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4 mm LED - Light Emitting Diodes

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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.	Product Type	Product	Mounting Style	Package/Case	Wavelength/Colour Temperature	Illumination Colour
Single Colour LEDs 4x4mm RA Green PLCC2 AA4040LCGCK-AMT Kingbright 1: HK$6.58 655In Stock	Mfr. Part No. AA4040LCGCK-AMT Mouser Part No 604-AA4040LCGCK-AMT	Kingbright	Single Colour LEDs 4x4mm RA Green PLCC2 Learn More about Kingbright high temperature leds	Datasheet	655In Stock	Cut Tape HK$6.58 HK$4.56 HK$3.25 Reel HK$2.41 HK$2.17 View HK$2.02 HK$1.96 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	574 nm	Green
Single Colour LEDs 4x4mm RA Blue PLCC2 AA4040LQBS/D-AMT Kingbright 1: HK$8.06 685In Stock 2,500Expected 30/11/2026	Mfr. Part No. AA4040LQBS/D-AMT Mouser Part No 604-AA4040LQBS/D-AMT	Kingbright	Single Colour LEDs 4x4mm RA Blue PLCC2 Learn More about Kingbright high temperature leds	Datasheet	685In Stock 2,500Expected 30/11/2026	Cut Tape HK$8.06 HK$5.65 HK$4.17 Reel HK$3.50 HK$3.17 View HK$2.98 HK$2.90 HK$2.72 HK$2.64 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Blue LEDs	SMD/SMT	PLCC-2	460 nm	Blue
Single Colour LEDs 4x4mm RA Green PLCC2 AA4040LZGCKT-AMT Kingbright 1: HK$8.06 1,530In Stock	Mfr. Part No. AA4040LZGCKT-AMT Mouser Part No 604-AA4040LZGCKT-AMT	Kingbright	Single Colour LEDs 4x4mm RA Green PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,530In Stock	Cut Tape HK$8.06 HK$5.65 HK$4.17 Reel HK$3.50 HK$3.17 View HK$2.98 HK$2.90 HK$2.82 HK$2.72 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	515 nm	Green
Single Colour LEDs Green Water Clear 570nm 90mcd AA4040CGSK Kingbright 1: HK$4.03 51,171In Stock	Mfr. Part No. AA4040CGSK Mouser Part No 604-AA4040CGSK	Kingbright	Single Colour LEDs Green Water Clear 570nm 90mcd	Datasheet	51,171In Stock	Cut Tape HK$4.03 HK$2.75 HK$1.97 Reel HK$1.63 HK$1.52 View HK$1.41 HK$1.37 HK$1.34 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	570 nm	Green
Single Colour LEDs Red Water Clear 630nm 450mcd AA4040SURSK Kingbright 1: HK$5.01 28,871In Stock	Mfr. Part No. AA4040SURSK Mouser Part No 604-AA4040SURSK	Kingbright	Single Colour LEDs Red Water Clear 630nm 450mcd Learn More about Kingbright aa4040 smd leds	Datasheet	28,871In Stock	Cut Tape HK$5.01 HK$3.46 HK$2.51 Reel HK$2.07 HK$1.86 View HK$1.73 HK$1.68 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Red LEDs	SMD/SMT	PLCC-2	630 nm	Red
Multi-Colour LEDs Red Green 625 568nm Diffused 50 30mcd WP115VEGW Kingbright 1: HK$4.69 20,299In Stock	Mfr. Part No. WP115VEGW Mouser Part No 604-WP115VEGW	Kingbright	Multi-Colour LEDs Red Green 625 568nm Diffused 50 30mcd	Datasheet	20,299In Stock	HK$4.69 HK$3.23 HK$2.33 HK$1.84 View HK$1.67 HK$1.55 HK$1.47 HK$1.39	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	617 nm, 568 nm	Red, Green
Single Colour LEDs Yellow SIDELED LY A67F-U2CA-36-1 ams OSRAM 1: HK$6.08 8,829In Stock	Mfr. Part No. LY A67F-U2CA-36-1 Mouser Part No 720-LYA67FA9482	ams OSRAM	Single Colour LEDs Yellow SIDELED	Datasheet	8,829In Stock	Cut Tape HK$6.08 HK$4.09 HK$2.90 HK$2.40 Reel HK$1.95 View HK$2.30 HK$1.91 HK$1.64 HK$1.60 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Yellow LEDs	SMD/SMT		590 nm	Yellow
Multi-Colour LEDs 8.7/12mcd 621/569nm Red Orange/Green LTL-10CHJ LITEON 1: HK$3.78 19,189In Stock	Mfr. Part No. LTL-10CHJ Mouser Part No 859-LTL-10CHJ	LITEON	Multi-Colour LEDs 8.7/12mcd 621/569nm Red Orange/Green	Datasheet	19,189In Stock	HK$3.78 HK$2.61 HK$1.87 HK$1.53 View HK$1.41 HK$1.32 HK$1.22 HK$1.15 HK$1.04	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	621 nm, 569 nm	Red-Orange, Green
White LEDs White Lamp 3mm 2600mcd Clr LTW-420D7 LITEON 1: HK$4.44 16,890In Stock	Mfr. Part No. LTW-420D7 Mouser Part No 859-LTW-420D7	LITEON	White LEDs White Lamp 3mm 2600mcd Clr	Datasheet	16,890In Stock	HK$4.44 HK$3.08 HK$2.21 HK$1.83 View HK$1.60 HK$1.51 HK$1.42 HK$1.41 HK$1.24	Min.: 1 Mult.: 1	White LEDs	White LEDs	Through Hole	T-1 (3 mm)	7700 K	White
Single Colour LEDs 4x4mm RA Blue PLCC2 AA4040QBS/D-AMT Kingbright 1: HK$8.06 1,349In Stock	Mfr. Part No. AA4040QBS/D-AMT Mouser Part No 604-AA4040QBS/D-AMT	Kingbright	Single Colour LEDs 4x4mm RA Blue PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,349In Stock	Cut Tape HK$8.06 HK$5.28 HK$4.17 Reel HK$3.50 HK$3.17 View HK$2.97 HK$2.87 HK$2.76 HK$2.67 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Blue LEDs	SMD/SMT	PLCC-2	460 nm	Blue
Single Colour LEDs 4x4mm RA Red PLCC2 AA4040SURCKT-AMT Kingbright 1: HK$6.74 1,887In Stock	Mfr. Part No. AA4040SURCKT-AMT Mouser Part No 604-AA4040SURCKTAMT	Kingbright	Single Colour LEDs 4x4mm RA Red PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,887In Stock	Cut Tape HK$6.74 HK$4.72 HK$3.38 Reel HK$2.87 HK$2.61 View HK$2.44 HK$2.38 HK$2.29 HK$2.24 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Red LEDs	SMD/SMT	PLCC-2	645 nm	Red
Single Colour LEDs 4x4mm RA Green PLCC2 AA4040ZGCKT-AMT Kingbright 1: HK$7.56 1,085In Stock	Mfr. Part No. AA4040ZGCKT-AMT Mouser Part No 604-AA4040ZGCKT-AMT	Kingbright	Single Colour LEDs 4x4mm RA Green PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,085In Stock	Cut Tape HK$7.56 HK$5.36 HK$4.00 Reel HK$3.36 HK$3.17 View HK$2.78 HK$2.71 HK$2.63 HK$2.58 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	515 nm	Green
White LEDs 3W Cool White SMD ASMT-JW32-NWY01 Broadcom / Avago 1: HK$45.29 639In Stock 1,500Expected 9/4/2027	Mfr. Part No. ASMT-JW32-NWY01 Mouser Part No 630-ASMT-JW32-NWY01	Broadcom / Avago	White LEDs 3W Cool White SMD Learn More about Broadcom / Avago broadcom asmt jx3x leds	Datasheet	639In Stock 1,500Expected 9/4/2027	Cut Tape HK$45.29 HK$33.87 HK$25.24 Reel HK$25.24 HK$23.51 View HK$22.44 HK$22.03 MouseReel Available	Min.: 1 Mult.: 1 : 250	White LEDs	White LEDs	SMD/SMT	SMD-6	10000 K	Cool White
Single Colour LEDs Green 570nm Water Clear 70mcd AA4040CGCK Kingbright 1: HK$4.27 1,113In Stock 5,000Expected 23/11/2026	Mfr. Part No. AA4040CGCK Mouser Part No 604-AA4040CGCK	Kingbright	Single Colour LEDs Green 570nm Water Clear 70mcd Learn More about Kingbright aa4040 smd leds	Datasheet	1,113In Stock 5,000Expected 23/11/2026	Cut Tape HK$4.27 HK$2.95 HK$2.15 Reel HK$1.74 HK$1.61 View HK$1.54 HK$1.47 HK$1.44 HK$1.36 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	570 nm	Green
Single Colour LEDs Grn 570nm 120mcd 120deg Water Clr AA4040MGS Kingbright 1: HK$6.41 2,715In Stock	Mfr. Part No. AA4040MGS Mouser Part No 604-AA4040MGS	Kingbright	Single Colour LEDs Grn 570nm 120mcd 120deg Water Clr	Datasheet	2,715In Stock	Cut Tape HK$6.41 HK$4.44 HK$3.22 Reel HK$2.64 HK$2.46 View HK$2.34 HK$2.23 HK$2.06 HK$1.94 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	570 nm	Green
Single Colour LEDs Blue Water Clear 470nm 150mcd AA4040QBS/D Kingbright 1: HK$4.11 6,238In Stock	Mfr. Part No. AA4040QBS/D Mouser Part No 604-AA4040QBS/D	Kingbright	Single Colour LEDs Blue Water Clear 470nm 150mcd Learn More about Kingbright aa4040 smd leds	Datasheet	6,238In Stock	Cut Tape HK$4.11 HK$2.83 HK$2.03 Reel HK$1.68 HK$1.57 View HK$1.45 HK$1.41 HK$1.40 HK$1.39 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Blue LEDs	SMD/SMT	PLCC-2	460 nm	Blue
Single Colour LEDs Blue Water Clear 465nm 300mcd AA4040QBS/G Kingbright 1: HK$9.04 3,832In Stock	Mfr. Part No. AA4040QBS/G Mouser Part No 604-AA4040QBS/G	Kingbright	Single Colour LEDs Blue Water Clear 465nm 300mcd Learn More about Kingbright aa4040 smd leds	Datasheet	3,832In Stock	Cut Tape HK$9.04 HK$5.76 HK$4.64 Reel HK$3.82 HK$3.59 View HK$3.37 HK$3.11 HK$3.00 HK$2.93 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Blue LEDs	SMD/SMT	PLCC-2	465 nm	Blue
Single Colour LEDs Green Water Clear 568nm 30mcd AA4040SGS Kingbright 1: HK$6.41 1,247In Stock 10,000Expected 2/11/2026	Mfr. Part No. AA4040SGS Mouser Part No 604-AA4040SGS	Kingbright	Single Colour LEDs Green Water Clear 568nm 30mcd	Datasheet	1,247In Stock 10,000Expected 2/11/2026	Cut Tape HK$6.41 HK$4.23 HK$2.83 Reel HK$1.70 HK$1.61 View HK$1.55 HK$1.46 HK$1.33 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	568 nm	Green
Single Colour LEDs Red 630nm Water Clear 250mcd AA4040SURCK Kingbright 1: HK$5.10 4,240In Stock	Mfr. Part No. AA4040SURCK Mouser Part No 604-AA4040SURCK	Kingbright	Single Colour LEDs Red 630nm Water Clear 250mcd	Datasheet	4,240In Stock	Cut Tape HK$5.10 HK$3.53 HK$2.53 Reel HK$2.09 HK$1.89 View HK$1.76 HK$1.68 HK$1.61 HK$1.55	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Red LEDs	SMD/SMT	PLCC-2	630 nm	Red
Single Colour LEDs Yellow Water Clear 588nm 15mcd AA4040YS Kingbright 1: HK$3.86 1,864In Stock	Mfr. Part No. AA4040YS Mouser Part No 604-AA4040YS	Kingbright	Single Colour LEDs Yellow Water Clear 588nm 15mcd	Datasheet	1,864In Stock	Cut Tape HK$3.86 HK$2.65 HK$1.90 Reel HK$1.55 HK$1.38 View HK$1.28 HK$1.24 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Yellow LEDs	SMD/SMT	PLCC-2	588 nm	Yellow
Single Colour LEDs Green Water Clear 525nm 800mcd AA4040ZGS Kingbright 1: HK$5.75 5,447In Stock	Mfr. Part No. AA4040ZGS Mouser Part No 604-AA4040ZGS	Kingbright	Single Colour LEDs Green Water Clear 525nm 800mcd Learn More about Kingbright aa4040 smd leds	Datasheet	5,447In Stock	Cut Tape HK$5.75 HK$3.99 HK$2.90 Reel HK$2.43 HK$2.27 View HK$2.14 HK$2.09 HK$2.08 HK$2.02 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	515 nm	Green
Single Colour LEDs Grn Diffused 568nm 25mcd 60deg angle WP115A10GD Kingbright 1: HK$2.14 8,134In Stock	Mfr. Part No. WP115A10GD Mouser Part No 604-WP115A10GD	Kingbright	Single Colour LEDs Grn Diffused 568nm 25mcd 60deg angle	Datasheet	8,134In Stock	HK$2.14 HK$1.48 HK$1.04 HK$0.838 View HK$0.764 HK$0.707 HK$0.649 HK$0.608 HK$0.567	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole	T-1 (3 mm)	568 nm	Green
Single Colour LEDs Grn Trnsparent 568nm 50mcd 50deg angle WP115A10GT Kingbright 1: HK$2.14 1,313In Stock	Mfr. Part No. WP115A10GT Mouser Part No 604-WP115A10GT	Kingbright	Single Colour LEDs Grn Trnsparent 568nm 50mcd 50deg angle	Datasheet	1,313In Stock	HK$2.14 HK$1.48 HK$1.04 HK$0.838 View HK$0.806 HK$0.707 HK$0.649 HK$0.608 HK$0.567	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole		568 nm	Green
Multi-Colour LEDs Grn Yellow 568 588nm Diffused 30 15mcd WP115VGYW Kingbright 1: HK$4.93 2,074In Stock	Mfr. Part No. WP115VGYW Mouser Part No 604-WP115VGYW	Kingbright	Multi-Colour LEDs Grn Yellow 568 588nm Diffused 30 15mcd	Datasheet	2,074In Stock	HK$4.93 HK$3.38 HK$2.41 HK$1.98 View HK$1.78 HK$1.66 HK$1.54 HK$1.50 HK$1.41	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	588 nm, 568 nm	Yellow, Green
Multi-Colour LEDs RED/GRN WHT DIFF WP115WEGW Kingbright 1: HK$4.11 8,893In Stock	Mfr. Part No. WP115WEGW Mouser Part No 604-WP115WEGW	Kingbright	Multi-Colour LEDs RED/GRN WHT DIFF	Datasheet	8,893In Stock	HK$4.11 HK$2.85 HK$1.93 HK$1.53 View HK$1.41 HK$1.36 HK$1.27 HK$1.22 HK$1.15	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	617 nm, 568 nm	Red, Green