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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB816Z Optek / TT Electronics 1: £3.11 4,897In Stock	Mfr. Part No. OPB816Z Mouser Part No 828-OPB816Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	4,897In Stock	£3.11	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB841W51Z Optek / TT Electronics 1: £4.38 3,988In Stock	Mfr. Part No. OPB841W51Z Mouser Part No 828-OPB841W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	3,988In Stock	£4.38 £4.15 £4.09	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optical Isoloator OPI1264A Optek / TT Electronics 1: £2.20 7,330In Stock	Mfr. Part No. OPI1264A Mouser Part No 828-OPI1264A	Optek / TT Electronics	Transistor Output Optocouplers Optical Isoloator	Datasheet	7,330In Stock	£2.20 £2.09 £2.02 £1.96 View £1.94 Quote	Min.: 1 Mult.: 1
Single Colour LEDs Blue-Green 505 nm OVLGC0C6B9 Optek / TT Electronics 1: £0.353 38,352In Stock	Mfr. Part No. OVLGC0C6B9 Mouser Part No 828-OVLGC0C6B9	Optek / TT Electronics	Single Colour LEDs Blue-Green 505 nm	Datasheet	38,352In Stock	£0.353 £0.315 £0.30 £0.292 View £0.278 £0.271 £0.265	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB821S5Z Optek / TT Electronics 1: £4.14 7,099In Stock	Mfr. Part No. OPB821S5Z Mouser Part No 828-OPB821S5Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	7,099In Stock	£4.14 £3.95	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS OPB492T11Z Optek / TT Electronics 1: £3.68 3,691In Stock	Mfr. Part No. OPB492T11Z Mouser Part No 828-OPB492T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS	Datasheet	3,691In Stock	£3.68 £3.38	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor high temperature OPB735C Optek / TT Electronics 1: £20.43 87In Stock	Mfr. Part No. OPB735C Mouser Part No 828-OPB735C	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor high temperature Learn More about Optek / TT Electronics optek tt electronics opb735 sensors	Datasheet	87In Stock	£20.43 £14.29 £12.97 £12.94 View Quote	Min.: 1 Mult.: 1
Single Colour LEDs Red 623 nm OVLLR8C7 Optek / TT Electronics 1: £0.292 33,725In Stock	Mfr. Part No. OVLLR8C7 Mouser Part No 828-OVLLR8C7	Optek / TT Electronics	Single Colour LEDs Red 623 nm	Datasheet	33,725In Stock	£0.292 £0.278 £0.271 £0.255 £0.236	Min.: 1 Mult.: 1
Infrared Emitters Infrared 850nm OP235W Optek / TT Electronics 1: £4.84 977In Stock 2,000Expected 18/02/2027	Mfr. Part No. OP235W Mouser Part No 828-OP235W	Optek / TT Electronics	Infrared Emitters Infrared 850nm	Datasheet	977In Stock 2,000Expected 18/02/2027	£4.84 £4.57 £4.39 £4.32 £4.11	Min.: 1 Mult.: 1
Board Mount Hall Effect/Magnetic Sensors CERAMIC SP HALL OMH090B Optek / TT Electronics 1: £61.27 139In Stock	Mfr. Part No. OMH090B Mouser Part No 828-OMH090B	Optek / TT Electronics	Board Mount Hall Effect/Magnetic Sensors CERAMIC SP HALL Learn More about Optek / TT Electronics optek tt omh bs sensors	Datasheet	139In Stock	£61.27 £58.25	Min.: 1 Mult.: 1
Infrared Emitters High Intensity 935nm OP133 Optek / TT Electronics 1: £2.30 3,560In Stock	Mfr. Part No. OP133 Mouser Part No 828-OP133	Optek / TT Electronics	Infrared Emitters High Intensity 935nm	Datasheet	3,560In Stock	£2.30 £2.17 £2.10 £2.05	Min.: 1 Mult.: 1
Infrared Emitters High Intensity 935NM Flat Lens OP133W Optek / TT Electronics 1: £3.66 1,000In Stock	Mfr. Part No. OP133W Mouser Part No 828-OP133W	Optek / TT Electronics	Infrared Emitters High Intensity 935NM Flat Lens	Datasheet	1,000In Stock	£3.66 £3.46 £3.32 £3.29	Min.: 1 Mult.: 1
Level Sensors Fluid in-line sensor .250" Tube OPB350W250Z Optek / TT Electronics 1: £5.50 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	£5.50 £5.29	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB850-1Z Optek / TT Electronics 1: £4.33 630In Stock	Mfr. Part No. OPB850-1Z Mouser Part No 828-OPB850-1Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	630In Stock	£4.33 £3.90	Min.: 1 Mult.: 1
Photo IC Sensors Photologic Lateral OPL550-OCA Optek / TT Electronics 1: £1.26 985In Stock	Mfr. Part No. OPL550-OCA Mouser Part No 828-OPL550-OCA	Optek / TT Electronics	Photo IC Sensors Photologic Lateral	Datasheet	985In Stock	£1.26 £1.20 £1.15 £1.13	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OPR5200 Optek / TT Electronics 1: £2.60 752In 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	752In Stock	£2.60 £2.30	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP266A Optek / TT Electronics 1: £0.899 3,356In Stock	Mfr. Part No. OP266A Mouser Part No 828-OP266A	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	3,356In Stock	£0.899 £0.841 £0.811 £0.796 £0.795	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB365P55 Optek / TT Electronics 1: £2.55 599In Stock 400Expected 01/12/2026	Mfr. Part No. OPB365P55 Mouser Part No 828-OPB365P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	599In Stock 400Expected 01/12/2026	£2.55 £2.18	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390P11Z Optek / TT Electronics 1: £3.89 1,212In Stock	Mfr. Part No. OPB390P11Z Mouser Part No 828-OPB390P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	1,212In Stock	£3.89 £3.53	Min.: 1 Mult.: 1
Optical Switches, Reflective, Photo IC Output Reflective Sensor OPB720B-12Z Optek / TT Electronics 1: £12.43 296In Stock	Mfr. Part No. OPB720B-12Z Mouser Part No 828-OPB720B-12Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Reflective Sensor	Datasheet	296In Stock	£12.43 £12.22 £11.58	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB806 Optek / TT Electronics 1: £2.86 415In Stock	Mfr. Part No. OPB806 Mouser Part No 828-OPB806	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	415In Stock	£2.86 £2.55 £2.53	Min.: 1 Mult.: 1
Transistor Output Optocouplers Fiber Optic Isolator 66mm iso dist Side Looker, Transistor OPI1280-066 Optek / TT Electronics 1: £4.96 782In Stock	Mfr. Part No. OPI1280-066 Mouser Part No 828-OPI1280-066	Optek / TT Electronics	Transistor Output Optocouplers Fiber Optic Isolator 66mm iso dist Side Looker, Transistor	Datasheet	782In Stock	£4.96 £4.40	Min.: 1 Mult.: 1
Single Colour LEDs Red 631 nm OVLGS0C8B9 Optek / TT Electronics 1: £0.188 39,673In Stock	Mfr. Part No. OVLGS0C8B9 Mouser Part No 828-OVLGS0C8B9	Optek / TT Electronics	Single Colour LEDs Red 631 nm	Datasheet	39,673In Stock	£0.188 £0.165 £0.164 £0.15 View £0.142 £0.137	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP293B Optek / TT Electronics 1: £0.578 2,775In Stock	Mfr. Part No. OP293B Mouser Part No 828-OP293B	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	2,775In Stock	£0.578 £0.548 £0.533 £0.521	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP600C Optek / TT Electronics 1: £2.17 1,106In Stock	Mfr. Part No. OP600C Mouser Part No 828-OP600C	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	1,106In Stock	£2.17 £2.01 £1.96	Min.: 1 Mult.: 1

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