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: 272
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=60mOhms 88In Stock
3 500On Order
Min.: 1
Mult.: 1
Max.: 1 000
: 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 88In Stock
1 000Expected 2/1/2027
Min.: 1
Mult.: 1
Max.: 1 000
: 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 500In Stock
1 000Expected 9/22/2026
Min.: 1
Mult.: 1
Max.: 1 000
: 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 50V 18uF 2917 20% ESR=90mOhms 450In Stock
Min.: 1
Mult.: 1
: 500

18 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 90 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=40mOhms 403In Stock
500Expected 12/17/2026
Min.: 1
Mult.: 1
: 500

22 uF 35 VDC SMD/SMT 20 % 2917 40 mOhms 77 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=25mOhms 410In Stock
500Expected 5/6/2027
Min.: 1
Mult.: 1
Max.: 1 000
: 500

220 uF 16 VDC SMD/SMT 20 % 2815 25 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 473In Stock
Min.: 1
Mult.: 1
: 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 281In Stock
1 000Expected 2/4/2027
Min.: 1
Mult.: 1
: 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 606In Stock
500Expected 11/5/2026
Min.: 1
Mult.: 1
: 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 6.8uF 2917 20% ESR=70mOhms 10In Stock
Min.: 1
Mult.: 1
: 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 16V 33uF 2917 20% ESR=40mOhms 500In Stock
Min.: 1
Mult.: 1
: 1 000

33 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 52.8 uA 1.1 mm - 55 C + 105 C 7343 Q Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms 1 291In Stock
3 000Expected 1/14/2027
Min.: 1
Mult.: 1
: 3 000

10 uF 25 VDC SMD/SMT 20 % 1411 100 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 20% 3528-12 -55 /+105C ESR=100mOhms 17In Stock
15 000Expected 3/25/2027
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 12.5 47uF 20% ESR=90mOhms 3In Stock
6 000Expected 6/17/2027
Min.: 1
Mult.: 1
: 3 000

47 uF 12.5 VDC SMD/SMT 20 % 1411 90 mOhms 58.8 uA 1.1 mm - 55 C + 105 C 3528 T Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 6.8uF 1311 20% ESR=90mOhms 155In Stock
6 000Expected 9/21/2026
Min.: 1
Mult.: 1
: 3 000

6.8 uF 35 VDC SMD/SMT 20 % 1411 90 mOhms 23.8 uA 1.1 mm - 55 C + 125 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms 7In Stock
4 000Expected 12/24/2026
Min.: 1
Mult.: 1
: 1 000

10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=40mOhms 480In Stock
3 000Expected 12/17/2026
Min.: 1
Mult.: 1
: 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 20V 100uF 2917 20% ESR=55mOhms 401In Stock
14 000On Order
Min.: 1
Mult.: 1
: 1 000

100 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 200 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 1 013In Stock
Min.: 1
Mult.: 1
: 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 16V 150uF 2912 20% E SR=50mOhms 75In Stock
4 000On Order
Min.: 1
Mult.: 1
Max.: 2 000
: 1 000

150 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 240 uA 1.9 mm - 55 C + 105 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 20% ESR=60mOhms 5 995In Stock
Min.: 1
Mult.: 1
: 3 000

33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=40mOhms 541In Stock
Min.: 1
Mult.: 1
: 1 000

47 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 75.2 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 68uF 2917 20% ESR=50mOhms
1 000Expected 10/9/2026
Min.: 1
Mult.: 1
: 1 000

68 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 108.8 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 68uF 2917 20% ESR=40mOhms 1 230In 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 20V 47uF 20% ESR=45mOhms 1 060In Stock
1 000Expected 3/30/2027
Min.: 1
Mult.: 1
: 1 000

47 uF 20 VDC SMD/SMT 20 % 2917 45 mOhms 94 uA 1.4 mm - 55 C + 105 C 7343 W Case T521 SSD Reel, Cut Tape, MouseReel