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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 Output Phototranstr Input Diode OPB830W55Z Optek / TT Electronics 1: £3.66 5In Stock 3,200On Order	Mfr. Part No. OPB830W55Z Mouser Part No 828-OPB830W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	5In Stock 3,200On Order On Order Ship Dates Mfr. No: OPB830W55Z Stock: 5 Can Dispatch Immediately On Order: 1,000 Expected 29/12/2026 2,200 Expected 10/02/2027 Factory Lead Time: 16 Weeks	£3.66 £3.59	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB832W55Z Optek / TT Electronics 1: £3.77 118In Stock	Mfr. Part No. OPB832W55Z Mouser Part No 828-OPB832W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	118In Stock	£3.77 £3.57	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW OPB840L11 Optek / TT Electronics 1: £2.57 9In Stock 500Expected 09/02/2027	Mfr. Part No. OPB840L11 Mouser Part No 828-OPB840L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW	Datasheet	9In Stock 500Expected 09/02/2027	£2.57 £2.47	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB840W11Z Optek / TT Electronics 1: £4.85 192In Stock 800Expected 27/01/2027	Mfr. Part No. OPB840W11Z Mouser Part No 828-OPB840W11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	192In Stock 800Expected 27/01/2027	£4.85 £4.61	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB841W55Z Optek / TT Electronics 1: £4.37 231In Stock	Mfr. Part No. OPB841W55Z Mouser Part No 828-OPB841W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	231In Stock	£4.37 £4.08 £3.91 £3.79 £3.66	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB847 Optek / TT Electronics 1: £1.95 229In Stock	Mfr. Part No. OPB847 Mouser Part No 828-OPB847	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	229In Stock	£1.95 £1.85	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB852A1 Optek / TT Electronics 1: £2.08 93In Stock	Mfr. Part No. OPB852A1 Mouser Part No 828-OPB852A1	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	93In Stock	£2.08 £1.96	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB853A1 Optek / TT Electronics 1: £2.76 190In Stock	Mfr. Part No. OPB853A1 Mouser Part No 828-OPB853A1	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	190In Stock	£2.76 £2.64	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB861T55 Optek / TT Electronics 1: £2.09 51In Stock	Mfr. Part No. OPB861T55 Mouser Part No 828-OPB861T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	51In Stock	£2.09 £2.08	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB865N11 Optek / TT Electronics 1: £2.69 370In Stock	Mfr. Part No. OPB865N11 Mouser Part No 828-OPB865N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	370In Stock	£2.69	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB865T55 Optek / TT Electronics 1: £2.49 163In Stock	Mfr. Part No. OPB865T55 Mouser Part No 828-OPB865T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	163In Stock	£2.49 £2.42	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870N51 Optek / TT Electronics 1: £2.02 380In Stock 500Expected 25/12/2026	Mfr. Part No. OPB870N51 Mouser Part No 828-OPB870N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	380In Stock 500Expected 25/12/2026	£2.02 £1.91	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870N55 Optek / TT Electronics 1: £2.02 183In Stock	Mfr. Part No. OPB870N55 Mouser Part No 828-OPB870N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	183In Stock	£2.02 £1.91	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870T51 Optek / TT Electronics 1: £2.03 246In Stock	Mfr. Part No. OPB870T51 Mouser Part No 828-OPB870T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	246In Stock	£2.03	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH OPB880T11Z Optek / TT Electronics 1: £4.16 42In Stock 200Expected 29/12/2026	Mfr. Part No. OPB880T11Z Mouser Part No 828-OPB880T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	42In Stock 200Expected 29/12/2026	£4.16 £3.95	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB881L55Z Optek / TT Electronics 1: £3.66 50In Stock	Mfr. Part No. OPB881L55Z Mouser Part No 828-OPB881L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	50In Stock	£3.66	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB881T55Z Optek / TT Electronics 1: £3.68 253In Stock	Mfr. Part No. OPB881T55Z Mouser Part No 828-OPB881T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	253In Stock	£3.68 £3.45	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB882T55Z Optek / TT Electronics 1: £3.61 190In Stock	Mfr. Part No. OPB882T55Z Mouser Part No 828-OPB882T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	190In Stock	£3.61 £3.42	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890P55Z Optek / TT Electronics 1: £3.52 63In Stock	Mfr. Part No. OPB890P55Z Mouser Part No 828-OPB890P55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	63In Stock	£3.52	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890T11Z Optek / TT Electronics 1: £4.26 153In Stock	Mfr. Part No. OPB890T11Z Mouser Part No 828-OPB890T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	153In Stock	£4.26 £4.14 £4.10 £4.02 View £4.00 £3.99 Quote	Min.: 1 Mult.: 1
Photodiodes Pin Photodiode OPF420 Optek / TT Electronics 1: £9.39 72In Stock	Mfr. Part No. OPF420 Mouser Part No 828-OPF420	Optek / TT Electronics	Photodiodes Pin Photodiode	Datasheet	72In Stock	£9.39 £8.29 £8.19 £8.04	Min.: 1 Mult.: 1
Photodiodes FIBER OPTIC PHOTODIO OPF480 Optek / TT Electronics 1: £6.01 6In Stock 200Expected 04/01/2027	Mfr. Part No. OPF480 Mouser Part No 828-OPF480	Optek / TT Electronics	Photodiodes FIBER OPTIC PHOTODIO	Datasheet	6In Stock 200Expected 04/01/2027	£6.01 £5.28	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optoisolator OPI110 Optek / TT Electronics 1: £2.07 145In Stock	Mfr. Part No. OPI110 Mouser Part No 828-OPI110	Optek / TT Electronics	Transistor Output Optocouplers Optoisolator	Datasheet	145In Stock	£2.07 £1.92	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optoisolator OPI123 Optek / TT Electronics 1: £8.54 9In Stock	Mfr. Part No. OPI123 Mouser Part No 828-OPI123	Optek / TT Electronics	Transistor Output Optocouplers Optoisolator	Datasheet	9In Stock	£8.54 £7.92	Min.: 1 Mult.: 1
High Speed Optocouplers Optoisolator OPI126 Optek / TT Electronics 1: £9.37 22In Stock	Mfr. Part No. OPI126 Mouser Part No 828-OPI126	Optek / TT Electronics	High Speed Optocouplers Optoisolator	Datasheet	22In Stock	£9.37 £8.71	Min.: 1 Mult.: 1

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