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Transmissive, Slotted Optical Switches

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Sensing Method = Transmissive, Slotted

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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.	Product Type	Sensing Method	Slot Width	Sensing Distance
Optical Switches, Transmissive, Photo IC Output BASE MOUNT OPAQUE OPB971N51 Optek / TT Electronics 1: £2.71 814In Stock	Mfr. Part No. OPB971N51 Mouser Part No 828-OPB971N51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output BASE MOUNT OPAQUE	Datasheet	814In Stock	£2.71 £2.65	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB973N51 Optek / TT Electronics 1: £2.66 715In Stock	Mfr. Part No. OPB973N51 Mouser Part No 828-OPB973N51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	715In Stock	£2.66 £2.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB973T51 Optek / TT Electronics 1: £2.76 552In Stock	Mfr. Part No. OPB973T51 Mouser Part No 828-OPB973T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	552In Stock	£2.76 £2.65 £2.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB980L55Z Optek / TT Electronics 1: £4.43 350In Stock	Mfr. Part No. OPB980L55Z Mouser Part No 828-OPB980L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	350In Stock	£4.43 £4.16 £4.12	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB981T51Z Optek / TT Electronics 1: £4.50 249In Stock 400Expected 30/10/2026	Mfr. Part No. OPB981T51Z Mouser Part No 828-OPB981T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	249In Stock 400Expected 30/10/2026	£4.50 £4.49 £4.31	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB982P51Z Optek / TT Electronics 1: £4.50 490In Stock	Mfr. Part No. OPB982P51Z Mouser Part No 828-OPB982P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	490In Stock	£4.50 £4.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS OPB982T51Z Optek / TT Electronics 1: £4.62 272In Stock	Mfr. Part No. OPB982T51Z Mouser Part No 828-OPB982T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS	Datasheet	272In Stock	£4.62 £4.58 £4.21	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB983P51Z Optek / TT Electronics 1: £4.58 678In Stock	Mfr. Part No. OPB983P51Z Mouser Part No 828-OPB983P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	678In Stock	£4.58 £4.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990L11Z Optek / TT Electronics 1: £4.56 331In Stock	Mfr. Part No. OPB990L11Z Mouser Part No 828-OPB990L11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	331In Stock	£4.56	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990P51Z Optek / TT Electronics 1: £4.32 278In Stock	Mfr. Part No. OPB990P51Z Mouser Part No 828-OPB990P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	278In Stock	£4.32 £4.21	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990T51Z Optek / TT Electronics 1: £4.30 579In Stock 1,700Expected 05/11/2026	Mfr. Part No. OPB990T51Z Mouser Part No 828-OPB990T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	579In Stock 1,700Expected 05/11/2026	£4.30 £4.21	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB991L51Z Optek / TT Electronics 1: £4.37 448In Stock	Mfr. Part No. OPB991L51Z Mouser Part No 828-OPB991L51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	448In Stock	£4.37 £4.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB993T51Z Optek / TT Electronics 1: £4.80 254In Stock	Mfr. Part No. OPB993T51Z Mouser Part No 828-OPB993T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	254In Stock	£4.80 £4.21	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360N51 Optek / TT Electronics 1: £1.87 65In Stock	Mfr. Part No. OPB360N51 Mouser Part No 828-OPB360N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	65In Stock	£1.87 £1.77	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 OPB360T55 Optek / TT Electronics 1: £1.87 396In Stock	Mfr. Part No. OPB360T55 Mouser Part No 828-OPB360T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	396In Stock	£1.87 £1.79	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 OPB365T55 Optek / TT Electronics 1: £2.35 233In Stock	Mfr. Part No. OPB365T55 Mouser Part No 828-OPB365T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	233In Stock	£2.35 £2.30	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR OUT OPB370N55 Optek / TT Electronics 1: £2.10 20In Stock 500Expected 24/11/2026	Mfr. Part No. OPB370N55 Mouser Part No 828-OPB370N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR OUT	Datasheet	20In Stock 500Expected 24/11/2026	£2.10 £2.00	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 OPB380P51Z Optek / TT Electronics 1: £3.83 93In Stock	Mfr. Part No. OPB380P51Z Mouser Part No 828-OPB380P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	93In Stock	£3.83 £3.63	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 OPB380P55Z Optek / TT Electronics 1: £3.73 140In Stock	Mfr. Part No. OPB380P55Z Mouser Part No 828-OPB380P55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	140In Stock	£3.73 £3.63	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 OPB380T55Z Optek / TT Electronics 1: £3.52 285In Stock	Mfr. Part No. OPB380T55Z Mouser Part No 828-OPB380T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	285In Stock	£3.52 £3.22 £3.13	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 OPB390L55Z Optek / TT Electronics 1: £3.83 98In Stock	Mfr. Part No. OPB390L55Z Mouser Part No 828-OPB390L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	98In Stock	£3.83 £3.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis OPB420AZ Optek / TT Electronics 1: £4.16 178In Stock	Mfr. Part No. OPB420AZ Mouser Part No 828-OPB420AZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis Learn More about Optek / TT Electronics optek tt opb420 optical switches	Datasheet	178In Stock	£4.16 £4.05	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis OPB420BZ Optek / TT Electronics 1: £4.23 97In Stock	Mfr. Part No. OPB420BZ Mouser Part No 828-OPB420BZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis Learn More about Optek / TT Electronics optek tt opb420 optical switches	Datasheet	97In Stock	£4.23 £4.03	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800L55 Optek / TT Electronics 1: £2.22 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	£2.22 £2.01 £2.00	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: £3.63 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	£3.63 £3.46	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm