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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, Reflective, Phototransistor Output Reflective Sensor OPB744WZ Optek / TT Electronics 1: £3.76 175In Stock	Mfr. Part No. OPB744WZ Mouser Part No 828-OPB744WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	175In Stock	£3.76 £3.52	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB866T51 Optek / TT Electronics 1: £2.26 451In Stock	Mfr. Part No. OPB866T51 Mouser Part No 828-OPB866T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	451In Stock	£2.26 £2.17	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB892T55Z Optek / TT Electronics 1: £3.45 183In Stock	Mfr. Part No. OPB892T55Z Mouser Part No 828-OPB892T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	183In Stock	£3.45 £3.44	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP555B Optek / TT Electronics 1: £0.834 1,132In Stock	Mfr. Part No. OP555B Mouser Part No 828-OP555B	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	1,132In Stock	£0.834 £0.78 £0.759 £0.737	Min.: 1 Mult.: 1
Optical Switches, Reflective, Photo IC Output Long Range Refl. Sens. 10-30V OPB720A-12Z Optek / TT Electronics 1: £12.55 74In Stock	Mfr. Part No. OPB720A-12Z Mouser Part No 828-OPB720A-12Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Long Range Refl. Sens. 10-30V	Datasheet	74In Stock	£12.55 £11.17	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB740 Optek / TT Electronics 1: £1.89 369In Stock	Mfr. Part No. OPB740 Mouser Part No 828-OPB740	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	369In Stock	£1.89 £1.72	Min.: 1 Mult.: 1
Photodiodes Pin Photodiode OPF430 Optek / TT Electronics 1: £12.13 96In Stock 100Expected 30/10/2026	Mfr. Part No. OPF430 Mouser Part No 828-OPF430	Optek / TT Electronics	Photodiodes Pin Photodiode	Datasheet	96In Stock 100Expected 30/10/2026	£12.13 £10.47 £10.13	Min.: 1 Mult.: 1
Encoders, Decoders, Multiplexers & Demultiplexers FlexSense Trans Incre Encoder FS210 Optek / TT Electronics 1: £12.41 98In Stock	Mfr. Part No. FS210 Mouser Part No 828-FS210-001	Optek / TT Electronics	Encoders, Decoders, Multiplexers & Demultiplexers FlexSense Trans Incre Encoder Learn More about Optek / TT Electronics optek fs210 fs310 encoders	Datasheet	98In Stock	£12.41 £12.03 £10.43 £10.31 Quote Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect/Magnetic Sensors Hall Effect Sensor OHN3120U Optek / TT Electronics 1: £3.93 520In Stock	Mfr. Part No. OHN3120U Mouser Part No 828-OHN3120U	Optek / TT Electronics	Board Mount Hall Effect/Magnetic Sensors Hall Effect Sensor	Datasheet	520In Stock	£3.93	Min.: 1 Mult.: 1
Photodiodes Photodiode OP955 Optek / TT Electronics 1: £0.826 932In Stock	Mfr. Part No. OP955 Mouser Part No 828-OP955	Optek / TT Electronics	Photodiodes Photodiode	Datasheet	932In Stock	£0.826 £0.773 £0.751 £0.737	Min.: 1 Mult.: 1
Optical Switches, Specialised .2_ Slot Infrared PIN photodiode OPB621 Optek / TT Electronics 1: £1.58 439In Stock	Mfr. Part No. OPB621 Mouser Part No 828-OPB621	Optek / TT Electronics	Optical Switches, Specialised .2_ Slot Infrared PIN photodiode	Datasheet	439In Stock	£1.58 £1.42 £1.39	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870P55 Optek / TT Electronics 1: £1.88 519In Stock	Mfr. Part No. OPB870P55 Mouser Part No 828-OPB870P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	519In Stock	£1.88 £1.84	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890T55Z Optek / TT Electronics 1: £3.44 179In Stock	Mfr. Part No. OPB890T55Z Mouser Part No 828-OPB890T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	179In Stock	£3.44	Min.: 1 Mult.: 1
Photo IC Sensors Photologic Lateral OPL562-OC Optek / TT Electronics 1: £1.27 816In Stock	Mfr. Part No. OPL562-OC Mouser Part No 828-OPL562-OC	Optek / TT Electronics	Photo IC Sensors Photologic Lateral	Datasheet	816In Stock	£1.27 £1.17 £1.12 £1.10	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360L11 Optek / TT Electronics 1: £2.30 371In Stock	Mfr. Part No. OPB360L11 Mouser Part No 828-OPB360L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	371In Stock	£2.30 £2.19	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB370T51 Optek / TT Electronics 1: £2.10 272In Stock	Mfr. Part No. OPB370T51 Mouser Part No 828-OPB370T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	272In Stock	£2.10 £1.96 £1.90 £1.89	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output .09in SLOT w/FLAG OPB680 Optek / TT Electronics 1: £3.17 306In Stock	Mfr. Part No. OPB680 Mouser Part No 828-OPB680	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .09in SLOT w/FLAG	Datasheet	306In Stock	£3.17	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output Reflective Sensor Darlington Out OPB702D Optek / TT Electronics 1: £2.35 439In Stock	Mfr. Part No. OPB702D Mouser Part No 828-OPB702D	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor Darlington Out	Datasheet	439In Stock	£2.35 £2.23	Min.: 1 Mult.: 1
Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE OPB735CWZ Optek / TT Electronics 1: £18.24 8In Stock	Mfr. Part No. OPB735CWZ Mouser Part No 828-OPB735CWZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE Learn More about Optek / TT Electronics optek tt electronics opb735 sensors	Datasheet	8In Stock	£18.24 £17.18 £15.80 View Quote	Min.: 1 Mult.: 1
Photodiodes Photodiode Four Element OPR5925 Optek / TT Electronics 1: £5.75 101In Stock	Mfr. Part No. OPR5925 Mouser Part No 828-OPR5925	Optek / TT Electronics	Photodiodes Photodiode Four Element	Datasheet	101In Stock	£5.75 £5.15 £5.06	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990P11Z Optek / TT Electronics 1: £4.96 164In Stock	Mfr. Part No. OPB990P11Z Mouser Part No 828-OPB990P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	164In Stock	£4.96 £4.56	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB981L55Z Optek / TT Electronics 1: £4.96 133In Stock	Mfr. Part No. OPB981L55Z Mouser Part No 828-OPB981L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	133In Stock	£4.96 £4.26	Min.: 1 Mult.: 1
Fibre Optic Transmitters Fiber Op Transmitter OPF693-2 Optek / TT Electronics 1: £14.32 49In Stock	Mfr. Part No. OPF693-2 Mouser Part No 828-OPF693-2	Optek / TT Electronics	Fibre Optic Transmitters Fiber Op Transmitter	Datasheet	49In Stock	£14.32 £13.97	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Photo transistor Slotted Opt Switch OPB660N Optek / TT Electronics 1: £2.08 297In Stock	Mfr. Part No. OPB660N Mouser Part No 828-OPB660N	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photo transistor Slotted Opt Switch	Datasheet	297In Stock	£2.08 £1.96	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB963T51 Optek / TT Electronics 1: £2.94 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	£2.94 £2.72 £2.69 £2.54	Min.: 1 Mult.: 1

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