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Optical Switches

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Sensing Method	Slot Width	Sensing Distance
Optical Switches, Reflective, Phototransistor Output Reflective Line Reader OPB739RWZ Optek / TT Electronics 1: €15.17 37In Stock	Mfr. Part No. OPB739RWZ Mouser Part No 828-OPB739RWZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Line Reader	Datasheet	37In Stock	€15.17 €14.28	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.14 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB740WZ Optek / TT Electronics 1: €3.66 11In Stock 800On Order	Mfr. Part No. OPB740WZ Mouser Part No 828-OPB740WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	11In Stock 800On Order	€3.66 €3.52	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM OPB742 Optek / TT Electronics 1: €2.44 25In Stock 500Expected 16/11/2026	Mfr. Part No. OPB742 Mouser Part No 828-OPB742	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM	Datasheet	25In Stock 500Expected 16/11/2026	€2.44 €2.33	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Switch OPB748WZ Optek / TT Electronics 1: €5.07 49In Stock	Mfr. Part No. OPB748WZ Mouser Part No 828-OPB748WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Switch	Datasheet	49In Stock	€5.07 €4.72	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB750T Optek / TT Electronics 1: €4.43 38In Stock 200Expected 19/11/2026	Mfr. Part No. OPB750T Mouser Part No 828-OPB750T	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	38In Stock 200Expected 19/11/2026	€4.43 €4.33	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		5.59 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB755TZ Optek / TT Electronics 1: €7.94 12In Stock	Mfr. Part No. OPB755TZ Mouser Part No 828-OPB755TZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	12In Stock	€7.94 €6.17	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		5.59 mm
Optical Switches, Reflective, Photo IC Output Reflective Sensor Photologic OPB760N Optek / TT Electronics 1: €4.55 53In Stock	Mfr. Part No. OPB760N Mouser Part No 828-OPB760N	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Reflective Sensor Photologic	Datasheet	53In Stock	€4.55 €4.35	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5.6 mm
Optical Switches, Reflective, Photo IC Output Emmiter/Sensor Assy OPB770TZ Optek / TT Electronics 1: €7.03 158In Stock	Mfr. Part No. OPB770TZ Mouser Part No 828-OPB770TZ	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Emmiter/Sensor Assy	Datasheet	158In Stock	€7.03 €6.55	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5.6 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800L55 Optek / TT Electronics 1: €2.54 19In Stock 500Expected 25/12/2026	Mfr. Part No. OPB800L55 Mouser Part No 828-OPB800L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	19In Stock 500Expected 25/12/2026	€2.54 €2.30 €2.29	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800W55Z Optek / TT Electronics 1: €4.16 45In Stock 400Expected 18/01/2027	Mfr. Part No. OPB800W55Z Mouser Part No 828-OPB800W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	45In Stock 400Expected 18/01/2027	€4.16 €3.96	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB801L55 Optek / TT Electronics 1: €2.50 221In Stock	Mfr. Part No. OPB801L55 Mouser Part No 828-OPB801L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	221In Stock	€2.50 €2.37	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB801W55Z Optek / TT Electronics 1: €4.44 3In Stock	Mfr. Part No. OPB801W55Z Mouser Part No 828-OPB801W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	3In Stock	€4.44 €4.19	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB802W55Z Optek / TT Electronics 1: €4.38 212In Stock	Mfr. Part No. OPB802W55Z Mouser Part No 828-OPB802W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	212In Stock	€4.38 €4.15	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS OPB810W51Z Optek / TT Electronics 1: €4.27 149In Stock 1,400Expected 26/11/2026	Mfr. Part No. OPB810W51Z Mouser Part No 828-OPB810W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	149In Stock 1,400Expected 26/11/2026	€4.27 €4.26 €4.12	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR OPB819Z Optek / TT Electronics 1: €5.48 216In Stock	Mfr. Part No. OPB819Z Mouser Part No 828-OPB819Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR	Datasheet	216In Stock	€5.48 €5.23	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	31.75 mm	31.75 mm
Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V OPB822SD Optek / TT Electronics 1: €4.25 2In Stock 200Expected 04/02/2027	Mfr. Part No. OPB822SD Mouser Part No 828-OPB822SD	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V	Datasheet	2In Stock 200Expected 04/02/2027	€4.25 €4.05	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.29 mm	2.29 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB825 Optek / TT Electronics 1: €1.81 582In Stock	Mfr. Part No. OPB825 Mouser Part No 828-OPB825	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	582In Stock	€1.81 €1.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.06 mm	4.06 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB825A Optek / TT Electronics 1: €1.83 164In Stock 1,000Expected 24/11/2026	Mfr. Part No. OPB825A Mouser Part No 828-OPB825A	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	164In Stock 1,000Expected 24/11/2026	€1.83 €1.75 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.06 mm	4.06 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB827A Optek / TT Electronics 1: €3.04 6In Stock	Mfr. Part No. OPB827A Mouser Part No 828-OPB827A	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	6In Stock	€3.04 €2.58 €2.25	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.05 mm	3.05 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB829DZ Optek / TT Electronics 1: €3.54 208In Stock 400Expected 16/12/2026	Mfr. Part No. OPB829DZ Mouser Part No 828-OPB829DZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	208In Stock 400Expected 16/12/2026	€3.54 €3.39	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED OPB830L51 Optek / TT Electronics 1: €2.51 7In Stock 400Expected 20/11/2026	Mfr. Part No. OPB830L51 Mouser Part No 828-OPB830L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED	Datasheet	7In Stock 400Expected 20/11/2026	€2.51 €2.39	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB830W55Z Optek / TT Electronics 1: €4.19 41In 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	41In Stock 3,200On Order On Order Ship Dates Mfr. No: OPB830W55Z Stock: 41 Can Dispatch Immediately On Order: 1,000 Expected 29/12/2026 2,200 Expected 08/02/2027 Factory Lead Time: 16 Weeks	€4.19 €4.11	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB832W55Z Optek / TT Electronics 1: €4.32 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	€4.32 €4.09	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW OPB840L11 Optek / TT Electronics 1: €2.94 9In Stock 500Expected 05/02/2027	Mfr. Part No. OPB840L11 Mouser Part No 828-OPB840L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW	Datasheet	9In Stock 500Expected 05/02/2027	€2.94 €2.83	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB840W11Z Optek / TT Electronics 1: €5.56 195In 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	195In Stock 800Expected 27/01/2027	€5.56 €5.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm