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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.
Single Colour LEDs Red 623 nm OVLFR3C7 Optek / TT Electronics 1: $0.326 21,943In Stock 19,200Expected 9/10/2026	Mfr. Part No. OVLFR3C7 Mouser Part No 828-OVLFR3C7	Optek / TT Electronics	Single Colour LEDs Red 623 nm	Datasheet	21,943In Stock 19,200Expected 9/10/2026	$0.326 $0.299 $0.286 $0.272	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB960N55 Optek / TT Electronics 1: $4.84 470In Stock	Mfr. Part No. OPB960N55 Mouser Part No 828-OPB960N55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	470In Stock	$4.84 $4.61	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB963T51 Optek / TT Electronics 1: $5.32 481In Stock	Mfr. Part No. OPB963T51 Mouser Part No 828-OPB963T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	481In Stock	$5.32 $4.92 $4.87	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB971T11 Optek / TT Electronics 1: $5.74 789In Stock	Mfr. Part No. OPB971T11 Mouser Part No 828-OPB971T11	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	789In Stock	$5.74 $5.47	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB981T55Z Optek / TT Electronics 1: $7.56 657In Stock	Mfr. Part No. OPB981T55Z Mouser Part No 828-OPB981T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	657In Stock	$7.56 $7.15	Min.: 1 Mult.: 1
Level Sensors Fluid in-line sensor .250" Tube OPB350W250Z Optek / TT Electronics 1: $10.06 323In Stock	Mfr. Part No. OPB350W250Z Mouser Part No 828-OPB350W250Z	Optek / TT Electronics	Level Sensors Fluid in-line sensor .250" Tube	Datasheet	323In Stock	$10.06	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB606A Optek / TT Electronics 1: $1.96 1,188In Stock	Mfr. Part No. OPB606A Mouser Part No 828-OPB606A	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,188In Stock	$1.96 $1.84	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB840W55Z Optek / TT Electronics 1: $6.62 743In Stock	Mfr. Part No. OPB840W55Z Mouser Part No 828-OPB840W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	743In Stock	$6.62	Min.: 1 Mult.: 1
Photo IC Sensors Photologic Lateral OPL550-OCA Optek / TT Electronics 1: $2.20 985In Stock	Mfr. Part No. OPL550-OCA Mouser Part No 828-OPL550-OCA	Optek / TT Electronics	Photo IC Sensors Photologic Lateral	Datasheet	985In Stock	$2.20 $2.18 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OPR5200 Optek / TT Electronics 1: $4.71 779In Stock	Mfr. Part No. OPR5200 Mouser Part No 828-OPR5200	Optek / TT Electronics	Infrared Emitters Infrared 890nm Learn More about Optek / TT Electronics optek tt electronics opr5200 opr5500 leds	Datasheet	779In Stock	$4.71 $4.38 Quote Quote	Min.: 1 Mult.: 1
Single Colour LEDs Blue 470 nm OVLLB8C7 Optek / TT Electronics 1: $0.598 17,587In Stock	Mfr. Part No. OVLLB8C7 Mouser Part No 828-OVLLB8C7	Optek / TT Electronics	Single Colour LEDs Blue 470 nm	Datasheet	17,587In Stock	$0.598 $0.53 $0.503 $0.487	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB910L55 Optek / TT Electronics 1: $6.47 335In Stock	Mfr. Part No. OPB910L55 Mouser Part No 828-OPB910L55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	335In Stock	$6.47 $6.17	Min.: 1 Mult.: 1
Level Sensors Calibration Circuit With OPB350L250 OCB350L250Z Optek / TT Electronics 1: $34.04 122In Stock	Mfr. Part No. OCB350L250Z Mouser Part No 828-OCB350L250Z	Optek / TT Electronics	Level Sensors Calibration Circuit With OPB350L250 Learn More about Optek / TT Electronics optek tt sensor calibration boards	Datasheet	122In Stock	$34.04 $32.93 $31.65	Min.: 1 Mult.: 1
Infrared Emitters Infrared 935nm OP140D Optek / TT Electronics 1: $1.01 3,860In Stock	Mfr. Part No. OP140D Mouser Part No 828-OP140D	Optek / TT Electronics	Infrared Emitters Infrared 935nm	Datasheet	3,860In Stock	$1.01 $0.956 $0.955 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 935nm OP168FB Optek / TT Electronics 1: $1.51 5,032In Stock	Mfr. Part No. OP168FB Mouser Part No 828-OP168FB	Optek / TT Electronics	Infrared Emitters Infrared 935nm	Datasheet	5,032In Stock	$1.51 $1.41 $1.39 $1.29	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390T55Z Optek / TT Electronics 1: $6.76 700In Stock	Mfr. Part No. OPB390T55Z Mouser Part No 828-OPB390T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	700In Stock	$6.76 $6.58	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB70AWZ Optek / TT Electronics 1: $6.85 580In Stock	Mfr. Part No. OPB70AWZ Mouser Part No 828-OPB70AWZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	580In Stock	$6.85 $6.51	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM OPB710 Optek / TT Electronics 1: $13.04 515In Stock	Mfr. Part No. OPB710 Mouser Part No 828-OPB710	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM	Datasheet	515In Stock	$13.04 $12.36 $12.34 Quote Quote	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811L55 Optek / TT Electronics 1: $3.62 1,072In Stock	Mfr. Part No. OPB811L55 Mouser Part No 828-OPB811L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch	Datasheet	1,072In Stock	$3.62	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB842W51Z Optek / TT Electronics 1: $6.46 1,663In Stock	Mfr. Part No. OPB842W51Z Mouser Part No 828-OPB842W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,663In Stock	$6.46 $6.36	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB865N11 Optek / TT Electronics 1: $4.87 470In Stock	Mfr. Part No. OPB865N11 Mouser Part No 828-OPB865N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	470In Stock	$4.87	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870N11 Optek / TT Electronics 1: $4.26 602In Stock	Mfr. Part No. OPB870N11 Mouser Part No 828-OPB870N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	602In Stock	$4.26 $4.03	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890P51Z Optek / TT Electronics 1: $6.43 766In Stock	Mfr. Part No. OPB890P51Z Mouser Part No 828-OPB890P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	766In Stock	$6.43 $6.11	Min.: 1 Mult.: 1
Photo IC Sensors Photologic Lateral OPL562 Optek / TT Electronics 1: $2.16 367In Stock	Mfr. Part No. OPL562 Mouser Part No 828-OPL562	Optek / TT Electronics	Photo IC Sensors Photologic Lateral	Datasheet	367In Stock	$2.16 $2.12 Quote Quote	Min.: 1 Mult.: 1
Photodiodes Photodiode Array OPR2100 Optek / TT Electronics 1: $14.54 265In Stock	Mfr. Part No. OPR2100 Mouser Part No 828-OPR2100	Optek / TT Electronics	Photodiodes Photodiode Array	Datasheet	265In Stock	$14.54 Quote Quote	Min.: 1 Mult.: 1

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