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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
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Grn 3BC-3-F Bivar 1: £0.578 799In Stock	Mfr. Part No. 3BC-3-F Mouser Part No 749-3BC-3-F	Bivar	Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Grn	Datasheet	799In Stock	£0.578 £0.40 £0.291 £0.241 View £0.212 £0.196 £0.187 £0.177	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	625 nm, 568 nm	Red, Green
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Yel 3BC-3-R/Y-F Bivar 1: £0.615 799In Stock	Mfr. Part No. 3BC-3-R/Y-F Mouser Part No 749-3BC-3-R/Y-F	Bivar	Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Yel	Datasheet	799In Stock	£0.615 £0.415 £0.293 £0.243 View £0.223 £0.209 £0.172 £0.168	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	625 nm, 590 nm	Red, Yellow
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn 3BC-3-Y/G-F Bivar 1: £0.615 1,261In Stock	Mfr. Part No. 3BC-3-Y/G-F Mouser Part No 749-3BC-3-Y/G-F	Bivar	Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn	Datasheet	1,261In Stock	£0.615 £0.415 £0.321 £0.313 View £0.282 £0.203 £0.172	Min.: 1 Mult.: 1	Multi-Color LEDs	Bi-Color LEDs	Through Hole	T-1 (3 mm)	590 nm, 568 nm	Yellow, Green
Single Colour LEDs LED PMI SSL-LX30S54YD Lumex 1: £0.421 395In Stock	Mfr. Part No. SSL-LX30S54YD Mouser Part No 696-SSL-LX30S54YD	Lumex	Single Colour LEDs LED PMI	Datasheet	395In Stock	£0.421 £0.276 £0.185 £0.132 View £0.112 £0.108 £0.101 £0.095 £0.087	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	585 nm	Yellow
Single Colour LEDs AllnGaP 204-10SURT/S530-A3 Everlight Restricted Availability	Mfr. Part No. 204-10SURT/S530-A3 Mouser Part No 638-20410SURTS530A3	Everlight	Single Colour LEDs AllnGaP Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	Single Color LEDs	Red LEDs	Through Hole	T-1 (3 mm)	624 nm	Red
Multi-Colour LEDs 4x4mm RA Red/Green PLCC2 AA4040R3G2CT/R-10MAT Kingbright 1: £1.13 Lead-Time 10 Weeks	Mfr. Part No. AA4040R3G2CT/R-10MAT Mouser Part No 604-AA4040R3G2CT/R10	Kingbright	Multi-Colour LEDs 4x4mm RA Red/Green PLCC2 Learn More about Kingbright high temperature leds	Datasheet	Lead-Time 10 Weeks	Cut Tape £1.13 £0.89 £0.667 Reel £0.57 £0.539 View £0.512 £0.49 £0.423 MouseReel Available	Min.: 1 Mult.: 1 : 500	Multi-Color LEDs	Bi-Color LEDs	SMD/SMT	PLCC-2	575 nm, 640 nm	Red, Green
Infrared Emitters Emitter Clear 940nm LTE-209 LITEON 1: £0.48 36,109On Order	Mfr. Part No. LTE-209 Mouser Part No 859-LTE-209	LITEON	Infrared Emitters Emitter Clear 940nm Learn More about LITEON ir leds	Datasheet	36,109On Order On Order Ship Dates Mfr. No: LTE-209 Stock: 0 On Order: 3,109 Expected 26/10/2026 2,000 Expected 02/11/2026 10,000 Expected 13/01/2027 21,000 Expected 18/01/2027 Factory Lead Time: 26 Weeks	£0.48 £0.313 £0.209 £0.144 View £0.127 £0.116 £0.107 £0.101 £0.095	Min.: 1 Mult.: 1	IR Emitters (IR LEDs)		Through Hole	T-1 (3 mm)		Infrared
Single Colour LEDs 4x4mm RA Red PLCC2 AA4040LSURCKT-AMT Kingbright 1: £0.615 5,219Expected 12/11/2026	Mfr. Part No. AA4040LSURCKT-AMT Mouser Part No 604-AA4040LSURCKTAMT	Kingbright	Single Colour LEDs 4x4mm RA Red PLCC2 Learn More about Kingbright high temperature leds	Datasheet	5,219Expected 12/11/2026	Cut Tape £0.615 £0.431 £0.316 Reel £0.27 £0.238 View £0.223 £0.217 £0.206 £0.201 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Red LEDs	SMD/SMT	PLCC-2	645 nm	Red
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040LSYCKT/J3-AMT Kingbright 1: £0.736 1,497Expected 23/11/2026	Mfr. Part No. AA4040LSYCKT/J3-AMT Mouser Part No 604-AA4040LSYCKTJ3AM	Kingbright	Single Colour LEDs 4x4mm RA Yellow PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,497Expected 23/11/2026	Cut Tape £0.736 £0.516 £0.381 Reel £0.307 £0.291 View £0.278 £0.272 £0.264 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Yellow LEDs	SMD/SMT	PLCC-2	590 nm	Yellow
Single Colour LEDs AA4040SYSK/J3 Kingbright 1: £0.691 2,500Expected 28/12/2026	Mfr. Part No. AA4040SYSK/J3 Mouser Part No 604-AA4040SYSK/J3	Kingbright	Single Colour LEDs Learn More about Kingbright aa4040 smd leds	Datasheet	2,500Expected 28/12/2026	Cut Tape £0.691 £0.481 £0.354 Reel £0.298 £0.27 View £0.252 £0.245 £0.24 £0.232 MouseReel Available	Min.: 1 Mult.: 1 : 500	Multi-Color LEDs	Yellow LEDs	SMD/SMT	PLCC-2	590 nm	Yellow
Single Colour LEDs Green Water Clear 525nm 1200mcd AA4040ZGS/G Kingbright 1: £0.796 3,000On Order	Mfr. Part No. AA4040ZGS/G Mouser Part No 604-AA4040ZGS/G	Kingbright	Single Colour LEDs Green Water Clear 525nm 1200mcd Learn More about Kingbright aa4040 smd leds	Datasheet	3,000On Order On Order Ship Dates Mfr. No: AA4040ZGS/G Stock: 0 On Order: 1,000 Expected 29/10/2026 2,000 Expected 12/11/2026 Factory Lead Time: 10 Weeks	Cut Tape £0.796 £0.559 £0.415 Reel £0.349 £0.317 View £0.298 £0.291	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Green LEDs	SMD/SMT	PLCC-2	525 nm	Green
Single Colour LEDs Yel Diffused 588nm 15mcd 60deg angle WP115A10YD Kingbright 1: £0.196 5,321On Order	Mfr. Part No. WP115A10YD Mouser Part No 604-WP115A10YD	Kingbright	Single Colour LEDs Yel Diffused 588nm 15mcd 60deg angle	Datasheet	5,321On Order On Order Ship Dates Mfr. No: WP115A10YD Stock: 0 On Order: 1,321 Expected 23/11/2026 4,000 Expected 27/11/2026 Factory Lead Time: 7 Weeks	£0.196 £0.135 £0.095 £0.092 View £0.073 £0.069 £0.059 £0.056 £0.052	Min.: 1 Mult.: 1	Single Color LEDs	Yellow LEDs	Through Hole	T-1 (3 mm)	588 nm	Yellow
Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd WP115VEYW Kingbright 1: £0.458 1,974Expected 19/11/2026	Mfr. Part No. WP115VEYW Mouser Part No 604-WP115VEYW	Kingbright	Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd	Datasheet	1,974Expected 19/11/2026	£0.458 £0.319 £0.23 £0.19 View £0.167 £0.162 £0.151 £0.142 £0.133	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 4x4mm RA Yellow PLCC2 AA4040SYCKT/J3-AMT Kingbright 1: £0.736 1,944Expected 12/11/2026	Mfr. Part No. AA4040SYCKT/J3-AMT Mouser Part No 604-AA4040SYCKTJ3AMT	Kingbright	Single Colour LEDs 4x4mm RA Yellow PLCC2 Learn More about Kingbright high temperature leds	Datasheet	1,944Expected 12/11/2026	Cut Tape £0.736 £0.516 £0.381 Reel £0.32 £0.29 View £0.272 £0.265 £0.252 £0.247 MouseReel Available	Min.: 1 Mult.: 1 : 500	Single Color LEDs	Yellow LEDs	SMD/SMT	PLCC-2	590 nm	Yellow
Single Colour LEDs GREEN GRN DIFF LENS 2.5mm PITCH SLR-332MG3F ROHM Semiconductor 1: £0.428 5,926Expected 09/02/2027	Mfr. Part No. SLR-332MG3F Mouser Part No 755-SLR-332MG3F	ROHM Semiconductor	Single Colour LEDs GREEN GRN DIFF LENS 2.5mm PITCH Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	5,926Expected 09/02/2027	£0.428 £0.29 £0.207 £0.17 View £0.156 £0.147 £0.136 £0.126 £0.116	Min.: 1 Mult.: 1	Single Color LEDs	Green LEDs	Through Hole		563 nm	Green
Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH SLR-332VC3F ROHM Semiconductor 1: £0.428 3,997On Order	Mfr. Part No. SLR-332VC3F Mouser Part No 755-SLR-332VC3F	ROHM Semiconductor	Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	3,997On Order On Order Ship Dates Mfr. No: SLR-332VC3F Stock: 0 On Order: 1,997 Expected 08/12/2026 2,000 Expected 28/12/2026 Factory Lead Time: 17 Weeks	£0.428 £0.29 £0.207 £0.17 View £0.156 £0.147 £0.136 £0.126 £0.116	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole		650 nm	Red
Single Colour LEDs 3.2mm2.5mm RED DIFF SLR-332VRT32 ROHM Semiconductor 1: £0.488 1,979Expected 27/01/2027	Mfr. Part No. SLR-332VRT32 Mouser Part No 755-SLR-332VRT32	ROHM Semiconductor	Single Colour LEDs 3.2mm2.5mm RED DIFF Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	1,979Expected 27/01/2027	Cut Tape £0.488 £0.335 £0.241 £0.182 Reel £0.142 View £0.168 £0.129 £0.119	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Red LEDs	Through Hole		650 nm	Red
Single Colour LEDs 3.2mm2.5mm GRN CLR ROHM Semiconductor SLR-332MCT32 SLR-332MCT32 ROHM Semiconductor 1: £0.601 2,000Expected 24/12/2026	Mfr. Part No. SLR-332MCT32 Mouser Part No 755-SLR-332MCT32	ROHM Semiconductor	Single Colour LEDs 3.2mm2.5mm GRN CLR Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	2,000Expected 24/12/2026	Cut Tape £0.601 £0.394 £0.264 £0.182 Reel £0.138 View £0.168 £0.126 £0.115	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Green LEDs	Through Hole		563 nm	Green
Single Colour LEDs LA A67F LA A67F-AACA-24-1 ams OSRAM 1: £0.555 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. LA A67F-AACA-24-1 Mouser Part No 720-LAA67FA9931	ams OSRAM	Single Colour LEDs LA A67F	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £0.555 £0.373 £0.265 £0.219 Reel £0.178 View £0.21 £0.143 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Amber LEDs	SMD/SMT		617 nm	Amber
Single Colour LEDs S RED SMD LED SIDELED Q65112A9480 ams OSRAM 1: £0.548 Non-Stocked Lead-Time 8 Weeks New At Mouser	Mfr. Part No. Q65112A9480 Mouser Part No 720-Q65112A9480 New At Mouser	ams OSRAM	Single Colour LEDs S RED SMD LED SIDELED	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £0.548 £0.373 £0.265 £0.218 Reel £0.189 View £0.201 £0.175 £0.163 £0.15	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Red LEDs	SMD/SMT		633 nm	Red
Single Colour LEDs RED SMD LED SIDELED Q65112A9481 ams OSRAM 1: £0.548 Non-Stocked Lead-Time 8 Weeks New At Mouser	Mfr. Part No. Q65112A9481 Mouser Part No 720-Q65112A9481 New At Mouser	ams OSRAM	Single Colour LEDs RED SMD LED SIDELED	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £0.548 £0.373 £0.265 £0.218 Reel £0.189 View £0.201 £0.175 £0.163 £0.15	Min.: 1 Mult.: 1 : 2,000	Single Color LEDs	Red LEDs	SMD/SMT		625 nm	Red
White LEDs White OSLON Boost KW CULPM1.TG-Z6RF7-ebvFfcbB46-65G5-F00-S ams OSRAM 2,000: £4.02 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. KW CULPM1.TG-Z6RF7-ebvFfcbB46-65G5-F00-S Mouser Part No 720-W6RF7FB465G5FS	ams OSRAM	White LEDs White OSLON Boost	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £4.02	Min.: 2,000 Mult.: 2,000 : 2,000	White LEDs	White LEDs	SMD/SMT			Cool White
Single Colour LEDs Red/Diffused 617-629nm520mcd LTL4HMEPADS LITEON 12,000: £0.06 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTL4HMEPADS Mouser Part No 859-LTL4HMEPADS	LITEON	Single Colour LEDs Red/Diffused 617-629nm520mcd Learn More about LITEON lamp signboard leds	Datasheet	Non-Stocked Lead-Time 12 Weeks	£0.06 £0.058	Min.: 12,000 Mult.: 500	Single Color LEDs	Red LEDs	Through Hole		624 nm	Red
Single Colour LEDs Red/Diffused 619-630nm680mcd LTL4VMEPADS LITEON 1: £0.465 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. LTL4VMEPADS Mouser Part No 859-LTL4VMEPADS	LITEON	Single Colour LEDs Red/Diffused 619-630nm680mcd Learn More about LITEON lamp signboard leds	Datasheet	Non-Stocked Lead-Time 10 Weeks	£0.465 £0.249 £0.119 £0.107 View £0.086 £0.081 £0.072 £0.068 £0.057	Min.: 1 Mult.: 1	Single Color LEDs	Red LEDs	Through Hole		623 nm	Red
White LEDs White 5700 K 90-CRI, LUXEON MZ LMZ9-QW57 Lumileds 3,000: £4.70 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. LMZ9-QW57 Mouser Part No 897-LMZ9-QW57	Lumileds	White LEDs White 5700 K 90-CRI, LUXEON MZ Learn More about Lumileds luxeon mz led	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £4.70	Min.: 3,000 Mult.: 500 : 500	White LEDs	White LEDs	SMD/SMT		5700 K	Cool White