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 25V 100uF 2917 20% ESR=30mOhms 3 361In Stock
18 000On Order
Cut Tape
5,15 €
3,75 €
3,19 €
3,01 €
Reel
2,72 €
Min.: 1
Mult.: 1
Max.: 2 000
: 500
100 uF 25 VDC SMD/SMT 20 % 2917 30 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 22uF 2917 20% ESR=75mOhms 34 677In Stock
1 500Expected 9/9/2027
Cut Tape
4,15 €
3,71 €
Reel
3,71 €
Min.: 1
Mult.: 1
Max.: 2 000
: 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 330uF 7343 ESR=15mOhms 20% 3 477In Stock
5 000Expected 2/1/2027
Cut Tape
7,19 €
5,36 €
4,63 €
4,36 €
Reel
4,02 €
Min.: 1
Mult.: 1
Max.: 2 000
: 500
330 uF 16 VDC SMD/SMT 20 % 2917 15 mOhms 528 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=30mOhms
15 864In Stock
87 000On Order
Cut Tape
4,73 €
3,32 €
2,86 €
2,73 €
Reel
2,72 €
Min.: 1
Mult.: 1
Max.: 2 000
: 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% 90mOhms -55C/+125C 4 999In Stock
16 000On Order
Cut Tape
1,41 €
0,98 €
0,724 €
0,605 €
Reel
0,52 €
Min.: 1
Mult.: 1
Max.: 8 000
: 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 16V 100uF 20% 7343-20 -55 / +125 ESR=50mOhms 1 985In Stock
Cut Tape
2,45 €
1,70 €
1,40 €
1,31 €
1,24 €
Reel
1,15 €
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 22uF 20% 7343-20 -55C / 105C ESR=65mOhms 3 994In Stock
Cut Tape
2,06 €
1,41 €
1,15 €
1,07 €
0,937 €
Reel
0,82 €
Min.: 1
Mult.: 1
Max.: 2 000
: 1 000
22 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 77 uA 2.8 mm 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 33uF 20% 7343-20 -55C / 105C ESR=100mOhms 2 375In Stock
1 000Expected 11/30/2026
Cut Tape
1,75 €
1,19 €
0,963 €
0,894 €
0,768 €
Reel
0,73 €
Min.: 1
Mult.: 1
Max.: 2 000
: 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 25V 47uF 7343 20% 2000 Hrs ESR=40mOhms 5 397In Stock
1 000Expected 11/30/2026
Cut Tape
2,01 €
1,38 €
1,12 €
1,04 €
1,01 €
Reel
0,92 €
Min.: 1
Mult.: 1
Max.: 2 000
: 1 000
47 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 117.5 uA 2 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 47uF 7343 20% 2000 Hrs ESR=60mOhms 2 976In Stock
Cut Tape
1,98 €
1,35 €
1,10 €
1,02 €
0,886 €
Reel
0,869 €
Min.: 1
Mult.: 1
Max.: 2 000
: 1 000
47 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 117.5 uA 2 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-20 -55 /+105C ESR=100mOhms 1 548In Stock
1 000Expected 12/10/2026
Cut Tape
2,22 €
1,53 €
1,25 €
1,16 €
1,02 €
Reel
0,963 €
Min.: 1
Mult.: 1
Max.: 2 000
: 1 000
47 uF 35 VDC SMD/SMT 20 % 2917 100 mOhms 164.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 2917 20% ESR=125mOhms
2 000In Stock
Cut Tape
4,84 €
3,40 €
2,92 €
2,57 €
2,49 €
Reel
2,49 €
Min.: 1
Mult.: 1
: 1 000
No
15 uF 35 VDC SMD/SMT 20 % 2917 125 mOhms 52.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 68uF 2917 20% ESR=50mOhms 1 000In Stock
Cut Tape
5,33 €
3,94 €
3,45 €
3,07 €
2,92 €
Reel
2,91 €
Min.: 1
Mult.: 1
: 1 000
No
68 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 108.8 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 330uF 2917 20% ESR=25mOhms
467In Stock
Cut Tape
9,98 €
7,52 €
6,67 €
6,08 €
Reel
5,85 €
Min.: 1
Mult.: 1
: 500
No
330 uF 16 VDC SMD/SMT 20 % 2917 25 mOhms 528 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 68uF ESR=100mOhms High Volt 846In Stock
1 000Expected 11/30/2026
Cut Tape
2,01 €
1,38 €
1,12 €
1,04 €
0,912 €
Reel
0,86 €
Min.: 1
Mult.: 1
Max.: 2 000
: 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 8 363In Stock
10 000Expected 11/30/2026
Cut Tape
1,24 €
0,645 €
0,593 €
0,505 €
0,477 €
Reel
0,454 €
Min.: 1
Mult.: 1
Max.: 8 000
: 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 3 727In Stock
20 000On Order
Cut Tape
1,49 €
1,01 €
0,838 €
0,75 €
Reel
0,593 €
Min.: 1
Mult.: 1
Max.: 8 000
: 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 20V 10uF 20% ESR=100mOhms 2 429In Stock
Cut Tape
1,48 €
0,989 €
0,789 €
0,728 €
Reel
0,593 €
Min.: 1
Mult.: 1
Max.: 8 000
: 2 000
10 uF 20 VDC SMD/SMT 20 % 1311 100 mOhms 20 uA 2.1 mm - 55 C + 125 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 15uF 1311 20% ESR=90mOhms 2 687In Stock
Cut Tape
1,58 €
1,07 €
0,851 €
0,787 €
Reel
0,649 €
Min.: 1
Mult.: 1
: 2 000
15 uF 20 VDC SMD/SMT 20 % 1411 90 mOhms 30 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 3 106In Stock
Cut Tape
1,36 €
0,717 €
0,66 €
0,566 €
0,545 €
Reel
0,545 €
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
KEMET Tantalum Capacitors - Polymer 50V 3.3uF 1311 20% ESR=200mOhms 5 013In Stock
Cut Tape
1,49 €
0,998 €
0,794 €
0,733 €
Reel
0,571 €
Min.: 1
Mult.: 1
Max.: 8 000
: 2 000
3.3 uF 50 VDC SMD/SMT 20 % 1311 200 mOhms 16.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 4.7uF 1311 20% ESR=150mOhms 10 398In Stock
8 000Expected 5/6/2027
Cut Tape
1,07 €
0,546 €
0,50 €
0,423 €
0,399 €
Reel
0,378 €
Min.: 1
Mult.: 1
Max.: 8 000
: 2 000
4.7 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 16.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms
2 792In Stock
1 500Expected 11/16/2026
Cut Tape
5,40 €
3,96 €
3,39 €
3,21 €
Reel
2,91 €
Min.: 1
Mult.: 1
: 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 20V 100uF 2917 20% ESR=55mOhms 2 488In Stock
10 500On Order
Cut Tape
3,67 €
2,80 €
2,51 €
2,29 €
Reel
1,84 €
Min.: 1
Mult.: 1
Max.: 2 000
: 500
100 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 200 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% 2 479In Stock
9 000On Order
Cut Tape
4,16 €
3,14 €
2,67 €
2,45 €
Reel
2,09 €
Min.: 1
Mult.: 1
Max.: 2 000
: 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