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Optical Switches

Optical Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many optical switch manufacturers including Broadcom, Omron, onsemi, ROHM Semiconductor, Sharp Microelectronics, TT Electronics, Vishay & more.
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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, Transmissive, Phototransistor Output Slotted Opt Switch OPB360N51 Optek / TT Electronics 1: $2.49 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	$2.49 $2.36	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: $2.49 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	$2.49 $2.38	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: $3.13 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	$3.13 $3.06	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: $2.79 15In Stock 500Expected 2026/11/24	Mfr. Part No. OPB370N55 Mouser Part No 828-OPB370N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR OUT	Datasheet	15In Stock 500Expected 2026/11/24	$2.79 $2.66	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: $5.11 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	$5.11 $4.84	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: $4.97 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	$4.97 $4.84	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: $4.69 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	$4.69 $4.29 $4.18	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: $5.11 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	$5.11 $4.84	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: $5.54 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	$5.54 $5.40	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: $5.64 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	$5.64 $5.37	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB606A Optek / TT Electronics 1: $1.58 112In Stock 1,000Expected 2026/11/11	Mfr. Part No. OPB606A Mouser Part No 828-OPB606A	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	112In Stock 1,000Expected 2026/11/11	$1.58 $1.47 $1.35	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB606C Optek / TT Electronics 1: $1.44 6In Stock	Mfr. Part No. OPB606C Mouser Part No 828-OPB606C	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	6In Stock	$1.44 $1.35	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Flag Switch 20g spring OPB680-20 Optek / TT Electronics 1: $3.15 145In Stock	Mfr. Part No. OPB680-20 Mouser Part No 828-OPB680-20	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Flag Switch 20g spring	Datasheet	145In Stock	$3.15 $3.02	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Actuator Type	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt SwitchFlag Switch OPB690Z Optek / TT Electronics 1: $4.47 290In Stock	Mfr. Part No. OPB690Z Mouser Part No 828-OPB690Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt SwitchFlag Switch	Datasheet	290In Stock	$4.47 $4.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Actuator Type	2.03 mm	2.03 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB704WZ Optek / TT Electronics 1: $4.44 48In Stock 700Expected 2026/12/11	Mfr. Part No. OPB704WZ Mouser Part No 828-OPB704WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	48In Stock 700Expected 2026/12/11	$4.44 $4.38	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB705 Optek / TT Electronics 1: $3.04 182In Stock	Mfr. Part No. OPB705 Mouser Part No 828-OPB705	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	182In Stock	$3.04 $2.88	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB705WZ Optek / TT Electronics 1: $4.40 95In Stock 300Expected 2027/02/16	Mfr. Part No. OPB705WZ Mouser Part No 828-OPB705WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	95In Stock 300Expected 2027/02/16	$4.40 $4.16	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB706A Optek / TT Electronics 1: $2.33 378In Stock	Mfr. Part No. OPB706A Mouser Part No 828-OPB706A	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	378In Stock	$2.33 $2.23 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB706C Optek / TT Electronics 1: $2.35 310In Stock	Mfr. Part No. OPB706C Mouser Part No 828-OPB706C	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	310In Stock	$2.35 $2.19 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB708 Optek / TT Electronics 1: $2.88 86In Stock 500Expected 2027/01/27	Mfr. Part No. OPB708 Mouser Part No 828-OPB708	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	86In Stock 500Expected 2027/01/27	$2.88 $2.62	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor TO-72 OPB710F Optek / TT Electronics 1: $9.33 89In Stock 500Expected 2027/01/04	Mfr. Part No. OPB710F Mouser Part No 828-OPB710F	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor TO-72	Datasheet	89In Stock 500Expected 2027/01/04	$9.33 $9.07 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		6.35 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB711 Optek / TT Electronics 1: $2.99 328In Stock	Mfr. Part No. OPB711 Mouser Part No 828-OPB711	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	328In Stock	$2.99 $2.71	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		2.03 mm
Optical Switches, Reflective, Photo IC Output Photologic Refl. Object Sensor OPB715Z Optek / TT Electronics 1: $7.77 91In Stock	Mfr. Part No. OPB715Z Mouser Part No 828-OPB715Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Photologic Refl. Object Sensor	Datasheet	91In Stock	$7.77 $6.94	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		12.7 mm
Optical Switches, Reflective, Photo IC Output Long Range Refl. Sens. 10-30V OPB720A-06Z Optek / TT Electronics 1: $16.74 48In Stock 200On Order	Mfr. Part No. OPB720A-06Z Mouser Part No 828-OPB720A-06Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Long Range Refl. Sens. 10-30V	Datasheet	48In Stock 200On Order	$16.74 $15.64	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		1 mm to 152 mm
Optical Switches, Reflective, Photo IC Output Reflective Sensor OPB720B-06Z Optek / TT Electronics 1: $16.90 40In Stock 200Expected 2027/02/03	Mfr. Part No. OPB720B-06Z Mouser Part No 828-OPB720B-06Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Reflective Sensor	Datasheet	40In Stock 200Expected 2027/02/03	$16.90 $15.78	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		1 mm to 152 mm