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Bulk Optical Switches

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 Sensor OPB740WZ Optek / TT Electronics 1: $4.25 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	$4.25 $4.09	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: $2.84 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	$2.84 $2.71	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB745WZ Optek / TT Electronics 1: $5.07 240In Stock	Mfr. Part No. OPB745WZ Mouser Part No 828-OPB745WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	240In Stock	$5.07 $4.82	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: $5.89 49In Stock	Mfr. Part No. OPB748WZ Mouser Part No 828-OPB748WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Switch	Datasheet	49In Stock	$5.89 $5.49	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: $5.15 38In Stock 200Expected 27/11/2026	Mfr. Part No. OPB750T Mouser Part No 828-OPB750T	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	38In Stock 200Expected 27/11/2026	$5.15 $5.04	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: $9.23 12In Stock	Mfr. Part No. OPB755TZ Mouser Part No 828-OPB755TZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	12In Stock	$9.23 $7.17	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: $5.29 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	$5.29 $5.06	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: $8.17 126In Stock 200Expected 18/02/2027	Mfr. Part No. OPB770TZ Mouser Part No 828-OPB770TZ	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Emmiter/Sensor Assy	Datasheet	126In Stock 200Expected 18/02/2027	$8.17 $7.62	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5.6 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800W55Z Optek / TT Electronics 1: $4.84 45In Stock 400Expected 16/11/2026	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 16/11/2026	$4.84 $4.60	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: $2.91 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	$2.91 $2.75	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: $5.16 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	$5.16 $4.87	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: $5.09 192In 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	192In Stock	$5.09 $4.83	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM OPB810L51 Optek / TT Electronics 1: $2.99 46In Stock 400On Order	Mfr. Part No. OPB810L51 Mouser Part No 828-OPB810L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM	Datasheet	46In Stock 400On Order	$2.99 $2.85	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: $4.96 139In 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	139In Stock 1,400Expected 26/11/2026	$4.96 $4.95 $4.79	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB817Z Optek / TT Electronics 1: $4.78 245In Stock	Mfr. Part No. OPB817Z Mouser Part No 828-OPB817Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	245In Stock	$4.78 $4.57	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.1 mm	5.1 mm
Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR OPB819Z Optek / TT Electronics 1: $6.37 214In Stock	Mfr. Part No. OPB819Z Mouser Part No 828-OPB819Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR	Datasheet	214In Stock	$6.37 $6.08	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	31.75 mm	31.75 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB821S3Z Optek / TT Electronics 1: $5.83 200In Stock	Mfr. Part No. OPB821S3Z Mouser Part No 828-OPB821S3Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	200In Stock	$5.83 $5.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel OPB822S Optek / TT Electronics 1: $4.47 230In Stock	Mfr. Part No. OPB822S Mouser Part No 828-OPB822S	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	230In Stock	$4.47 $4.39	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.29 mm	2.29 mm
Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V OPB822SD Optek / TT Electronics 1: $4.94 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	$4.94 $4.71	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 Dual Channel OPB826S Optek / TT Electronics 1: $7.58 169In Stock	Mfr. Part No. OPB826S Mouser Part No 828-OPB826S	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	169In Stock	$7.58 $7.33	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.54 mm	2.54 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB827A Optek / TT Electronics 1: $3.54 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	$3.54 $3.00 $2.62	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: $4.12 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	$4.12 $3.94	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: $2.92 2In Stock 400Expected 27/11/2026	Mfr. Part No. OPB830L51 Mouser Part No 828-OPB830L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED	Datasheet	2In Stock 400Expected 27/11/2026	$2.92 $2.78	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: $5.02 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	$5.02 $4.75	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: $3.42 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	$3.42 $3.29	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm