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4 mm LED - Light Emitting Diodes

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Types of LED - Light Emitting Diodes

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Width = 4 mm

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 Yellow Water Clear 590nm 250mcd AA4040SYSK Kingbright 1: £0.555 33,416In Stock	Mfr. Part No. AA4040SYSK Mouser Part No 604-AA4040SYSK	Kingbright	Single Colour LEDs Yellow Water Clear 590nm 250mcd Learn More about Kingbright aa4040 smd leds	Datasheet	33,416In Stock	Cut Tape £0.555 £0.38 £0.318 Reel £0.317 £0.31 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Yellow LEDs	SMD/SMT	PLCC-2	590 nm	Yellow
Single Colour LEDs 4x4mm RA Blue PLCC2 AA4040LQBS/D-AMT Kingbright 1: £0.736 685In Stock 2,500Expected 14/12/2026	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 14/12/2026	Cut Tape £0.736 £0.516 £0.381 Reel £0.32 £0.29 View £0.272 £0.265 £0.249 £0.241 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: £0.736 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 £0.736 £0.516 £0.381 Reel £0.32 £0.29 View £0.272 £0.265 £0.258 £0.249 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: £0.368 53,391In Stock	Mfr. Part No. AA4040CGSK Mouser Part No 604-AA4040CGSK	Kingbright	Single Colour LEDs Green Water Clear 570nm 90mcd	Datasheet	53,391In Stock	Cut Tape £0.368 £0.251 £0.18 Reel £0.148 £0.139 View £0.129 £0.126 £0.122 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: £0.458 29,201In 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	29,201In Stock	Cut Tape £0.458 £0.316 £0.229 Reel £0.189 £0.169 View £0.158 £0.153 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: £0.428 20,644In Stock	Mfr. Part No. WP115VEGW Mouser Part No 604-WP115VEGW	Kingbright	Multi-Colour LEDs Red Green 625 568nm Diffused 50 30mcd	Datasheet	20,644In Stock	£0.428 £0.295 £0.212 £0.168 View £0.153 £0.141 £0.134 £0.127	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: £0.555 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 £0.555 £0.373 £0.265 £0.219 Reel £0.178 View £0.21 £0.175 £0.15 £0.147 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: £0.346 20,189In 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	20,189In Stock	£0.346 £0.238 £0.17 £0.14 View £0.129 £0.12 £0.111 £0.105 £0.095	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: £0.405 17,000In Stock	Mfr. Part No. LTW-420D7 Mouser Part No 859-LTW-420D7	LITEON	White LEDs White Lamp 3mm 2600mcd Clr	Datasheet	17,000In Stock	£0.405 £0.282 £0.202 £0.168 View £0.147 £0.138 £0.13 £0.129 £0.113	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: £0.736 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 £0.736 £0.482 £0.381 Reel £0.32 £0.29 View £0.271 £0.262 £0.252 £0.244 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: £0.615 1,891In 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	1,891In Stock	Cut Tape £0.615 £0.431 £0.308 Reel £0.262 £0.238 View £0.223 £0.217 £0.21 £0.205 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: £0.691 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 £0.691 £0.49 £0.366 Reel £0.307 £0.29 View £0.254 £0.248 £0.24 £0.236 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: £4.14 639In Stock 1,500Expected 09/04/2027	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 09/04/2027	Cut Tape £4.14 £3.09 £2.30 Reel £2.30 £2.15 View £2.05 £2.01 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: £0.39 1,125In Stock 5,000Expected 21/12/2026	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	1,125In Stock 5,000Expected 21/12/2026	Cut Tape £0.39 £0.27 £0.196 Reel £0.18 £0.162 View £0.152 £0.143 £0.135 £0.126 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: £0.586 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 £0.586 £0.405 £0.294 Reel £0.241 £0.224 View £0.214 £0.203 £0.189 £0.177 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: £0.375 6,353In 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	6,353In Stock	Cut Tape £0.375 £0.258 £0.185 Reel £0.153 £0.143 View £0.133 £0.129 £0.127 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: £0.826 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 £0.826 £0.526 £0.424 Reel £0.349 £0.328 View £0.308 £0.284 £0.274 £0.267 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 AA4040SGC Kingbright 1: £0.421 89In Stock 2,000Expected 16/12/2026	Mfr. Part No. AA4040SGC Mouser Part No 604-AA4040SGC	Kingbright	Single Colour LEDs GREEN WATER CLEAR	Datasheet	89In Stock 2,000Expected 16/12/2026	Cut Tape £0.421 £0.29 £0.21 Reel £0.176 £0.162 View £0.142 £0.139 £0.135 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	568 nm	Green
Single Colour LEDs Green Water Clear 568nm 30mcd AA4040SGS Kingbright 1: £0.586 2,247In Stock 10,000Expected 02/11/2026	Mfr. Part No. AA4040SGS Mouser Part No 604-AA4040SGS	Kingbright	Single Colour LEDs Green Water Clear 568nm 30mcd	Datasheet	2,247In Stock 10,000Expected 02/11/2026	Cut Tape £0.586 £0.386 £0.258 Reel £0.155 £0.148 View £0.141 £0.134 £0.121 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: £0.465 4,250In Stock	Mfr. Part No. AA4040SURCK Mouser Part No 604-AA4040SURCK	Kingbright	Single Colour LEDs Red 630nm Water Clear 250mcd	Datasheet	4,250In Stock	Cut Tape £0.465 £0.322 £0.231 Reel £0.19 £0.173 View £0.161 £0.153 £0.148 £0.141	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: £0.353 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 £0.353 £0.242 £0.174 Reel £0.142 £0.126 View £0.117 £0.113 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: £0.526 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 £0.526 £0.364 £0.265 Reel £0.223 £0.207 View £0.196 £0.19 £0.185 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: £0.196 134In Stock 8,000Expected 30/10/2026	Mfr. Part No. WP115A10GD Mouser Part No 604-WP115A10GD	Kingbright	Single Colour LEDs Grn Diffused 568nm 25mcd 60deg angle	Datasheet	134In Stock 8,000Expected 30/10/2026	£0.196 £0.135 £0.095 £0.077 View £0.07 £0.065 £0.059 £0.056 £0.052	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: £0.196 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	£0.196 £0.135 £0.095 £0.077 View £0.073 £0.065 £0.059 £0.056 £0.052	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: £0.45 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	£0.45 £0.308 £0.22 £0.181 View £0.163 £0.152 £0.141 £0.137 £0.129	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	588 nm, 568 nm	Yellow, Green