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4 mm Opto-electronics

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Yel 3BC-3-R/Y-F Bivar 1: $1.12 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	$1.12 $0.751 $0.532 $0.439 View $0.396 $0.371 $0.311	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn 3BC-3-Y/G-F Bivar 1: $1.12 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	$1.12 $0.751 $0.509 $0.469 View $0.441 $0.362 $0.311	Min.: 1 Mult.: 1
Single Colour LEDs LED PMI SSL-LX3034GD Lumex 1: $0.422 4,443In Stock	Mfr. Part No. SSL-LX3034GD Mouser Part No 696-SSL-LX3034GD	Lumex	Single Colour LEDs LED PMI	Datasheet	4,443In Stock	$0.422 $0.288 $0.204 $0.165 View $0.144 $0.107 $0.101	Min.: 1 Mult.: 1
Single Colour LEDs LED PMI SSL-LX30S54YD Lumex 1: $0.762 395In Stock	Mfr. Part No. SSL-LX30S54YD Mouser Part No 696-SSL-LX30S54YD	Lumex	Single Colour LEDs LED PMI	Datasheet	395In Stock	$0.762 $0.50 $0.335 $0.239 View $0.203 $0.196 $0.184 $0.173 $0.158	Min.: 1 Mult.: 1
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
LED Lighting Driver ICs White LED driver wit h I2C compatible in LM27966SQ/NOPB Texas Instruments 1: $4.43 1,879Expected 15/2/2027	Mfr. Part No. LM27966SQ/NOPB Mouser Part No 926-LM27966SQ/NOPB	Texas Instruments	LED Lighting Driver ICs White LED driver wit h I2C compatible in	Datasheet	1,879Expected 15/2/2027	Cut Tape $4.43 $3.33 $3.05 $2.75 Reel $2.42 View $2.60 $2.56 $2.31 $2.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Infrared Emitters Emitter Clear 940nm LTE-209 LITEON 1: $0.87 36,109Expected 25/11/2026	Mfr. Part No. LTE-209 Mouser Part No 859-LTE-209	LITEON	Infrared Emitters Emitter Clear 940nm Learn More about LITEON ir leds	Datasheet	36,109Expected 25/11/2026	$0.87 $0.566 $0.378 $0.261 View $0.23 $0.211 $0.194 $0.184 $0.173	Min.: 1 Mult.: 1
LED Lighting Driver ICs Funlight Led Driver A 926-LP3943ISQX/NOP A 926-LP3943ISQX/NOPB LP3943ISQ/NOPB Texas Instruments 1: $4.62 1,965Expected 2/11/2026	Mfr. Part No. LP3943ISQ/NOPB Mouser Part No 926-LP3943ISQ/NOPB	Texas Instruments	LED Lighting Driver ICs Funlight Led Driver A 926-LP3943ISQX/NOP A 926-LP3943ISQX/NOPB	Datasheet	1,965Expected 2/11/2026	Cut Tape $4.62 $3.45 $3.17 $2.84 Reel $2.50 View $2.69 $2.64 $2.37 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Single Colour LEDs 4x4mm RA Red PLCC2 AA4040LSURCKT-AMT Kingbright 1: $1.12 5,219Expected 9/11/2026	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 9/11/2026	Cut Tape $1.12 $0.781 $0.573 Reel $0.488 $0.431 View $0.403 $0.393 $0.373 $0.364 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040LSYCKT/J3-AMT Kingbright 1: $1.33 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 $1.33 $0.934 $0.69 Reel $0.556 $0.526 View $0.505 $0.494 $0.477 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs GREEN WATER CLEAR AA4040SGC Kingbright 1: $0.762 2,000Expected 23/11/2026	Mfr. Part No. AA4040SGC Mouser Part No 604-AA4040SGC	Kingbright	Single Colour LEDs GREEN WATER CLEAR	Datasheet	2,000Expected 23/11/2026	Cut Tape $0.762 $0.525 $0.379 Reel $0.32 $0.294 View $0.258 $0.252 $0.245 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs AA4040SYSK/J3 Kingbright 1: $1.25 2,500Expected 30/11/2026	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 30/11/2026	Cut Tape $1.25 $0.872 $0.642 Reel $0.539 $0.488 View $0.457 $0.445 $0.435 $0.42 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Green Water Clear 525nm 1200mcd AA4040ZGS/G Kingbright 1: $1.44 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 9/11/2026 Factory Lead Time: 10 Weeks	Cut Tape $1.44 $1.01 $0.751 Reel $0.632 $0.574 View $0.539 $0.526	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Yel Diffused 588nm 15mcd 60deg angle WP115A10YD Kingbright 1: $0.354 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 16/11/2026 4,000 Expected 23/11/2026 Factory Lead Time: 7 Weeks	$0.354 $0.245 $0.173 $0.166 View $0.133 $0.125 $0.107 $0.101 $0.094	Min.: 1 Mult.: 1
Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd WP115VEYW Kingbright 1: $0.83 2,000Expected 19/11/2026	Mfr. Part No. WP115VEYW Mouser Part No 604-WP115VEYW	Kingbright	Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd	Datasheet	2,000Expected 19/11/2026	$0.83 $0.577 $0.418 $0.345 View $0.302 $0.292 $0.273 $0.257 $0.241	Min.: 1 Mult.: 1
Single Colour LEDs Red 625nm Diffused 25mcd WP3A8ID Kingbright 1: $0.326 12,131Expected 29/10/2026	Mfr. Part No. WP3A8ID Mouser Part No 604-WP3A8ID	Kingbright	Single Colour LEDs Red 625nm Diffused 25mcd	Datasheet	12,131Expected 29/10/2026	$0.326 $0.223 $0.156 $0.125 View $0.114 $0.106 $0.094 $0.09 $0.083	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-210B-UTU AC100-240 Omron Automation and Safety 1: $90.52 7On Order	Mfr. Part No. G3NA-210B-UTU AC100-240 Mouser Part No 653-G3NA210BUTAC1240	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	7On Order On Order Ship Dates Mfr. No: G3NA-210B-UTU AC100-240 Stock: 0 On Order: 2 Expected 3/11/2026 5 Expected 10/11/2026 Factory Lead Time: 3 Weeks	$90.52 $85.53 $82.29 $79.45 View $76.72 Quote	Min.: 1 Mult.: 1
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040SYCKT/J3-AMT Kingbright 1: $1.33 1,944Expected 9/11/2026	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 9/11/2026	Cut Tape $1.33 $0.934 $0.69 Reel $0.579 $0.525 View $0.492 $0.48 $0.457 $0.447 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs GREEN GRN DIFF LENS 2.5mm PITCH SLR-332MG3F ROHM Semiconductor 1: $0.775 5,926Expected 9/2/2027	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 9/2/2027	$0.775 $0.525 $0.374 $0.309 View $0.283 $0.265 $0.246 $0.228 $0.211	Min.: 1 Mult.: 1
Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH SLR-332VC3F ROHM Semiconductor 1: $0.775 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 8/12/2026 2,000 Expected 28/12/2026 Factory Lead Time: 17 Weeks	$0.775 $0.525 $0.374 $0.309 View $0.283 $0.265 $0.246 $0.228 $0.211	Min.: 1 Mult.: 1
Single Colour LEDs 3.2mm2.5mm RED DIFF SLR-332VRT32 ROHM Semiconductor 1: $0.884 1,979Expected 28/12/2026	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 28/12/2026	Cut Tape $0.884 $0.608 $0.437 $0.33 Reel $0.258 View $0.303 $0.234 $0.215	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs 3.2mm2.5mm GRN CLR ROHM Semiconductor SLR-332MCT32 SLR-332MCT32 ROHM Semiconductor 1: $1.09 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 $1.09 $0.713 $0.477 $0.33 Reel $0.25 View $0.303 $0.227 $0.208	Min.: 1 Mult.: 1 : 2,000
Solid State Relays - SSRs Solid State Relay RoHS G3NA-450B-UTU-2DC5-24 Omron Automation and Safety 1: $207.64 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. G3NA-450B-UTU-2DC5-24 Mouser Part No 653-3NA450BUTU2DC524	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay RoHS	Datasheet	Non-Stocked Lead-Time 3 Weeks	$207.64 $184.91 $176.19 $170.50 View Quote	Min.: 1 Mult.: 1
Single Colour LEDs LA A67F LA A67F-AACA-24-1 ams OSRAM 1: $1.01 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 $1.01 $0.676 $0.48 $0.397 Reel $0.322 View $0.381 $0.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs RED SMD LED SIDELED Q65112A9481 ams OSRAM 1: $0.993 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 $0.993 $0.675 $0.479 $0.396 Reel $0.341 View $0.363 $0.316 $0.295 $0.272	Min.: 1 Mult.: 1 : 2,000