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 16V 10uF 20% 105C 3216 ESR=200mOhms 1.056In Stock
2.000Expected 9/17/2026
Min.: 1
Mult.: 1
: 2.000

10 uF 16 VDC SMD/SMT 20 % 1206 200 mOhms 16 uA 1.6 mm - 55 C + 105 C 3216 A Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms 2.570In Stock
Min.: 1
Mult.: 1
: 2.000

15 uF 35 VDC SMD/SMT 20 % 1411 100 mOhms 52.5 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 20% 55mOhms -55C/+125C 236In Stock
4.000Expected 4/8/2027
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 35V 47uF 20% 7343-31 -55 /+125C ESR=60mOhms 1.682In Stock
9.000On Order
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 889In Stock
Min.: 1
Mult.: 1
: 1.000

100 uF 16 VDC SMD/SMT 20 % 2815 50 mOhms 48 uA 1.9 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 470uF 20% 20mOhms -55C/+125C 24In Stock
500Expected 2/10/2027
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 35Volt 68uF 7343 20% 125C ESR=50mOhms 110In Stock
11.000On Order
Min.: 1
Mult.: 1
Max.: 1.000
: 500

68 uF 35 VDC SMD/SMT 20 % 3017 50 mOhms 238 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 20% 3216-18 -55 /+105C ESR=150mOhms 219In Stock
6.000On Order
Min.: 1
Mult.: 1
: 2.000

10 uF 25 VDC SMD/SMT 20 % 1206 150 mOhms 25 uA 1.6 mm - 55 C + 125 C 3216 A Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms 997In Stock
2.000Expected 4/15/2027
Min.: 1
Mult.: 1
Max.: 4.000
: 2.000

1 uF 63 VDC SMD/SMT 20 % 1411 200 mOhms 6.3 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms 1.232In Stock
2.000Expected 5/13/2027
Min.: 1
Mult.: 1
: 2.000

10 uF 25 VDC SMD/SMT 20 % 1311 100 mOhms 25 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=150mOhms 29In Stock
8.000Expected 10/29/2026
Min.: 1
Mult.: 1
: 2.000

10 uF 35 VDC SMD/SMT 20 % 1411 150 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 2.340In 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 16V 15uF 1311 20% ESR=90mOhms 428In Stock
2.000Expected 1/25/2027
Min.: 1
Mult.: 1
: 2.000

15 uF 16 VDC SMD/SMT 20 % 1411 90 mOhms 24 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 15uF 1311 20% ESR=90mOhms 722In Stock
2.000Expected 10/12/2026
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 20V 22uF 1311 20% ESR=90mOhms 27In Stock
2.000Expected 1/12/2027
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
KEMET Tantalum Capacitors - Polymer 25V 22uF 1311 20% ESR=100mOhms 330In Stock
96.000On 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 3.3uF 1311 20% ESR=150mOhms 174In Stock
2.000Expected 10/29/2026
Min.: 1
Mult.: 1
: 2.000

3.3 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 11.6 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 33uF 1311 20% ESR=70mOhms 2.353In Stock
Min.: 1
Mult.: 1
: 2.000

33 uF 16 VDC SMD/SMT 20 % 1311 70 mOhms 52.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 33uF 1311 20% ESR=90mOhms 2.610In Stock
Min.: 1
Mult.: 1
Max.: 4.000
: 2.000

33 uF 16 VDC SMD/SMT 20 % 1311 90 mOhms 52.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 33uF 20% ESR=90mOhms 1.770In Stock
Min.: 1
Mult.: 1
: 2.000

33 uF SMD/SMT 20 % - 55 C + 105 C T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 4.7uF 1311 20% ESR=200mohms 475In Stock
2.000Expected 10/12/2026
Min.: 1
Mult.: 1
: 2.000

4.7 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 16.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 20% 90mOhms -55C/+125C 13In Stock
18.000Expected 10/13/2026
Min.: 1
Mult.: 1
Max.: 4.000
: 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 35V 6.8uF 1311 20% ESR=150mOhms 916In Stock
2.000Expected 10/5/2026
Min.: 1
Mult.: 1
: 2.000

6.8 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 23.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 6.8uF 1311 20% ESR=200mohms 1.415In Stock
Min.: 1
Mult.: 1
: 2.000

6.8 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 23.8 uA 1.9 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 4.7uF 20% ESR=200mOhms 219In Stock
1.000Expected 10/5/2026
Min.: 1
Mult.: 1
: 500

4.7 uF 63 VDC SMD/SMT 20 % 2312 200 mOhms 29.6 uA 2.8 mm - 55 C + 105 C 6032 C Case T521 Reel, Cut Tape, MouseReel