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 (USD) 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 20V 100uF 2917 20% ESR=55mOhms 1,537In Stock
10,500On Order
Cut Tape
$4.27
$3.26
$2.92
$2.66
Reel
$2.14
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% 2,529In Stock
9,000On Order
Cut Tape
$4.84
$3.65
$3.11
$2.85
Reel
$2.43
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
KEMET Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms 2,098In Stock
1,500Expected 2027/04/12
Cut Tape
$5.26
$3.81
$3.23
$3.04
Reel
$2.90
Min.: 1
Mult.: 1
Max.: 1,000
: 500
150 uF 20 VDC SMD/SMT 20 % 2917 65 mOhms 300 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 22uF 2917 20% ESR=90mOhms 735In Stock
7,000On Order
Cut Tape
$6.47
$4.75
$4.06
$3.85
Reel
$3.55
Min.: 1
Mult.: 1
Max.: 2,000
: 500
22 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 110 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=50mOhms 647In Stock
500Expected 2026/10/14
Cut Tape
$6.63
$4.86
$4.15
$3.90
Reel
$3.65
Min.: 1
Mult.: 1
Max.: 1,000
: 500
220 uF 16 VDC SMD/SMT 20 % 2815 50 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=60mohms
1,708In Stock
Cut Tape
$2.73
$1.98
$1.63
$1.52
Reel
$1.33
Min.: 1
Mult.: 1
Max.: 2,000
: 500
33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms
2,051In Stock
Cut Tape
$3.30
$2.31
$1.92
$1.79
Reel
$1.60
Min.: 1
Mult.: 1
Max.: 2,000
: 500
47 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 94 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 3,995In Stock
Cut Tape
$5.84
$4.26
$3.63
$3.44
Reel
$3.11
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 10uF 1311 20% ESR=60mOhms 13,406In Stock
30,000On Order
Cut Tape
$2.61
$1.81
$1.49
$1.38
$1.16
Reel
$1.08
Min.: 1
Mult.: 1
Max.: 12,000
: 3,000
10 uF 25 VDC SMD/SMT 20 % 1411 60 mOhms 25 uA 1.1 mm - 55 C + 125 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 6.8uF 1311 20% ESR=90mOhms 5,955In Stock
Cut Tape
$2.55
$1.76
$1.43
$1.33
$1.11
Reel
$1.04
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 35V 10uF 2917 20% ESR=120mOhms 1,702In Stock
Cut Tape
$2.45
$1.67
$1.37
$1.27
$1.11
Reel
$1.05
Min.: 1
Mult.: 1
: 1,000
10 uF 35 VDC SMD/SMT 20 % 2917 120 mOhms 35 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=50mOhms
7,309In Stock
44,843On Order
Cut Tape
$2.73
$1.88
$1.62
$1.43
$1.27
Reel
$1.21
Min.: 1
Mult.: 1
Max.: 4,000
: 1,000
100 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 160 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=125mOhms
2,710In Stock
Cut Tape
$2.45
$1.67
$1.37
$1.27
$1.11
Reel
$1.07
Min.: 1
Mult.: 1
: 1,000
15 uF 35 VDC SMD/SMT 20 % 2917 125 mOhms 52.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=45mOhms Non-Stocked Lead-Time 25 Weeks
Cut Tape
$2.91
$2.07
$1.79
$1.57
Reel
$1.26
Min.: 1
Mult.: 1
: 1,000
22 uF 25 VDC SMD/SMT 20 % 2917 45 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=40mOhms 2,105In Stock
Cut Tape
$2.88
$2.00
$1.64
$1.54
$1.35
Reel
$1.28
Min.: 1
Mult.: 1
Max.: 4,000
: 1,000
22 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=60mohms
4,293In Stock
4,000Expected 2027/04/01
Cut Tape
$2.59
$1.80
$1.50
$1.40
$1.22
Reel
$1.17
Min.: 1
Mult.: 1
Max.: 4,000
: 1,000
33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=90mOhms
1,667In Stock
Cut Tape
$2.63
$1.83
$1.50
$1.40
$1.24
Reel
$1.21
Min.: 1
Mult.: 1
: 1,000
47 uF 20 VDC SMD/SMT 20 % 2917 90 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=35mOhms
1,787In Stock
2,000Expected 2027/08/31
Cut Tape
$7.89
$5.84
$5.04
$4.72
Reel
$4.36
Min.: 1
Mult.: 1
Max.: 2,000
: 500
15 uF 63 VDC SMD/SMT 20 % 2917 35 mOhms 94.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=150mOhms
2,098In Stock
3,000On Order
Cut Tape
$7.33
$5.43
$4.68
$4.44
Reel
$4.04
Min.: 1
Mult.: 1
Max.: 2,000
: 500
15 uF 63 VDC SMD/SMT 20 % 2917 150 mOhms 94.5 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 1,081In Stock
18,000On Order
Cut Tape
$8.97
$6.76
$5.86
$5.58
Reel
$5.20
Min.: 1
Mult.: 1
Max.: 2,000
: 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 16Vol 330uF 2912 20% ESR=25mOhms 659In Stock
1,500On Order
Cut Tape
$8.26
$6.14
$5.30
$4.94
Reel
$4.59
Min.: 1
Mult.: 1
Max.: 2,000
: 500
330 uF 16 VDC SMD/SMT 20 % 2917 25 mOhms 528 uA - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=70mOhms
2,140In Stock
19,280On Order
Cut Tape
$5.33
$3.73
$3.21
$2.83
Reel
$2.63
$2.52
Min.: 1
Mult.: 1
Max.: 1,000
: 500
47 uF 35 VDC SMD/SMT 20 % 2917 70 mOhms 164.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 10uF 20% 105C 3216 ESR=200mOhms 956In Stock
2,000On Order
Cut Tape
$1.43
$0.88
$0.729
$0.611
$0.569
Reel
$0.54
Min.: 1
Mult.: 1
Max.: 8,000
: 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 25V 10uF 20% 3216-18 -55 /+105C ESR=150mOhms 1,174In Stock
10,000On Order
Cut Tape
$1.17
$0.68
$0.548
$0.454
$0.422
Reel
$0.379
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 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms 389In Stock
4,000On Order
Cut Tape
$1.29
$0.783
$0.623
$0.521
$0.488
Reel
$0.451
Min.: 1
Mult.: 1
Max.: 4,000
: 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