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: 273
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 35V 10uF ESR=100mOhms 3528-21 20% 3 885In Stock
Min.: 1
Mult.: 1
: 2 000

10 uF 35 VDC SMD/SMT 20 % 1311 100 mOhms 35 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 33uF ESR=70mOhms High Volt 3 895In Stock
Min.: 1
Mult.: 1
: 2 000

33 uF 20 VDC SMD/SMT 20 % 1411 70 mOhms 1.9 mm - 55 C 3528 B Code T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 1311 20% ESR=100mOhms 40 392In Stock
60 000On Order
Min.: 1
Mult.: 1
: 2 000

22 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 55 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 33uF 2917 20% ESR=65mohms 24 718In Stock
Min.: 1
Mult.: 1
: 500

33 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 115.5 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 6.8uF 2917 20% ESR=75mOhms 5 191In Stock
Min.: 1
Mult.: 1
: 500

6.8 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 42.8 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mohms 10 766In Stock
12 500Expected 04/02/2027
Min.: 1
Mult.: 1
: 500

100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 15uF 2917 20% ESR=35mOhms 14 677In Stock
9 500Expected 04/08/2026
Min.: 1
Mult.: 1
: 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 63V 22uF 2917 20% ESR=75mOhms 16 433In Stock
Min.: 1
Mult.: 1
: 500

22 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 138.6 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=30mOhms 24 257In Stock
29 000Expected 24/09/2026
Min.: 1
Mult.: 1
: 500

47 uF 35 VDC SMD/SMT 20 % 2917 30 mOhms 164.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 20% 55mOhms -55C/+125C 10 046In Stock
Min.: 1
Mult.: 1
: 2 000

47 uF 16 VDC SMD/SMT 20 % 1311 55 mOhms 75.2 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 20% 90mOhms -55C/+125C 3 307In Stock
18 000Expected 13/10/2026
Min.: 1
Mult.: 1
: 2 000

47 uF 16 VDC SMD/SMT 20 % 1311 90 mOhms 75.2 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=60mOhms 5 454In Stock
Min.: 1
Mult.: 1
: 500

47 uF 35 VDC SMD/SMT 20 % 2917 60 mOhms 164.5 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 150uF 20% 7360-43 -55 /+105C ESR=100mOhms 396In Stock
2 750On Order
Min.: 1
Mult.: 1
: 250

150 uF 35 VDC SMD/SMT 20 % 2824 100 mOhms 525 uA 4 mm - 55 C + 125 C 7360 O Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 10uF 20% 3528-12 -55 /+105C ESR=100mOhms 11 864In Stock
Min.: 1
Mult.: 1
: 3 000

10 uF 35 VDC SMD/SMT 20 % 1411 100 mOhms 35 uA 1.1 mm - 55 C + 125 C 3528 T Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 20% 7343-20 -55 / +125 ESR=50mOhms 1 985In Stock
Min.: 1
Mult.: 1
: 1 000

100 uF 16 VDC SMD/SMT 20 % 2815 50 mOhms 80 uA 1.9 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 33uF 20% 7343-20 -55C / 105C ESR=100mOhms 2 140In Stock
Min.: 1
Mult.: 1
: 1 000

33 uF 35 VDC SMD/SMT 20 % 2917 100 mOhms 115.5 uA 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 470uF 20% 20mOhms -55C/+125C 448In Stock
Min.: 1
Mult.: 1
: 500

470 uF 16 VDC SMD/SMT 20 % 2815 20 mOhms 752 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 18V 27uF ESR=55mOhms High Volt 2 637In Stock
6 000Expected 25/01/2027
Min.: 1
Mult.: 1
: 3 000

27 uF 18 VDC SMD/SMT 20 % 1411 55 mOhms 48.6 uA 1.1 mm - 55 C + 105 C 3528 T Code T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 68uF ESR=100mOhms High Volt 775In Stock
1 000Expected 23/07/2026
Min.: 1
Mult.: 1
: 1 000

68 uF 25 VDC SMD/SMT 20 % 2917 50 mOhms 170 uA 1.8 mm - 55 C + 125 C 7343 V Code T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 1uF 3528 20% ESR=200mohms 6 046In Stock
8 000Expected 14/07/2026
Min.: 1
Mult.: 1
: 2 000

1 uF 50 VDC SMD/SMT 20 % 1411 200 mOhms 5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 10uF 1311 20% ESR=100mOhms 11 259In Stock
6 000Expected 21/01/2027
Min.: 1
Mult.: 1
: 2 000

10 uF 16 VDC SMD/SMT 20 % 1311 100 mOhms 16 uA 2.1 mm - 55 C + 125 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 10uF 1311 20% ESR=200mohms 3 860In Stock
Min.: 1
Mult.: 1
: 2 000

10 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 35 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 1.5uF 1311 20% ESR=200mohms 4 340In Stock
Min.: 1
Mult.: 1
: 2 000

1.5 uF 63 VDC SMD/SMT 20 % 1411 200 mOhms 9.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 15uF 20% ESR=100mOhms 3 455In Stock
Min.: 1
Mult.: 1
: 2 000

15 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 37.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 2.2uF 1311 20% ESR=200mohms 4 487In Stock
Min.: 1
Mult.: 1
: 2 000

2.2 uF 50 VDC SMD/SMT 20 % 1411 200 mOhms 11 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel