.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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Solid State Relays - SSRs Solid State Relay G3NA-420B-UTU DC5-24 Omron Automation and Safety 1: HK$872.80 3In Stock 3Expected 2/11/2026	Mfr. Part No. G3NA-420B-UTU DC5-24 Mouser Part No 653-G3NA420BUTDC524	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	3In Stock 3Expected 2/11/2026	HK$872.80 HK$819.62 HK$794.63 HK$774.98 HK$751.14	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay,RoHS G3NA-475B-UTU-2 DC5-24 Omron Automation and Safety 1: HK$1,335.34 2In Stock	Mfr. Part No. G3NA-475B-UTU-2 DC5-24 Mouser Part No 653-G3NA475BUTU2DC24	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay,RoHS	Datasheet	2In Stock	HK$1,335.34 HK$1,200.28 HK$1,169.71 HK$1,148.75	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-D210B-UTU AC100-240 Omron Automation and Safety 1: HK$826.52 6In Stock	Mfr. Part No. G3NA-D210B-UTU AC100-240 Mouser Part No 653-G3NAD210BUTAC124	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	6In Stock	HK$826.52 HK$778.27 HK$743.17 HK$715.14 HK$692.86	Min.: 1 Mult.: 1
Single Colour LEDs Red SIDELED LR A67F-U2BB-1-1 ams OSRAM 1: HK$6.08 1,106In Stock	Mfr. Part No. LR A67F-U2BB-1-1 Mouser Part No 720-LRA67FA9481	ams OSRAM	Single Colour LEDs Red SIDELED	Datasheet	1,106In Stock	Cut Tape HK$6.08 HK$4.09 HK$2.90 HK$2.40 Reel HK$1.95 View HK$2.30 HK$1.91 HK$1.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs Red SIDELED LS A67F-U2BA-1-3A4B ams OSRAM 1: HK$6.08 3,399In Stock	Mfr. Part No. LS A67F-U2BA-1-3A4B Mouser Part No 720-LSA67FA9480	ams OSRAM	Single Colour LEDs Red SIDELED	Datasheet	3,399In Stock	Cut Tape HK$6.08 HK$4.09 HK$2.90 HK$2.40 Reel HK$1.95 View HK$2.30 HK$1.91 HK$1.64 HK$1.60 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
High Speed Optocouplers 100kbd Low Input Current High Gain Vishay Semiconductors SFH6319T SFH6319T Vishay Semiconductors 1: HK$15.45 1,431In Stock	Mfr. Part No. SFH6319T Mouser Part No 782-SFH6319T	Vishay Semiconductors	High Speed Optocouplers 100kbd Low Input Current High Gain	Datasheet	1,431In Stock	Cut Tape HK$15.45 HK$11.51 HK$8.88 HK$7.72 Reel HK$6.94 View HK$7.21 HK$6.58 HK$6.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs Green Diffused LTL-4231 LITEON 1: HK$1.73 17,642In Stock 25,000Expected 23/11/2026	Mfr. Part No. LTL-4231 Mouser Part No 859-LTL-4231	LITEON	Single Colour LEDs Green Diffused	Datasheet	17,642In Stock 25,000Expected 23/11/2026	HK$1.73 HK$1.15 HK$0.773 HK$0.641 View HK$0.551 HK$0.526 HK$0.469 HK$0.436 HK$0.395	Min.: 1 Mult.: 1
Single Colour LEDs Green Transparent LTL-4232 LITEON 1: HK$1.73 7,227In Stock	Mfr. Part No. LTL-4232 Mouser Part No 859-LTL-4232	LITEON	Single Colour LEDs Green Transparent	Datasheet	7,227In Stock	HK$1.73 HK$1.15 HK$0.806 HK$0.641 View HK$0.551 HK$0.518 HK$0.485 HK$0.452 HK$0.386	Min.: 1 Mult.: 1
Single Colour LEDs Yellow Diffused LTL-4251 LITEON 1: HK$1.73 22,550In Stock	Mfr. Part No. LTL-4251 Mouser Part No 859-LTL-4251	LITEON	Single Colour LEDs Yellow Diffused	Datasheet	22,550In Stock	HK$1.73 HK$1.15 HK$0.773 HK$0.641 View HK$0.551 HK$0.526 HK$0.518 HK$0.485 HK$0.395	Min.: 1 Mult.: 1
Single Colour LEDs Yellow Transparent LTL-4252 LITEON 1: HK$1.73 4,032In Stock	Mfr. Part No. LTL-4252 Mouser Part No 859-LTL-4252	LITEON	Single Colour LEDs Yellow Transparent	Datasheet	4,032In Stock	HK$1.73 HK$1.15 HK$0.806 HK$0.641 View HK$0.584 HK$0.534 HK$0.469 HK$0.436 HK$0.403	Min.: 1 Mult.: 1
Lighting Connectors Modular Releasable Poke-In 1P Natural 2834006-1 TE Connectivity / P&B 1: HK$3.37 2,348In Stock	Mfr. Part No. 2834006-1 Mouser Part No 571-2834006-1	TE Connectivity / P&B	Lighting Connectors Modular Releasable Poke-In 1P Natural Learn More about TE Connectivity / P&B te 2834006 poke in connector	Datasheet	2,348In Stock	Cut Tape HK$3.37 HK$2.85 HK$2.55 HK$2.29 Reel HK$1.54 View HK$2.06 HK$1.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LCD Drivers Dual Output (Bipolar SIMO Regulator A 59 A 595-TPS65132WRVCR TPS65132WRVCT Texas Instruments 1: HK$20.71 89In Stock	Mfr. Part No. TPS65132WRVCT Mouser Part No 595-TPS65132WRVCT	Texas Instruments	LCD Drivers Dual Output (Bipolar SIMO Regulator A 59 A 595-TPS65132WRVCR Learn More about Texas Instruments ti tps65132 power supply	Datasheet	89In Stock	Cut Tape HK$20.71 HK$15.45 HK$14.14 HK$12.66 Reel HK$11.84 View HK$11.10 HK$10.69 HK$10.60 HK$10.44 MouseReel Available	Min.: 1 Mult.: 1 : 250
Single Colour LEDs Orange Water Clear 601nm 400mcd AA4040SESK Kingbright 1: HK$4.60 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 HK$4.60 HK$3.12 HK$2.25 Reel HK$1.78 HK$1.65 View HK$1.58 HK$1.53 HK$1.50 MouseReel Available	Min.: 1 Mult.: 1 : 500
Single Colour LEDs Amber 588nm 12mcd 60deg diffused WP3A10AD Kingbright 1: HK$3.12 5,429In Stock	Mfr. Part No. WP3A10AD Mouser Part No 604-WP3A10AD	Kingbright	Single Colour LEDs Amber 588nm 12mcd 60deg diffused	Datasheet	5,429In Stock	HK$3.12 HK$2.15 HK$1.53 HK$1.16 View HK$1.10 HK$1.02 HK$0.806 HK$0.732	Min.: 1 Mult.: 1
High Speed Optocouplers Optocoupler (25Mbd) IECLF ACSL-7210-06RE Broadcom / Avago 1: HK$52.03 84In Stock 1,200Expected 8/2/2027	Mfr. Part No. ACSL-7210-06RE Mouser Part No 630-ACSL-7210-06RE	Broadcom / Avago	High Speed Optocouplers Optocoupler (25Mbd) IECLF Learn More about Broadcom / Avago avago acsl 7210 optocoupler	Datasheet	84In Stock 1,200Expected 8/2/2027	HK$52.03 HK$39.05 HK$31.40 HK$27.04 View HK$25.65 HK$25.32 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-210BL DC5-24 Omron Automation and Safety 1: HK$404.67 5In Stock	Mfr. Part No. G3NA-210BL DC5-24 Mouser Part No 653-G3NA-210BLDC5-24	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	5In Stock	HK$404.67 HK$350.91 HK$342.77 HK$336.86 View HK$331.02 HK$325.18 Quote	Min.: 1 Mult.: 1
Single Colour LEDs 3.2MM 610NM ORN DIFF SLR-332DU3F ROHM Semiconductor 1: HK$4.44 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 HK$4.44 HK$3.08 HK$2.21 HK$1.99 Reel HK$1.57 View HK$1.83 HK$1.42 HK$1.37 HK$1.29	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs 3.2MM 563NM GRN TRANSP SLR-332MC3F ROHM Semiconductor 1: HK$4.03 687In Stock 2,000Expected 15/2/2027	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	687In Stock 2,000Expected 15/2/2027	Cut Tape HK$4.03 HK$2.76 HK$1.98 HK$1.63 Reel HK$1.41 View HK$1.50 HK$1.27 HK$1.22 HK$1.18	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs 3.2mm2.5mm GRN DIFF SLR-332MGT32 ROHM Semiconductor 1: HK$4.44 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 HK$4.44 HK$3.09 HK$2.22 HK$1.82 Reel HK$1.51 View HK$1.37 HK$1.26	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs RED RED DIFF LENS 2.5mm PITCH SLR-332VR3F ROHM Semiconductor 1: HK$4.69 4,876In 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	4,876In Stock	HK$4.69 HK$3.17 HK$2.28 HK$1.87 View HK$1.73 HK$1.62 HK$1.49 HK$1.41 HK$1.32	Min.: 1 Mult.: 1
Single Colour LEDs 3.2MM 585NM YEL TRANSP SLR-332YC3F ROHM Semiconductor 1: HK$4.44 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	HK$4.44 HK$3.02 HK$2.18 HK$1.79 View HK$1.67 HK$1.55 HK$1.41 HK$1.36 HK$1.27	Min.: 1 Mult.: 1
Single Colour LEDs 3.2MM 585NMYEL DIFF SLR-332YY3F ROHM Semiconductor 1: HK$4.69 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	HK$4.69 HK$3.17 HK$2.26 HK$1.87 View HK$1.71 HK$1.55 HK$1.41 HK$1.36 HK$1.27	Min.: 1 Mult.: 1
Single Colour LEDs Red Diffused LITEON LTL-4211 LTL-4211 LITEON 1: HK$1.73 385In Stock 5,000Expected 15/1/2027	Mfr. Part No. LTL-4211 Mouser Part No 859-LTL-4211	LITEON	Single Colour LEDs Red Diffused	Datasheet	385In Stock 5,000Expected 15/1/2027	HK$1.73 HK$1.15 HK$0.806 HK$0.641 View HK$0.567 HK$0.534 HK$0.477 HK$0.427 HK$0.395	Min.: 1 Mult.: 1
Single Colour LEDs Red Diffused LITEON LTL-4221 LTL-4221 LITEON 1: HK$1.56 34,028In Stock	Mfr. Part No. LTL-4221 Mouser Part No 859-LTL-4221	LITEON	Single Colour LEDs Red Diffused	Datasheet	34,028In Stock	HK$1.56 HK$1.09 HK$0.756 HK$0.608 View HK$0.526 HK$0.493 HK$0.444 HK$0.411 HK$0.395	Min.: 1 Mult.: 1
Single Colour LEDs Red Transparent LITEON LTL-4222 LTL-4222 LITEON 1: HK$1.73 3,210In Stock	Mfr. Part No. LTL-4222 Mouser Part No 859-LTL-4222	LITEON	Single Colour LEDs Red Transparent	Datasheet	3,210In Stock	HK$1.73 HK$1.15 HK$0.773 HK$0.641 View HK$0.551 HK$0.526 HK$0.469 HK$0.436 HK$0.395	Min.: 1 Mult.: 1