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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 OPB380T51Z Optek / TT Electronics 1: £3.82 3,911In Stock	Mfr. Part No. OPB380T51Z Mouser Part No 828-OPB380T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	3,911In Stock	£3.82 £3.64 £3.63	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED OPB620 Optek / TT Electronics 1: £1.34 12,110In Stock	Mfr. Part No. OPB620 Mouser Part No 828-OPB620	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED	Datasheet	12,110In Stock	£1.34 £1.23	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB700ALZ Optek / TT Electronics 1: £7.82 1,560In Stock	Mfr. Part No. OPB700ALZ Mouser Part No 828-OPB700ALZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,560In Stock	£7.82 £7.68	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir OPB815WZ Optek / TT Electronics 1: £4.40 2,821In Stock	Mfr. Part No. OPB815WZ Mouser Part No 828-OPB815WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir	Datasheet	2,821In Stock	£4.40 £4.10 £3.93 £3.80 £3.66	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY OPB831W55Z Optek / TT Electronics 1: £3.78 3,024In Stock	Mfr. Part No. OPB831W55Z Mouser Part No 828-OPB831W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY	Datasheet	3,024In Stock	£3.78 £3.59	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED OPB848 Optek / TT Electronics 1: £1.87 9,145In Stock	Mfr. Part No. OPB848 Mouser Part No 828-OPB848	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED	Datasheet	9,145In Stock	£1.87 £1.75 Quote Quote	Min.: 1 Mult.: 1
White LEDs White OVLAW4CB7 Optek / TT Electronics 1: £0.361 64,778In Stock	Mfr. Part No. OVLAW4CB7 Mouser Part No 828-OVLAW4CB7	Optek / TT Electronics	White LEDs White	Datasheet	64,778In Stock	£0.361 £0.33 £0.315 £0.305 View £0.303 £0.302	Min.: 1 Mult.: 1
Single Colour LEDs Blue 470 nm OVLBB4C7 Optek / TT Electronics 1: £0.308 55,196In Stock	Mfr. Part No. OVLBB4C7 Mouser Part No 828-OVLBB4C7	Optek / TT Electronics	Single Colour LEDs Blue 470 nm	Datasheet	55,196In Stock	£0.308 £0.272 £0.269	Min.: 1 Mult.: 1
Single Colour LEDs Red 623 nm OVLBR4C7 Optek / TT Electronics 1: £0.30 49,008In Stock 40,000Expected 24/02/2027	Mfr. Part No. OVLBR4C7 Mouser Part No 828-OVLBR4C7	Optek / TT Electronics	Single Colour LEDs Red 623 nm	Datasheet	49,008In Stock 40,000Expected 24/02/2027	£0.30 £0.278 £0.271 £0.255 View £0.25 £0.248	Min.: 1 Mult.: 1
Multi-Colour LEDs RGB Full Color 150 Deg Top/RA MNT OVSRRGBCC3 Optek / TT Electronics 1: £0.465 30,205In Stock 34,000Expected 05/11/2026	Mfr. Part No. OVSRRGBCC3 Mouser Part No 828-OVSRRGBCC3	Optek / TT Electronics	Multi-Colour LEDs RGB Full Color 150 Deg Top/RA MNT Learn More about Optek / TT Electronics optek ovsrrgbcc3 leds	Datasheet	30,205In Stock 34,000Expected 05/11/2026	Cut Tape £0.465 £0.422 £0.421 £0.418 £0.415 Reel £0.374 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Phototransistors Infrared 890nm Sensor OPB100-SZ Optek / TT Electronics 1: £2.87 425In Stock 4,700On Order	Mfr. Part No. OPB100-SZ Mouser Part No 828-OPB100-SZ	Optek / TT Electronics	Phototransistors Infrared 890nm Sensor	Datasheet	425In Stock 4,700On Order On Order Ship Dates Mfr. No: OPB100-SZ Stock: 425 Can Dispatch Immediately On Order: 500 Expected 27/10/2026 4,200 Expected 04/12/2026 Factory Lead Time: 12 Weeks	£2.87 £2.75	Min.: 1 Mult.: 1
Transistor Output Optocouplers Fiber Optic Isolator 26mm iso dist Side Looker, Transistor OPI1280-026 Optek / TT Electronics 1: £4.91 300In Stock 100Expected 29/10/2026	Mfr. Part No. OPI1280-026 Mouser Part No 828-OPI1280-026	Optek / TT Electronics	Transistor Output Optocouplers Fiber Optic Isolator 26mm iso dist Side Looker, Transistor	Datasheet	300In Stock 100Expected 29/10/2026	£4.91 £4.56	Min.: 1 Mult.: 1
Single Colour LEDs Green 525 nm OVLLG8C7 Optek / TT Electronics 1: £0.315 22,051In Stock	Mfr. Part No. OVLLG8C7 Mouser Part No 828-OVLLG8C7	Optek / TT Electronics	Single Colour LEDs Green 525 nm	Datasheet	22,051In Stock	£0.315 £0.294 £0.283 £0.278 £0.265	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N23 Optek / TT Electronics 1: £26.88 205In Stock	Mfr. Part No. 4N23 Mouser Part No 828-4N23	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	205In Stock	£26.88 £26.00 £25.99 View Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N49U Optek / TT Electronics 1: £27.67 1,388In Stock	Mfr. Part No. 4N49U Mouser Part No 828-4N49U	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	1,388In Stock	£27.67	Min.: 1 Mult.: 1
Transistor Output Optocouplers 6 Pin, SMT OCI 4N49UTX Optek / TT Electronics 1: £27.67 217In Stock 260On Order	Mfr. Part No. 4N49UTX Mouser Part No 828-4N49UTX	Optek / TT Electronics	Transistor Output Optocouplers 6 Pin, SMT OCI	Datasheet	217In Stock 260On Order On Order Ship Dates Mfr. No: 4N49UTX Stock: 217 Can Dispatch Immediately On Order: 20 Expected 18/02/2027 240 Expected 26/02/2027 Factory Lead Time: 34 Weeks	£27.67	Min.: 1 Mult.: 1
Level Sensors Calibration Circuit With OPB350L125 OCB350L125Z Optek / TT Electronics 1: £19.41 46In Stock	Mfr. Part No. OCB350L125Z Mouser Part No 828-OCB350L125Z	Optek / TT Electronics	Level Sensors Calibration Circuit With OPB350L125 Learn More about Optek / TT Electronics optek tt sensor calibration boards	Datasheet	46In Stock	£19.41 £18.14 £17.63	Min.: 1 Mult.: 1
Board Mount Hall Effect/Magnetic Sensors HALL EFFECT SENSOR OHB900 Optek / TT Electronics 1: £8.71 1,195In Stock	Mfr. Part No. OHB900 Mouser Part No 828-OHB900	Optek / TT Electronics	Board Mount Hall Effect/Magnetic Sensors HALL EFFECT SENSOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	1,195In Stock	£8.71 £8.45 £8.18 £8.16 Quote Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect/Magnetic Sensors HALL EFFECT BIPOLAR OMH3075B Optek / TT Electronics 1: £57.72 122In Stock	Mfr. Part No. OMH3075B Mouser Part No 828-OMH3075B	Optek / TT Electronics	Board Mount Hall Effect/Magnetic Sensors HALL EFFECT BIPOLAR Learn More about Optek / TT Electronics optek tt omh bs sensors	Datasheet	122In Stock	£57.72 £57.63 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 935nm OP130 Optek / TT Electronics 1: £2.35 1,150In Stock	Mfr. Part No. OP130 Mouser Part No 828-OP130	Optek / TT Electronics	Infrared Emitters Infrared 935nm	Datasheet	1,150In Stock	£2.35 £2.18	Min.: 1 Mult.: 1
Infrared Emitters High Intensity 935nm OP133 Optek / TT Electronics 1: £2.30 3,420In Stock	Mfr. Part No. OP133 Mouser Part No 828-OP133	Optek / TT Electronics	Infrared Emitters High Intensity 935nm	Datasheet	3,420In Stock	£2.30 £2.17 £2.10 £2.05	Min.: 1 Mult.: 1
Infrared Emitters Infrared 935nm OP140B Optek / TT Electronics 1: £0.555 3,813In Stock	Mfr. Part No. OP140B Mouser Part No 828-OP140B	Optek / TT Electronics	Infrared Emitters Infrared 935nm	Datasheet	3,813In Stock	£0.555 £0.527 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 935nm OP165W Optek / TT Electronics 1: £0.803 1,882In Stock 1,000On Order	Mfr. Part No. OP165W Mouser Part No 828-OP165W	Optek / TT Electronics	Infrared Emitters Infrared 935nm	Datasheet	1,882In Stock 1,000On Order	£0.803 £0.759 £0.728 £0.723 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP215A Optek / TT Electronics 1: £3.88 290In Stock	Mfr. Part No. OP215A Mouser Part No 828-OP215A	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	290In Stock	£3.88 £3.62	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP216A Optek / TT Electronics 1: £3.97 881In Stock	Mfr. Part No. OP216A Mouser Part No 828-OP216A	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	881In Stock	£3.97 £3.51 £3.45	Min.: 1 Mult.: 1

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