Aluminum Organic Polymer Capacitors

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EEF-KX Conductive Aluminum Electrolytic Capacitors

Panasonic EEF-KX Conductive Aluminum Electrolytic Capacitors feature a high endurance of 5500 hours at +125°C, enabling use in applications with exceptionally long life. These high-temperature, long-life capacitors utilize a conductive polymer formation and manufacturing process technology, providing high durability under high temperature and high humidity conditions. The EEF-KX series offers a maximum equivalent series resistance (ESR) range of 3mΩ to 15mΩ, a capacitance range of 120μF to 470μF, and a maximum height of 1.9mm. Panasonic EEF-KX Capacitors are suitable for servers, industrial equipment, power management systems, and other applications.

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Part #

Aluminum Organic Polymer Capacitors 330uF 9mOhm 6300mA

EEF-KX0D331RE
Panasonic Industry
1: S/11.29
6,543In Stock

Mfr. Part #
EEF-KX0D331RE

Mouser Part #
667-EEF-KX0D331RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 330uF 9mOhm 6300mA

Learn More

Datasheet

6,543In Stock

Cut Tape

S/11.29

S/7.67

S/6.62

S/5.84

View

Reel

S/4.44

Min.: 1
Mult.: 1

: 3,500

330 uF

2 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm

EEF-KX0E391RC
Panasonic Industry
1: S/13.90
4,996In Stock

Mfr. Part #
EEF-KX0E391RC

Mouser Part #
667-EEF-KX0E391RC

Panasonic Industry

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm

Learn More

Datasheet

4,996In Stock

Cut Tape

S/13.90

S/10.00

S/8.64

S/7.63

View

Reel

S/5.64

Min.: 1
Mult.: 1
Max.: 3,500

: 3,500

390 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

4.5 mOhms

8.5 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 6300mA 9mOhm 125C 5500h

EEF-KX0E471RE
Panasonic Industry
1: S/17.28
6,613In Stock

Mfr. Part #
EEF-KX0E471RE

Mouser Part #
667-EEF-KX0E471RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 6300mA 9mOhm 125C 5500h

Learn More

Datasheet

6,613In Stock

Cut Tape

S/17.28

S/11.64

S/9.30

S/8.56

View

Reel

S/6.23

Min.: 1
Mult.: 1

: 3,500

470 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Molded

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 6.3BDC 120uF 5100mA 15mOhm

EEF-KX0J121RF
Panasonic Industry
1: S/12.07
3,406In Stock
3,500Expected 12/14/2026

Mfr. Part #
EEF-KX0J121RF

Mouser Part #
667-EEF-KX0J121RF

Panasonic Industry

Aluminum Organic Polymer Capacitors 6.3BDC 120uF 5100mA 15mOhm

Learn More

Datasheet

3,406In Stock

3,500Expected 12/14/2026

Cut Tape

S/12.07

S/8.45

S/8.14

S/6.15

View

Reel

S/4.67

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

120 uF

6.3 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

15 mOhms

5.1 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 6.3VDC 150uF 5100mA 15mOhm

EEF-KX0J151RF
Panasonic Industry
1: S/12.57
5,100In Stock

Mfr. Part #
EEF-KX0J151RF

Mouser Part #
667-EEF-KX0J151RF

Panasonic Industry

Aluminum Organic Polymer Capacitors 6.3VDC 150uF 5100mA 15mOhm

Learn More

Datasheet

5,100In Stock

Cut Tape

S/12.57

S/8.91

S/7.71

S/6.81

View

Reel

S/5.02

Min.: 1
Mult.: 1

: 3,500

150 uF

6.3 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

15 mOhms

5.1 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2VDC 470uF 8500mA 4.5mOhm

EEF-KX0D471RC
Panasonic Industry
1: S/13.35
6,900In Stock

Mfr. Part #
EEF-KX0D471RC

Mouser Part #
667-EEF-KX0D471RC

Panasonic Industry

Aluminum Organic Polymer Capacitors 2VDC 470uF 8500mA 4.5mOhm

Learn More

Datasheet

6,900In Stock

Cut Tape

S/13.35

S/9.50

S/8.21

S/7.24

View

Reel

S/5.33

Min.: 1
Mult.: 1

: 3,500

470 uF

2 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

4.5 mOhms

8.5 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm 125C 5500h

EEF-KX0E471RC
Panasonic Industry
1: S/17.40
105In Stock
7,000On Order

Mfr. Part #
EEF-KX0E471RC

Mouser Part #
667-EEF-KX0E471RC

Panasonic Industry

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm 125C 5500h

Learn More

Datasheet

105In Stock

7,000On Order

Cut Tape

S/17.40

S/11.76

S/9.42

S/8.68

View

Reel

S/6.19

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

470 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

4.5 mOhms

8.5 A

- 55 C

+ 125 C

1.9 mm

Molded

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 4VDC 150uF 5100mA 15mOhm

EEF-KX0G151RF
Panasonic Industry
1: S/10.67
6,996In Stock

Mfr. Part #
EEF-KX0G151RF

Mouser Part #
667-EEF-KX0G151RF

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 150uF 5100mA 15mOhm

Learn More

Datasheet

6,996In Stock

Cut Tape

S/10.67

S/7.59

S/6.54

S/5.76

View

Reel

S/4.09

Min.: 1
Mult.: 1

: 3,500

150 uF

4 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

15 mOhms

5.1 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 4VDC 180uF 5100mA 15mOhm

EEF-KX0G181RF
Panasonic Industry
1: S/13.00
7,000In Stock

Mfr. Part #
EEF-KX0G181RF

Mouser Part #
667-EEF-KX0G181RF

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 180uF 5100mA 15mOhm

Learn More

Datasheet

7,000In Stock

Cut Tape

S/13.00

S/8.95

S/7.43

S/6.66

View

Reel

S/4.67

Min.: 1
Mult.: 1

: 3,500

180 uF

4 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

15 mOhms

5.1 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 4VDC 220uF 5100mA 15mOhm

EEF-KX0G221RF
Panasonic Industry
1: S/12.42
6,975In Stock

Mfr. Part #
EEF-KX0G221RF

Mouser Part #
667-EEF-KX0G221RF

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 220uF 5100mA 15mOhm

Learn More

Datasheet

6,975In Stock

Cut Tape

S/12.42

S/8.80

S/7.63

S/6.70

View

Reel

S/4.94

Min.: 1
Mult.: 1

: 3,500

220 uF

4 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

15 mOhms

5.1 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 470uF 9mOhm 6300mA

EEF-KX0D471RE
Panasonic Industry
1: S/16.62
2,881In Stock
10,500Expected 12/28/2026

Mfr. Part #
EEF-KX0D471RE

Mouser Part #
667-EEF-KX0D471RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 470uF 9mOhm 6300mA

Learn More

Datasheet

2,881In Stock

10,500Expected 12/28/2026

Cut Tape

S/16.62

S/11.21

S/8.95

S/8.25

View

Reel

S/5.76

Min.: 1
Mult.: 1
Max.: 3,500

: 3,500

470 uF

2 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 330uF 9mOhm 6300mA

EEF-KX0E331RE
Panasonic Industry
1: S/14.25
1,687In Stock

Mfr. Part #
EEF-KX0E331RE

Mouser Part #
667-EEF-KX0E331RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 330uF 9mOhm 6300mA

Learn More

Datasheet

1,687In Stock

Cut Tape

S/14.25

S/9.93

S/8.25

S/7.43

View

Reel

S/5.33

Min.: 1
Mult.: 1
Max.: 3,500

: 3,500

330 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 220uF 9mOhm 6300mA

EEF-KX0E221RE
Panasonic Industry
1: S/11.29
137In Stock

Mfr. Part #
EEF-KX0E221RE

Mouser Part #
667-EEF-KX0E221RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 220uF 9mOhm 6300mA

Learn More

Datasheet

137In Stock

Cut Tape

S/11.29

S/7.90

S/7.67

S/5.80

View

Reel

S/5.02

Min.: 1
Mult.: 1

: 3,500

220 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm

EEF-KX0E391RB
Panasonic Industry
1: S/14.99
44In Stock

Mfr. Part #
EEF-KX0E391RB

Mouser Part #
667-EEF-KX0E391RB

Panasonic Industry

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm

Learn More

Datasheet

44In Stock

Cut Tape

S/14.99

S/10.39

S/9.54

S/8.80

View

Reel

S/6.54

Min.: 1
Mult.: 1

: 3,500

390 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

3 mOhms

10.2 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm 125C 5500h

EEF-KX0E471RB
Panasonic Industry
1: S/17.63
19,404Expected 11/26/2026

Mfr. Part #
EEF-KX0E471RB

Mouser Part #
667-EEF-KX0E471RB

Panasonic Industry

Aluminum Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm 125C 5500h

Learn More

Datasheet

19,404Expected 11/26/2026

Cut Tape

S/17.63

S/11.91

S/9.54

S/8.80

View

Reel

S/6.54

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

470 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

3 mOhms

10.2 A

- 55 C

+ 125 C

1.9 mm

Molded

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 4VDC 220uF 20% 9mOhm 6300mArms

EEF-KX0G221RE
Panasonic Industry
1: S/13.39
10,500Expected 1/4/2027
New Product

Mfr. Part #
EEF-KX0G221RE

Mouser Part #
667-EEF-KX0G221RE

New Product

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 220uF 20% 9mOhm 6300mArms

Datasheet

10,500Expected 1/4/2027

Cut Tape

S/13.39

S/9.93

S/8.60

S/7.59

View

Reel

S/6.27

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

220 uF

4 VDC

SMD/SMT

7.3 mm

4.3 mm

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 2VDC 470uF 10200mA 3mOhm

EEF-KX0D471RB
Panasonic Industry
1: S/16.78
111In Stock
3,500Expected 12/28/2026

Mfr. Part #
EEF-KX0D471RB

Mouser Part #
667-EEF-KX0D471RB

Panasonic Industry

Aluminum Organic Polymer Capacitors 2VDC 470uF 10200mA 3mOhm

Learn More

Datasheet

111In Stock

3,500Expected 12/28/2026

Cut Tape

S/16.78

S/11.29

S/9.03

S/8.33

View

Reel

S/6.15

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

470 uF

2 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

3 mOhms

10.2 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 4VDC 150uF 20% 9mOhm 6300mArms

EEF-KX0G151RE
Panasonic Industry
1: S/11.87
10,500Expected 1/4/2027
New Product

Mfr. Part #
EEF-KX0G151RE

Mouser Part #
667-EEF-KX0G151RE

New Product

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 150uF 20% 9mOhm 6300mArms

Datasheet

10,500Expected 1/4/2027

Cut Tape

S/11.87

S/8.60

S/7.43

S/6.58

View

Reel

S/5.45

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

150 uF

4 VDC

SMD/SMT

7.3 mm

4.3 mm

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 4VDC 180uF 20% 9mOhm 6300mArms

EEF-KX0G181RE
Panasonic Industry
1: S/12.73
10,500Expected 1/4/2027
New Product

Mfr. Part #
EEF-KX0G181RE

Mouser Part #
667-EEF-KX0G181RE

New Product

Panasonic Industry

Aluminum Organic Polymer Capacitors 4VDC 180uF 20% 9mOhm 6300mArms

Datasheet

10,500Expected 1/4/2027

Cut Tape

S/12.73

S/9.42

S/8.17

S/7.20

View

Reel

S/5.96

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

180 uF

4 VDC

SMD/SMT

7.3 mm

4.3 mm

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel, Cut Tape, MouseReel

Aluminum Organic Polymer Capacitors 390uF 9mOhm 6300mA

EEF-KX0E391RE
Panasonic Industry
3,500: S/6.50
Non-Stocked Lead-Time 43 Weeks

Mfr. Part #
EEF-KX0E391RE

Mouser Part #
667-EEF-KX0E391RE

Panasonic Industry

Aluminum Organic Polymer Capacitors 390uF 9mOhm 6300mA

Learn More

Datasheet

Non-Stocked Lead-Time 43 Weeks

Reel

S/6.50

Min.: 3,500
Mult.: 3,500

: 3,500

390 uF

2.5 VDC

SMD/SMT

7.3 mm (0.287 in)

4.3 mm (0.169 in)

Aluminum Polymer Capacitors

5500 Hours

20 %

9 mOhms

6.3 A

- 55 C

+ 125 C

1.9 mm

Reel

EEF-KX Conductive Aluminum Electrolytic Capacitors

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