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 (CAD) 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 16V 68uF 2917 20% ESR=40mOhms 1,391In Stock
Min.: 1
Mult.: 1
: 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 50V 1uF 1311 20% ESR=200mohms 1,749In Stock
Min.: 1
Mult.: 1
: 8,000

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 35V 33uF 7343 ESR=65mOhms 1,885In Stock
Min.: 1
Mult.: 1
: 1,000

33 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 115.5 uA 1.8 mm - 55 C + 105 C 7343 V Coded T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 150uF 20% 7360-43 -55 /+105C ESR=100mOhms 1,382In Stock
1,750On 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 25V 47uF 7343 20% 2000 Hrs ESR=60mOhms 3,006In Stock
Min.: 1
Mult.: 1
: 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 10uF ESR=100mOhms 3528-21 20% 3,754In 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 3,425In 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 68uF ESR=100mOhms High Volt 1,861In Stock
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 75V 15uF 2917 20% ESR=35mOhms 11,034In Stock
9,500Expected 2026-08-04
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 15,312In 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 20,294In Stock
29,000Expected 2026-09-24
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 35V 47uF 20% 7343-31 -55 /+125C ESR=60mOhms 4,915In Stock
1,000Expected 2027-01-05
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 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 25V 47uF 7343 20% 2000 Hrs ESR=40mOhms 3,979In Stock
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 20V 47uF 2917 20% ESR=90mOhms 700In Stock
Min.: 1
Mult.: 1
: 1,000
No
47 uF 20 VDC SMD/SMT 20 % 2917 90 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 22uF 2917 20% ESR=75mOhms 432In 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 18V 27uF ESR=55mOhms High Volt 2,637In Stock
6,000Expected 2026-08-20
Min.: 1
Mult.: 1
Max.: 6,000
: 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 50V 1uF 3528 20% ESR=200mohms 6,031In Stock
8,000Expected 2026-08-10
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 2027-01-21
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 20V 10uF 20% ESR=100mOhms 2,507In Stock
Min.: 1
Mult.: 1
: 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 35V 10uF 1311 20% ESR=200mohms 3,780In 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 50V 2.2uF 1311 20% ESR=200mohms 4,155In 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
KEMET Tantalum Capacitors - Polymer 20V 22uF 1311 20% ESR=90mOhms 1,652In Stock
2,000Expected 2027-01-12
Min.: 1
Mult.: 1
: 2,000

22 uF 20 VDC SMD/SMT 20 % 1411 90 mOhms 44 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel