Aluminium Organic Polymer Capacitors

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EEF-KX Conductive Aluminium Electrolytic Capacitors

Panasonic EEF-KX Conductive Aluminum Electrolytic Capacitors feature a high endurance of 5,500 hours at +125°C, enabling use in applications with exceptionally long life. These high-temperature, long-life capacitors have a conductive polymer formation and are manufactured using process technology, which provides 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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Capacitance	Voltage Rating DC	Termination Style	Length	Width	Product	Life	Tolerance	ESR	Ripple Current	Minimum Operating Temperature	Maximum Operating Temperature	Height	Package Type	Series	Packaging
Aluminium Organic Polymer Capacitors 330uF 9mOhm 6300mA EEF-KX0D331RE Panasonic Industry 1: HK$23.84 6,538In Stock	Mfr. Part No. EEF-KX0D331RE Mouser Part No 667-EEF-KX0D331RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 330uF 9mOhm 6300mA Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	6,538In Stock	Cut Tape HK$23.84 HK$16.69 HK$14.39 HK$12.66 View Reel HK$9.37 HK$11.26 HK$10.19 HK$9.37	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm EEF-KX0E391RC Panasonic Industry 1: HK$31.56 5,080In Stock	Mfr. Part No. EEF-KX0E391RC Mouser Part No 667-EEF-KX0E391RC	Panasonic Industry	Aluminium Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	5,080In Stock	Cut Tape HK$31.56 HK$22.36 HK$18.66 HK$16.77 View Reel HK$11.92 HK$14.47 HK$13.32 HK$12.99 HK$11.92	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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2.5VDC 470uF 6300mA 9mOhm 125C 5500h EEF-KX0E471RE Panasonic Industry 1: HK$36.50 6,613In Stock	Mfr. Part No. EEF-KX0E471RE Mouser Part No 667-EEF-KX0E471RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 2.5VDC 470uF 6300mA 9mOhm 125C 5500h Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	6,613In Stock	Cut Tape HK$36.50 HK$24.58 HK$19.65 HK$18.08 View Reel HK$13.15 HK$15.37 HK$14.55 HK$13.15 HK$13.15	Min.: 1 Mult.: 1 Max.: 3,500 : 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	KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 6.3BDC 120uF 5100mA 15mOhm EEF-KX0J121RF Panasonic Industry 1: HK$25.48 3,406In Stock 3,500Expected 14/12/2026	Mfr. Part No. EEF-KX0J121RF Mouser Part No 667-EEF-KX0J121RF	Panasonic Industry	Aluminium Organic Polymer Capacitors 6.3BDC 120uF 5100mA 15mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	3,406In Stock 3,500Expected 14/12/2026	Cut Tape HK$25.48 HK$17.18 HK$14.80 HK$12.99 View Reel HK$9.86 HK$11.51 HK$11.26 HK$9.86 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 6.3VDC 150uF 5100mA 15mOhm EEF-KX0J151RF Panasonic Industry 1: HK$28.85 4,870In Stock	Mfr. Part No. EEF-KX0J151RF Mouser Part No 667-EEF-KX0J151RF	Panasonic Industry	Aluminium Organic Polymer Capacitors 6.3VDC 150uF 5100mA 15mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	4,870In Stock	Cut Tape HK$28.85 HK$20.14 HK$16.77 HK$15.04 View Reel HK$10.77 HK$13.07 HK$11.59 HK$10.77	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2VDC 470uF 8500mA 4.5mOhm EEF-KX0D471RC Panasonic Industry 1: HK$28.19 6,900In Stock	Mfr. Part No. EEF-KX0D471RC Mouser Part No 667-EEF-KX0D471RC	Panasonic Industry	Aluminium Organic Polymer Capacitors 2VDC 470uF 8500mA 4.5mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	6,900In Stock	Cut Tape HK$28.19 HK$20.06 HK$17.34 HK$15.29 View Reel HK$11.26 HK$13.48 HK$12.33 HK$11.26	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 %	4.5 mOhms	8.5 A	- 55 C	+ 125 C	1.9 mm		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm 125C 5500h EEF-KX0E471RC Panasonic Industry 1: HK$36.74 105In Stock 7,000On Order	Mfr. Part No. EEF-KX0E471RC Mouser Part No 667-EEF-KX0E471RC	Panasonic Industry	Aluminium Organic Polymer Capacitors 2.5VDC 470uF 8500mA 4.5mOhm 125C 5500h Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	105In Stock 7,000On Order On Order Ship Dates Mfr. No: EEF-KX0E471RC Stock: 105 Can Dispatch Immediately On Order: 3,500 Expected 26/10/2026 3,500 Expected 29/10/2026 Factory Lead Time: 43 Weeks	Cut Tape HK$36.74 HK$24.82 HK$19.89 HK$18.33 View Reel HK$13.07 HK$14.63 HK$13.40 HK$13.07 HK$13.07 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 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	KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 4VDC 150uF 5100mA 15mOhm EEF-KX0G151RF Panasonic Industry 1: HK$22.52 6,996In Stock	Mfr. Part No. EEF-KX0G151RF Mouser Part No 667-EEF-KX0G151RF	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 150uF 5100mA 15mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	6,996In Stock	Cut Tape HK$22.52 HK$16.03 HK$13.81 HK$12.17 View Reel HK$8.63 HK$10.77 HK$9.70 HK$9.12 HK$8.63	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 4VDC 180uF 5100mA 15mOhm EEF-KX0G181RF Panasonic Industry 1: HK$27.45 7,000In Stock	Mfr. Part No. EEF-KX0G181RF Mouser Part No 667-EEF-KX0G181RF	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 180uF 5100mA 15mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	7,000In Stock	Cut Tape HK$27.45 HK$18.91 HK$15.70 HK$14.06 View Reel HK$9.86 HK$12.25 HK$11.26 HK$10.77 HK$9.86	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 4VDC 220uF 5100mA 15mOhm EEF-KX0G221RF Panasonic Industry 1: HK$26.22 6,975In Stock	Mfr. Part No. EEF-KX0G221RF Mouser Part No 667-EEF-KX0G221RF	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 220uF 5100mA 15mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	6,975In Stock	Cut Tape HK$26.22 HK$18.58 HK$16.11 HK$14.14 View Reel HK$10.44 HK$12.49 HK$11.43 HK$10.44	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 470uF 9mOhm 6300mA EEF-KX0D471RE Panasonic Industry 1: HK$30.58 2,881In Stock	Mfr. Part No. EEF-KX0D471RE Mouser Part No 667-EEF-KX0D471RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 470uF 9mOhm 6300mA Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	2,881In Stock	Cut Tape HK$30.58 HK$21.37 HK$17.76 HK$16.03 View Reel HK$11.43 HK$13.40 HK$12.33 HK$11.43	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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 330uF 9mOhm 6300mA EEF-KX0E331RE Panasonic Industry 1: HK$30.09 1,687In Stock	Mfr. Part No. EEF-KX0E331RE Mouser Part No 667-EEF-KX0E331RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 330uF 9mOhm 6300mA Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	1,687In Stock	Cut Tape HK$30.09 HK$20.96 HK$17.43 HK$15.70 View Reel HK$11.26 HK$13.65 HK$12.49 HK$12.08 HK$11.26	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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 220uF 9mOhm 6300mA EEF-KX0E221RE Panasonic Industry 1: HK$24.82 137In Stock	Mfr. Part No. EEF-KX0E221RE Mouser Part No 667-EEF-KX0E221RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 220uF 9mOhm 6300mA Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	137In Stock	Cut Tape HK$24.82 HK$16.77 HK$16.19 HK$12.82 View Reel HK$10.60 HK$12.66 HK$11.59 HK$10.60 HK$10.60	Min.: 1 Mult.: 1 Max.: 3,500 : 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		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm EEF-KX0E391RB Panasonic Industry 1: HK$31.65 44In Stock	Mfr. Part No. EEF-KX0E391RB Mouser Part No 667-EEF-KX0E391RB	Panasonic Industry	Aluminium Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	44In Stock	Cut Tape HK$31.65 HK$21.04 HK$20.14 HK$18.58 View Reel HK$13.81 HK$16.85 HK$14.96 HK$13.81 HK$13.81	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 %	3 mOhms	10.2 A	- 55 C	+ 125 C	1.9 mm		KX	Reel, Cut Tape
Aluminium Organic Polymer Capacitors 2VDC 470uF 10200mA 3mOhm EEF-KX0D471RB Panasonic Industry 1: HK$30.58 17,491On Order	Mfr. Part No. EEF-KX0D471RB Mouser Part No 667-EEF-KX0D471RB	Panasonic Industry	Aluminium Organic Polymer Capacitors 2VDC 470uF 10200mA 3mOhm Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	17,491On Order On Order Ship Dates Mfr. No: EEF-KX0D471RB Stock: 0 On Order: 3,491 Expected 28/12/2026 7,000 Expected 11/1/2027 7,000 Expected 18/1/2027 Factory Lead Time: 43 Weeks	Cut Tape HK$30.58 HK$21.62 HK$18.00 HK$16.19 View Reel HK$11.51 HK$13.97 HK$12.82 HK$12.49 HK$11.51 MouseReel Available	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 %	3 mOhms	10.2 A	- 55 C	+ 125 C	1.9 mm		KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm 125C 5500h EEF-KX0E471RB Panasonic Industry 1: HK$37.24 19,404Expected 26/11/2026	Mfr. Part No. EEF-KX0E471RB Mouser Part No 667-EEF-KX0E471RB	Panasonic Industry	Aluminium Organic Polymer Capacitors 2.5VDC 470uF 10200mA 3mOhm 125C 5500h Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	19,404Expected 26/11/2026	Cut Tape HK$37.24 HK$25.15 HK$20.14 HK$18.58 View Reel HK$13.81 HK$15.86 HK$14.96 HK$13.81 HK$13.81 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 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	KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 4VDC 220uF 20% 9mOhm 6300mArms EEF-KX0G221RE Panasonic Industry 1: HK$28.28 10,500Expected 4/1/2027 New Product	Mfr. Part No. EEF-KX0G221RE Mouser Part No 667-EEF-KX0G221RE New Product	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 220uF 20% 9mOhm 6300mArms Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	10,500Expected 4/1/2027	Cut Tape HK$28.28 HK$20.96 HK$18.17 HK$16.03 View Reel HK$13.23 HK$14.06 HK$13.23 HK$13.23 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		KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 4VDC 150uF 20% 9mOhm 6300mArms EEF-KX0G151RE Panasonic Industry 1: HK$25.07 10,500Expected 4/1/2027 New Product	Mfr. Part No. EEF-KX0G151RE Mouser Part No 667-EEF-KX0G151RE New Product	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 150uF 20% 9mOhm 6300mArms Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	10,500Expected 4/1/2027	Cut Tape HK$25.07 HK$18.17 HK$15.70 HK$13.89 View Reel HK$11.51 HK$12.25 HK$11.51 HK$11.51 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		KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 4VDC 180uF 20% 9mOhm 6300mArms EEF-KX0G181RE Panasonic Industry 1: HK$26.88 10,500Expected 4/1/2027 New Product	Mfr. Part No. EEF-KX0G181RE Mouser Part No 667-EEF-KX0G181RE New Product	Panasonic Industry	Aluminium Organic Polymer Capacitors 4VDC 180uF 20% 9mOhm 6300mArms Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	10,500Expected 4/1/2027	Cut Tape HK$26.88 HK$19.89 HK$17.26 HK$15.21 View Reel HK$12.58 HK$13.32 HK$12.58 HK$12.58 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		KX	Reel, Cut Tape, MouseReel
Aluminium Organic Polymer Capacitors 390uF 9mOhm 6300mA EEF-KX0E391RE Panasonic Industry 3,500: HK$13.73 Non-Stocked Lead-Time 43 Weeks	Mfr. Part No. EEF-KX0E391RE Mouser Part No 667-EEF-KX0E391RE	Panasonic Industry	Aluminium Organic Polymer Capacitors 390uF 9mOhm 6300mA Learn More about Panasonic Industry panasonic eef kx capacitors	Datasheet	Non-Stocked Lead-Time 43 Weeks	Reel HK$13.73	Min.: 3,500 Mult.: 3,500 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 %	9 mOhms	6.3 A	- 55 C	+ 125 C	1.9 mm		KX	Reel

EEF-KX Conductive Aluminium Electrolytic Capacitors

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