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4 mm 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
Multi-Colour LEDs RED/GRN WHT DIFF WP115WEGW Kingbright 1: £0.375 8,905In Stock	Mfr. Part No. WP115WEGW Mouser Part No 604-WP115WEGW	Kingbright	Multi-Colour LEDs RED/GRN WHT DIFF	Datasheet	8,905In Stock	£0.375 £0.26 £0.176 £0.14 View £0.128 £0.125 £0.116 £0.112 £0.105	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	617 nm, 568 nm	Red, Green
Multi-Colour LEDs Red Yellow 625 588nm Diffused 40 20mcd WP115WEYW Kingbright 1: £0.278 4,049In Stock 20,000Expected 30/10/2026	Mfr. Part No. WP115WEYW Mouser Part No 604-WP115WEYW	Kingbright	Multi-Colour LEDs Red Yellow 625 588nm Diffused 40 20mcd	Datasheet	4,049In Stock 20,000Expected 30/10/2026	£0.278 £0.189 £0.134 £0.109 View £0.094 £0.086 £0.078 £0.073	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	617 nm,588 nm	Red, Yellow
Single Colour LEDs Grn 30mcd 568nm 60 deg Diffused WP3A10GD Kingbright 1: £0.196 2,538In Stock 20,000Expected 30/10/2026	Mfr. Part No. WP3A10GD Mouser Part No 604-WP3A10GD	Kingbright	Single Colour LEDs Grn 30mcd 568nm 60 deg Diffused	Datasheet	2,538In Stock 20,000Expected 30/10/2026	£0.196 £0.133 £0.086 £0.067 View £0.061 £0.057 £0.052 £0.048	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole	T-1 (3 mm)	568 nm	Green
Single Colour LEDs Red 30mcd 625nm 60 deg Diffused WP3A10ID Kingbright 1: £0.196 6,447In Stock	Mfr. Part No. WP3A10ID Mouser Part No 604-WP3A10ID	Kingbright	Single Colour LEDs Red 30mcd 625nm 60 deg Diffused	Datasheet	6,447In Stock	£0.196 £0.133 £0.093 £0.075 View £0.061 £0.058 £0.052 £0.051 £0.047	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole	T-1 (3 mm)	617 nm	Red
Single Colour LEDs Yel 15mcd 588mcd 60 deg Diffused WP3A10YD Kingbright 1: £0.196 1,129In Stock	Mfr. Part No. WP3A10YD Mouser Part No 604-WP3A10YD	Kingbright	Single Colour LEDs Yel 15mcd 588mcd 60 deg Diffused	Datasheet	1,129In Stock	£0.196 £0.133 £0.093 £0.075 View £0.068 £0.063 £0.057 £0.054 £0.051	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	588 nm	Yellow
Single Colour LEDs Green 568nm Diffused 20mcd WP3A8GD Kingbright 1: £0.173 26,041In Stock	Mfr. Part No. WP3A8GD Mouser Part No 604-WP3A8GD	Kingbright	Single Colour LEDs Green 568nm Diffused 20mcd	Datasheet	26,041In Stock	£0.173 £0.115 £0.081 £0.065 View £0.057 £0.054 £0.05 £0.045 £0.043	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole	T-1 (3 mm)	568 nm	Green
Single Colour LEDs Red 625nm Diffused 25mcd WP3A8ID Kingbright 1: £0.18 4,132In Stock 14,000Expected 29/10/2026	Mfr. Part No. WP3A8ID Mouser Part No 604-WP3A8ID	Kingbright	Single Colour LEDs Red 625nm Diffused 25mcd	Datasheet	4,132In Stock 14,000Expected 29/10/2026	£0.18 £0.123 £0.086 £0.069 View £0.063 £0.058 £0.052 £0.05 £0.045	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole	T-1 (3 mm)	617 nm	Red
Single Colour LEDs Yellow 588nm Diffused 15mcd WP3A8YD Kingbright 1: £0.21 1,828In Stock	Mfr. Part No. WP3A8YD Mouser Part No 604-WP3A8YD	Kingbright	Single Colour LEDs Yellow 588nm Diffused 15mcd	Datasheet	1,828In Stock	£0.21 £0.143 £0.10 £0.081 View £0.073 £0.067 £0.062 £0.058 £0.052	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	588 nm	Yellow
Multi-Colour LEDs Red/Green Diffused 625/568nm 40/35mcd WP3VEGW Kingbright 1: £0.375 10,164In Stock 21,500Expected 02/12/2026	Mfr. Part No. WP3VEGW Mouser Part No 604-WP3VEGW	Kingbright	Multi-Colour LEDs Red/Green Diffused 625/568nm 40/35mcd	Datasheet	10,164In Stock 21,500Expected 02/12/2026	£0.375 £0.256 £0.184 £0.137 View £0.127 £0.123 £0.116 £0.108 £0.103	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	617 nm, 568 nm	Red, Green
Multi-Colour LEDs Grn/Yellow Diffused 568/588nm 35/15mcd WP3VGYW Kingbright 1: £0.436 1,260In Stock	Mfr. Part No. WP3VGYW Mouser Part No 604-WP3VGYW	Kingbright	Multi-Colour LEDs Grn/Yellow Diffused 568/588nm 35/15mcd	Datasheet	1,260In Stock	£0.436 £0.319 £0.23 £0.199 View £0.182 £0.161 £0.15 £0.142 £0.134	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	588 nm, 568 nm	Yellow, Green
Single Colour LEDs Red SIDELED LR A67F-U2BB-1-1 ams OSRAM 1: £0.548 5,106In Stock	Mfr. Part No. LR A67F-U2BB-1-1 Mouser Part No 720-LRA67FA9481	ams OSRAM	Single Colour LEDs Red SIDELED	Datasheet	5,106In Stock	Cut Tape £0.548 £0.373 £0.265 £0.218 Reel £0.189 View £0.201 £0.175 £0.163 £0.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Red LEDs	SMD/SMT		625 nm	Red
Single Colour LEDs Red SIDELED LS A67F-U2BA-1-3A4B ams OSRAM 1: £0.555 5,508In Stock	Mfr. Part No. LS A67F-U2BA-1-3A4B Mouser Part No 720-LSA67FA9480	ams OSRAM	Single Colour LEDs Red SIDELED	Datasheet	5,508In 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	Red LEDs	SMD/SMT		633 nm	Red
Single Colour LEDs Green Diffused LTL-4231 LITEON 1: £0.158 5,948In Stock 38,000On Order	Mfr. Part No. LTL-4231 Mouser Part No 859-LTL-4231	LITEON	Single Colour LEDs Green Diffused	Datasheet	5,948In Stock 38,000On Order On Order Ship Dates Mfr. No: LTL-4231 Stock: 5,948 Can Dispatch Immediately On Order: 13,000 Expected 26/10/2026 25,000 Expected 23/11/2026 Factory Lead Time: 10 Weeks	£0.158 £0.105 £0.071 £0.058 View £0.051 £0.048 £0.043 £0.04 £0.036	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole	T-1 (3 mm)	565 nm	Green
Single Colour LEDs Green Transparent LTL-4232 LITEON 1: £0.158 8,943In Stock	Mfr. Part No. LTL-4232 Mouser Part No 859-LTL-4232	LITEON	Single Colour LEDs Green Transparent	Datasheet	8,943In Stock	£0.158 £0.105 £0.073 £0.058 View £0.051 £0.047 £0.045 £0.041 £0.035	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole	T-1 (3 mm)	569 nm	Green
Single Colour LEDs Yellow Diffused LTL-4251 LITEON 1: £0.158 23,150In Stock	Mfr. Part No. LTL-4251 Mouser Part No 859-LTL-4251	LITEON	Single Colour LEDs Yellow Diffused	Datasheet	23,150In Stock	£0.158 £0.105 £0.071 £0.058 View £0.051 £0.048 £0.047 £0.045 £0.036	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	585 nm	Yellow
Single Colour LEDs Yellow Transparent LTL-4252 LITEON 1: £0.158 4,032In Stock	Mfr. Part No. LTL-4252 Mouser Part No 859-LTL-4252	LITEON	Single Colour LEDs Yellow Transparent	Datasheet	4,032In Stock	£0.158 £0.105 £0.073 £0.058 View £0.053 £0.049 £0.043 £0.04 £0.037	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	588 nm	Yellow
Single Colour LEDs Orange Water Clear 601nm 400mcd AA4040SESK Kingbright 1: £0.421 1,411In Stock	Mfr. Part No. AA4040SESK Mouser Part No 604-AA4040SESK	Kingbright	Single Colour LEDs Orange Water Clear 601nm 400mcd Learn More about Kingbright aa4040 smd leds	Datasheet	1,411In Stock	Cut Tape £0.421 £0.285 £0.206 Reel £0.162 £0.151 View £0.144 £0.14 £0.137 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Orange LEDs	SMD/SMT	PLCC-2	610 nm	Orange
Single Colour LEDs Amber 588nm 12mcd 60deg diffused WP3A10AD Kingbright 1: £0.285 5,462In Stock	Mfr. Part No. WP3A10AD Mouser Part No 604-WP3A10AD	Kingbright	Single Colour LEDs Amber 588nm 12mcd 60deg diffused	Datasheet	5,462In Stock	£0.285 £0.196 £0.14 £0.106 View £0.10 £0.093 £0.073 £0.067	Min.: 1 Mult.: 1	Single Color LEDs	Amber LEDs	Through Hole	T-1 (3 mm)	588 nm	Amber
Single Colour LEDs 3.2MM 610NM ORN DIFF SLR-332DU3F ROHM Semiconductor 1: £0.405 1,279In Stock	Mfr. Part No. SLR-332DU3F Mouser Part No 755-SLR-332DU3F	ROHM Semiconductor	Single Colour LEDs 3.2MM 610NM ORN DIFF Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	1,279In Stock	Cut Tape £0.405 £0.282 £0.202 £0.182 Reel £0.143 View £0.168 £0.13 £0.126 £0.118	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Orange LEDs	Through Hole		610 nm	Orange
Single Colour LEDs 3.2MM 563NM GRN TRANSP SLR-332MC3F ROHM Semiconductor 1: £0.368 697In Stock 2,000Expected 25/01/2027	Mfr. Part No. SLR-332MC3F Mouser Part No 755-SLR-332MC3F	ROHM Semiconductor	Single Colour LEDs 3.2MM 563NM GRN TRANSP Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	697In Stock 2,000Expected 25/01/2027	Cut Tape £0.368 £0.252 £0.181 £0.148 Reel £0.128 View £0.137 £0.116 £0.112 £0.107	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Green LEDs	Through Hole		563 nm	Yellow-Green
Single Colour LEDs 3.2mm2.5mm GRN DIFF SLR-332MGT32 ROHM Semiconductor 1: £0.405 3,275In Stock	Mfr. Part No. SLR-332MGT32 Mouser Part No 755-SLR-332MGT32	ROHM Semiconductor	Single Colour LEDs 3.2mm2.5mm GRN DIFF Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	3,275In Stock	Cut Tape £0.405 £0.282 £0.203 £0.167 Reel £0.138 View £0.126 £0.115	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Green LEDs	Through Hole		563 nm	Green
Single Colour LEDs RED RED DIFF LENS 2.5mm PITCH SLR-332VR3F ROHM Semiconductor 1: £0.428 5,376In Stock	Mfr. Part No. SLR-332VR3F Mouser Part No 755-SLR-332VR3F	ROHM Semiconductor	Single Colour LEDs RED RED DIFF LENS 2.5mm PITCH Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	5,376In Stock	£0.428 £0.29 £0.208 £0.17 View £0.158 £0.148 £0.136 £0.128 £0.12	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole		650 nm	Red
Single Colour LEDs 3.2MM 585NM YEL TRANSP SLR-332YC3F ROHM Semiconductor 1: £0.405 1,335In Stock	Mfr. Part No. SLR-332YC3F Mouser Part No 755-SLR-332YC3F	ROHM Semiconductor	Single Colour LEDs 3.2MM 585NM YEL TRANSP Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	1,335In Stock	£0.405 £0.276 £0.199 £0.163 View £0.153 £0.142 £0.129 £0.125 £0.116	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole		585 nm	Yellow
Single Colour LEDs 3.2MM 585NMYEL DIFF SLR-332YY3F ROHM Semiconductor 1: £0.428 1,681In Stock	Mfr. Part No. SLR-332YY3F Mouser Part No 755-SLR-332YY3F	ROHM Semiconductor	Single Colour LEDs 3.2MM 585NMYEL DIFF Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	1,681In Stock	£0.428 £0.29 £0.207 £0.17 View £0.156 £0.142 £0.129 £0.125 £0.116	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole		585 nm	Yellow
Single Colour LEDs Red Diffused LITEON LTL-4211 LTL-4211 LITEON 1: £0.158 2,466In Stock	Mfr. Part No. LTL-4211 Mouser Part No 859-LTL-4211	LITEON	Single Colour LEDs Red Diffused	Datasheet	2,466In Stock	£0.158 £0.105 £0.073 £0.058 View £0.052 £0.049 £0.044 £0.039 £0.036	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole	T-1 (3 mm)	657 nm	Red