.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.
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 $0.291 $0.273 $0.229	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 $0.374 $0.345 View $0.324 $0.266 $0.229	Min.: 1 Mult.: 1
Single Colour LEDs LED PMI SSL-LX3034GD Lumex 1: $0.311 4,443In Stock	Mfr. Part No. SSL-LX3034GD Mouser Part No 696-SSL-LX3034GD	Lumex	Single Colour LEDs LED PMI	Datasheet	4,443In Stock	$0.311 $0.212 $0.15 $0.121 View $0.106 $0.079 $0.074	Min.: 1 Mult.: 1
Single Colour LEDs LED PMI SSL-LX30S54YD Lumex 1: $0.561 395In Stock	Mfr. Part No. SSL-LX30S54YD Mouser Part No 696-SSL-LX30S54YD	Lumex	Single Colour LEDs LED PMI	Datasheet	395In Stock	$0.561 $0.368 $0.247 $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
LED Lighting Driver ICs White LED driver wit h I2C compatible in LM27966SQ/NOPB Texas Instruments 1: $3.26 1,879Expected 2027/02/15	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 2027/02/15	Cut Tape $3.26 $2.45 $2.24 $2.02 Reel $1.78 View $1.91 $1.88 $1.70 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Infrared Emitters Emitter Clear 940nm LTE-209 LITEON 1: $0.64 36,109Expected 2026/11/25	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 2026/11/25	$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 1,965Expected 2026/11/02	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 2026/11/02	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 2026/11/09	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 2026/11/09	Cut Tape $0.82 $0.575 $0.421 Reel $0.359 $0.317 View $0.297 $0.29 $0.274 $0.267 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040LSYCKT/J3-AMT Kingbright 1: $0.98 1,497Expected 2026/11/23	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 2026/11/23	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 GREEN WATER CLEAR AA4040SGC Kingbright 1: $0.561 2,000Expected 2026/11/23	Mfr. Part No. AA4040SGC Mouser Part No 604-AA4040SGC	Kingbright	Single Colour LEDs GREEN WATER CLEAR	Datasheet	2,000Expected 2026/11/23	Cut Tape $0.561 $0.386 $0.279 Reel $0.235 $0.216 View $0.19 $0.185 $0.18 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs AA4040SYSK/J3 Kingbright 1: $0.92 2,500Expected 2026/11/30	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 2026/11/30	Cut Tape $0.92 $0.641 $0.472 Reel $0.397 $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 2026/10/29 2,000 Expected 2026/11/09 Factory Lead Time: 10 Weeks	Cut Tape $1.06 $0.744 $0.552 Reel $0.465 $0.422 View $0.397 $0.387	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Yel Diffused 588nm 15mcd 60deg angle WP115A10YD Kingbright 1: $0.261 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 2026/11/16 4,000 Expected 2026/11/23 Factory Lead Time: 7 Weeks	$0.261 $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: $0.611 2,000Expected 2026/11/19	Mfr. Part No. WP115VEYW Mouser Part No 604-WP115VEYW	Kingbright	Multi-Colour LEDs Red Yellow 625 588nm Diffused 50 15mcd	Datasheet	2,000Expected 2026/11/19	$0.611 $0.424 $0.307 $0.254 View $0.222 $0.215 $0.201 $0.19 $0.177	Min.: 1 Mult.: 1
Single Colour LEDs Red 625nm Diffused 25mcd WP3A8ID Kingbright 1: $0.24 12,131Expected 2026/10/29	Mfr. Part No. WP3A8ID Mouser Part No 604-WP3A8ID	Kingbright	Single Colour LEDs Red 625nm Diffused 25mcd	Datasheet	12,131Expected 2026/10/29	$0.24 $0.164 $0.115 $0.092 View $0.084 $0.078 $0.069 $0.066 $0.06	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-210B-UTU AC100-240 Omron Automation and Safety 1: $66.57 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 2026/11/03 5 Expected 2026/11/10 Factory Lead Time: 3 Weeks	$66.57 $62.91 $60.52 $58.43 View $56.42 Quote	Min.: 1 Mult.: 1
Single Colour LEDs 4x4mm RA Yellow PLCC2 AA4040SYCKT/J3-AMT Kingbright 1: $0.98 1,944Expected 2026/11/09	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 2026/11/09	Cut Tape $0.98 $0.687 $0.507 Reel $0.426 $0.386 View $0.362 $0.354 $0.336 $0.329 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs GREEN GRN DIFF LENS 2.5mm PITCH SLR-332MG3F ROHM Semiconductor 1: $0.57 5,926Expected 2027/02/09	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 2027/02/09	$0.57 $0.386 $0.276 $0.227 View $0.208 $0.195 $0.181 $0.167 $0.155	Min.: 1 Mult.: 1
Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH SLR-332VC3F ROHM Semiconductor 1: $0.57 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 2026/12/08 2,000 Expected 2026/12/28 Factory Lead Time: 17 Weeks	$0.57 $0.386 $0.276 $0.227 View $0.208 $0.195 $0.181 $0.167 $0.155	Min.: 1 Mult.: 1
Single Colour LEDs 3.2mm2.5mm RED DIFF SLR-332VRT32 ROHM Semiconductor 1: $0.65 1,979Expected 2026/12/28	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 2026/12/28	Cut Tape $0.65 $0.447 $0.321 $0.243 Reel $0.19 View $0.223 $0.172 $0.158	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs 3.2mm2.5mm GRN CLR ROHM Semiconductor SLR-332MCT32 SLR-332MCT32 ROHM Semiconductor 1: $0.80 2,000Expected 2026/12/24	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 2026/12/24	Cut Tape $0.80 $0.525 $0.351 $0.243 Reel $0.184 View $0.223 $0.167 $0.154	Min.: 1 Mult.: 1 : 2,000
Solid State Relays - SSRs Solid State Relay RoHS G3NA-450B-UTU-2DC5-24 Omron Automation and Safety 1: $152.70 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	$152.70 $135.99 $129.57 $125.39 View $125.36 Quote	Min.: 1 Mult.: 1
Single Colour LEDs LA A67F LA A67F-AACA-24-1 ams OSRAM 1: $0.74 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 $0.74 $0.497 $0.354 $0.292 Reel $0.237 View $0.28 $0.191 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs RED SMD LED SIDELED Q65112A9481 ams OSRAM 1: $0.73 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 $0.73 $0.497 $0.352 $0.291 Reel $0.251 View $0.267 $0.233 $0.217 $0.20	Min.: 1 Mult.: 1 : 2,000