.hide-partial { max-height: none; } .show-more { display: none; }

4 mm Opto-electronics

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Opto-electronics

List Images

Results: 277

Applied Filters:

Width = 4 mm

Manufacturer

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Single Colour LEDs Red 635nm 40mcd 20mA SSL-LX3054LID Lumex 1: $0.33 1,570In Stock	Mfr. Part No. SSL-LX3054LID Mouser Part No 696-SSL-LX3054LID	Lumex	Single Colour LEDs Red 635nm 40mcd 20mA	Datasheet	1,570In Stock	$0.33 $0.222 $0.157 $0.127 View $0.117 $0.108 $0.099 $0.088 $0.082	Min.: 1 Mult.: 1
Single Colour LEDs Yellow 590nm 250mcd 20mA SSL-LX3054SYD Lumex 1: $0.52 2,798In Stock	Mfr. Part No. SSL-LX3054SYD Mouser Part No 696-SSL-LX3054SYD	Lumex	Single Colour LEDs Yellow 590nm 250mcd 20mA	Datasheet	2,798In Stock	$0.52 $0.359 $0.258 $0.199 View $0.184 $0.164 $0.156 $0.144	Min.: 1 Mult.: 1
Single Colour LEDs Blue 470nm 80mcd 20mA SSL-LX3054USBD Lumex 1: $1.66 891In Stock	Mfr. Part No. SSL-LX3054USBD Mouser Part No 696-SSL-LX3054USBD	Lumex	Single Colour LEDs Blue 470nm 80mcd 20mA	Datasheet	891In Stock	$1.66 $1.13 $0.85 $0.738 View $0.682 $0.66 $0.633 $0.604 Quote	Min.: 1 Mult.: 1
Single Colour LEDs Yellow 585nm 30mcd 20mA SSL-LX3054YD Lumex 1: $0.36 1,964In Stock	Mfr. Part No. SSL-LX3054YD Mouser Part No 696-SSL-LX3054YD	Lumex	Single Colour LEDs Yellow 585nm 30mcd 20mA	Datasheet	1,964In Stock	$0.36 $0.245 $0.174 $0.146 View $0.133 $0.124 $0.11 $0.104 $0.097	Min.: 1 Mult.: 1
Multi-Colour LEDs Green/Yellow Milky White SSL-LX3059GYW Lumex 1: $0.61 2,316In Stock 5,000Expected 30/11/2026	Mfr. Part No. SSL-LX3059GYW Mouser Part No 696-SSL-LX3059GYW	Lumex	Multi-Colour LEDs Green/Yellow Milky White	Datasheet	2,316In Stock 5,000Expected 30/11/2026	$0.61 $0.42 $0.303 $0.249 View $0.217 $0.201 $0.191 $0.18	Min.: 1 Mult.: 1
Multi-Colour LEDs Red/Green Milky White SSL-LX3059IGW Lumex 1: $0.56 2,719In Stock 20,000Expected 25/11/2026	Mfr. Part No. SSL-LX3059IGW Mouser Part No 696-SSL-LX3059IGW	Lumex	Multi-Colour LEDs Red/Green Milky White	Datasheet	2,719In Stock 20,000Expected 25/11/2026	$0.56 $0.387 $0.279 $0.229 View $0.199 $0.184 $0.174 $0.164	Min.: 1 Mult.: 1
Single Colour LEDs Red 635nm 50mcd 12mA SSL-LX3054IT-12V Lumex 1: $0.61 5,445In Stock	Mfr. Part No. SSL-LX3054IT-12V Mouser Part No 696-SSLLX3054IT12V	Lumex	Single Colour LEDs Red 635nm 50mcd 12mA	Datasheet	5,445In Stock	$0.61 $0.421 $0.304 $0.252 View $0.234 $0.219 $0.203 $0.187 $0.173	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Grn 3BC-3-F Bivar 1: $0.77 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	$0.77 $0.532 $0.387 $0.321 View $0.282 $0.262 $0.249 $0.236	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Yel 3BC-3-R/Y-F Bivar 1: $0.82 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	$0.82 $0.552 $0.391 $0.323 View $0.297 $0.278 $0.229 $0.223	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn 3BC-3-Y/G-F Bivar 1: $0.82 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	$0.82 $0.552 $0.428 $0.417 View $0.375 $0.271 $0.229	Min.: 1 Mult.: 1
Single Colour LEDs LED PMI SSL-LX30S54YD Lumex 1: $0.56 395In Stock	Mfr. Part No. SSL-LX30S54YD Mouser Part No 696-SSL-LX30S54YD	Lumex	Single Colour LEDs LED PMI	Datasheet	395In Stock	$0.56 $0.368 $0.246 $0.176 View $0.149 $0.144 $0.135 $0.127 $0.116	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
Multi-Colour LEDs 4x4mm RA Red/Green PLCC2 AA4040R3G2CT/R-10MAT Kingbright 1: $1.51 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 $1.51 $1.19 $0.888 Reel $0.759 $0.717 View $0.682 $0.652 $0.563 MouseReel Available	Min.: 1 Mult.: 1 : 500
Infrared Emitters Emitter Clear 940nm LTE-209 LITEON 1: $0.64 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	$0.64 $0.416 $0.278 $0.192 View $0.169 $0.155 $0.143 $0.135 $0.127	Min.: 1 Mult.: 1
LED Lighting Driver ICs Funlight Led Driver A 926-LP3943ISQX/NOP A 926-LP3943ISQX/NOPB LP3943ISQ/NOPB Texas Instruments 1: $3.40 1,990Expected 02/11/2026	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	1,990Expected 02/11/2026	Cut Tape $3.40 $2.54 $2.33 $2.09 Reel $1.84 View $1.98 $1.94 $1.74 $1.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Single Colour LEDs 4x4mm RA Red PLCC2 AA4040LSURCKT-AMT Kingbright 1: $0.82 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 $0.82 $0.574 $0.421 Reel $0.359 $0.317 View $0.296 $0.289 $0.274 $0.268 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040LSYCKT/J3-AMT Kingbright 1: $0.98 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 $0.98 $0.687 $0.507 Reel $0.409 $0.387 View $0.371 $0.363 $0.351 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs AA4040SYSK/J3 Kingbright 1: $0.92 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 $0.92 $0.641 $0.472 Reel $0.396 $0.359 View $0.336 $0.327 $0.32 $0.309 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Green Water Clear 525nm 1200mcd AA4040ZGS/G Kingbright 1: $1.06 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 $1.06 $0.744 $0.552 Reel $0.465 $0.422 View $0.396 $0.387	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Yel Diffused 588nm 15mcd 60deg angle WP115A10YD Kingbright 1: $0.26 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	$0.26 $0.18 $0.127 $0.122 View $0.098 $0.092 $0.079 $0.074 $0.069	Min.: 1 Mult.: 1
Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd WP115VEYW Kingbright 1: $0.61 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	$0.61 $0.424 $0.307 $0.254 View $0.222 $0.215 $0.201 $0.189 $0.177	Min.: 1 Mult.: 1
Photoelectric Sensors Fixed Field ; Range: 10 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 2 m (6.5 ft) Cable Q2FAN2FF10-2M Banner Engineering 1: $114.00 3Expected 26/10/2026 New Product	Mfr. Part No. Q2FAN2FF10-2M Mouser Part No 778-Q2FAN2FF10-2M New Product	Banner Engineering	Photoelectric Sensors Fixed Field ; Range: 10 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner q2f photoelectric sensors	Datasheet	3Expected 26/10/2026	$114.00	Min.: 1 Mult.: 1
Photoelectric Sensors Fixed Field ; Range: 15 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 150 mm (6 in) 4-pin M8 Pigtail QD Q2FAN2FF15-Q Banner Engineering 1: $114.00 3Expected 26/10/2026 New Product	Mfr. Part No. Q2FAN2FF15-Q Mouser Part No 778-Q2FAN2FF15-Q New Product	Banner Engineering	Photoelectric Sensors Fixed Field ; Range: 15 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 150 mm (6 in) 4-pin M8 Pigtail QD Learn More about Banner Engineering banner q2f photoelectric sensors	Datasheet	3Expected 26/10/2026	$114.00	Min.: 1 Mult.: 1
Photoelectric Sensors Fixed Field ; Range: 15 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 150 mm (6 in) 4-pin M12 Pigtail QD Q2FAN2FF15-Q5 Banner Engineering 1: $114.00 3Expected 26/10/2026 New Product	Mfr. Part No. Q2FAN2FF15-Q5 Mouser Part No 778-Q2FAN2FF15-Q5 New Product	Banner Engineering	Photoelectric Sensors Fixed Field ; Range: 15 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 150 mm (6 in) 4-pin M12 Pigtail QD Learn More about Banner Engineering banner q2f photoelectric sensors	Datasheet	3Expected 26/10/2026	$114.00	Min.: 1 Mult.: 1
Photoelectric Sensors Fixed Field ; Range: 30 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 2 m (6.5 ft) Cable Q2FAN2FF30-2M Banner Engineering 1: $114.00 3Expected 13/11/2026 New Product	Mfr. Part No. Q2FAN2FF30-2M Mouser Part No 778-Q2FAN2FF30-2M New Product	Banner Engineering	Photoelectric Sensors Fixed Field ; Range: 30 mm; Input 10-30 V dc ; Output: LO (Light Operate), 1 NPN ; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner q2f photoelectric sensors	Datasheet	3Expected 13/11/2026	$114.00	Min.: 1 Mult.: 1