ta anode and Ta₂O₅ dielectric as well as a conductive organic polymer that replaces the traditionally used MnO₂ as the cathode plate of the capacitor. This results in very low ESR and improved capacitance retention at high frequency.

Results: 275
Select Image Part # Mfr. 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 Packaging
KEMET Tantalum Capacitors - Polymer 25V 68uF 20% ESR=70mOhms 53In Stock
1.000On Order
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 25V 10uF 1311 20% ESR=60mOhms 1.289In Stock
12.000On Order
Min.: 1
Mult.: 1
Reel: 3.000

10 uF 25 VDC SMD/SMT 20 % 1411 60 mOhms 25 uA 1.1 mm - 55 C + 125 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 10uF 2917 20% ESR=120mOhms 1.136In Stock
Min.: 1
Mult.: 1
Reel: 1.000

10 uF 35 VDC SMD/SMT 20 % 2917 120 mOhms 35 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=40mOhms 7In Stock
4.000Expected 5/5/2026
Min.: 1
Mult.: 1
Reel: 1.000

100 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 160 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 2917 20% ESR=100mOhms 5In Stock
2.000Expected 4/16/2026
Min.: 1
Mult.: 1
Reel: 1.000

15 uF 35 VDC SMD/SMT 20 % 2917 100 mOhms 52.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=40mOhms 343In Stock
7.693On Order
Min.: 1
Mult.: 1
Reel: 1.000

22 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=40mOhms 832In Stock
1.000Expected 4/27/2026
Min.: 1
Mult.: 1
Reel: 1.000

33 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=60mohms 1.270In Stock
Min.: 1
Mult.: 1
Reel: 1.000

33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=55mOhms 22In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 16 VDC SMD/SMT 20 % 2917 55 mOhms 75.2 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms 55In Stock
6.000On Order
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=90mOhms 74In Stock
1.000Expected 4/21/2026
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 20 VDC SMD/SMT 20 % 2917 90 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 68uF 2917 20% ESR=40mOhms 491In Stock
1.000Expected 7/28/2026
Min.: 1
Mult.: 1
Reel: 1.000

68 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 108.8 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=40mOhms 20In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 20 VDC SMD/SMT 20 % 2917 40 mOhms 94 uA 1.4 mm - 55 C + 105 C 7343 W Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 10uF 2917 20% ESR=50mOhms 43In Stock
2.500On Order
Min.: 1
Mult.: 1
Reel: 500

10 uF 63 VDC SMD/SMT 20 % 2917 50 mOhms 63 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 10uF 2917 20% ESR=50mOhms 2.281In Stock
4.500Expected 10/20/2026
Min.: 1
Mult.: 1
Reel: 500

10 uF 75 VDC SMD/SMT 20 % 2917 50 mOhms 75 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 15uF 2917 20% ESR=35mOhms 23In Stock
17.500Expected 6/2/2026
Min.: 1
Mult.: 1
Reel: 500

15 uF 75 VDC SMD/SMT 20 % 2917 35 mOhms 112.5 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 300In Stock
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 6In Stock
1.000Expected 9/29/2026
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 39In Stock
2.000On Order
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 33In Stock
23.500On Order
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 16V 220uF 20% ESR=50mOhms 250In Stock
2.000Expected 7/2/2026
Min.: 1
Mult.: 1
Reel: 2.000

220 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 352 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 220uF 2917 20% ESR=35mOhms 41In Stock
10.500On Order
Min.: 1
Mult.: 1
Reel: 500

220 uF 16 VDC SMD/SMT 20 % 2917 35 mOhms 352 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 220uF 2917 20% ESR=50mOhms 383In Stock
500Expected 7/30/2026
Min.: 1
Mult.: 1
Reel: 500

220 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 352 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 33uF 20% ESR=50mOhms 52In Stock
9.000On Order
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 52In Stock
41.248On Order
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