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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 (SGD) 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 Slotted Opt Switch Photologic OPB990T51Z Optek / TT Electronics 1: $7.79 605In Stock 1,674On Order	Mfr. Part No. OPB990T51Z Mouser Part No 828-OPB990T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	605In Stock 1,674On Order On Order Ship Dates Mfr. No: OPB990T51Z Stock: 605 Can Dispatch Immediately On Order: 700 Expected 5/11/2026 974 Expected 9/11/2026 Factory Lead Time: 16 Weeks	$7.79 $7.63	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 OPB991L51Z Optek / TT Electronics 1: $7.90 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	$7.90 $7.71	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: $8.70 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	$8.70 $8.69 $7.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Specialised Infrared Emitter 950nm MTRS9520D Marktech Optoelectronics 1: $8.28 12In Stock	Mfr. Part No. MTRS9520D Mouser Part No 193-MTRS9520D	Marktech Optoelectronics	Optical Switches, Specialised Infrared Emitter 950nm Learn More about Marktech Optoelectronics marktech near ir emitters	Datasheet	12In Stock	$8.28 $6.20 $4.98 $4.45 View $4.13 $4.12	Min.: 1 Mult.: 1	Optical Switches, Specialized			0.5 mm to 1.5 mm
Optical Switches, Specialised Full2x2 Opt Switch C+L Band Latching OFMS2200ES05111 Molex 1: $395.35 3In Stock Factory Special Order	Mfr. Part No. OFMS2200ES05111 Mouser Part No 538-OFMS2200ES05111 Factory Special Order	Molex	Optical Switches, Specialised Full2x2 Opt Switch C+L Band Latching	Datasheet	3In Stock	$395.35 View $349.00	Min.: 1 Mult.: 1	Optical Switches, Specialized
Optical Switches, Specialised 1625nm SMD Reflective Switch Flat Top MTRS5116C Marktech Optoelectronics 1: $74.27 1In Stock	Mfr. Part No. MTRS5116C Mouser Part No 193-MTRS5116C	Marktech Optoelectronics	Optical Switches, Specialised 1625nm SMD Reflective Switch Flat Top	Datasheet	1In Stock	$74.27 $61.08 $54.10	Min.: 1 Mult.: 1	Optical Switches, Specialized	Reflective		0.5 mm to 1.5 mm
Optical Switches, Specialised Visible Emitter 660nm MTRS6660D Marktech Optoelectronics 1: $7.79 5In Stock	Mfr. Part No. MTRS6660D Mouser Part No 193-MTRS6660D	Marktech Optoelectronics	Optical Switches, Specialised Visible Emitter 660nm	Datasheet	5In Stock	$7.79 $5.82 $4.66 $4.15 $3.85	Min.: 1 Mult.: 1	Optical Switches, Specialized	Reflective		0.5 mm to 1.5 mm
Optical Switches, Specialised Slotted Opt Switch OPB355T Optek / TT Electronics 1: $5.62 95In Stock	Mfr. Part No. OPB355T Mouser Part No 828-OPB355T	Optek / TT Electronics	Optical Switches, Specialised Slotted Opt Switch	Datasheet	95In Stock	$5.62 $5.36	Min.: 1 Mult.: 1	Optical Switches, Specialized	Transmissive		3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360N51 Optek / TT Electronics 1: $3.39 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	$3.39 $3.21	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: $3.39 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	$3.39 $3.24	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: $4.26 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	$4.26 $4.16	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: $3.79 15In 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	15In Stock 500Expected 24/11/2026	$3.79 $3.62	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: $6.94 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	$6.94 $6.58	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: $6.76 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	$6.76 $6.58	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: $6.38 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	$6.38 $5.83 $5.67	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: $6.94 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	$6.94 $6.58	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: $7.52 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	$7.52 $7.33	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: $7.67 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	$7.67 $7.30	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: $2.15 112In Stock 1,000Expected 11/11/2026	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 11/11/2026	$2.15 $2.00 $1.84	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: $1.96 6In Stock	Mfr. Part No. OPB606C Mouser Part No 828-OPB606C	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	6In Stock	$1.96 $1.84	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: $4.28 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	$4.28 $4.11	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: $6.08 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	$6.08 $5.82	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: $6.04 48In Stock 700Expected 11/12/2026	Mfr. Part No. OPB704WZ Mouser Part No 828-OPB704WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	48In Stock 700Expected 11/12/2026	$6.04 $5.96	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: $4.12 182In Stock	Mfr. Part No. OPB705 Mouser Part No 828-OPB705	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	182In Stock	$4.12 $3.92	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: $5.98 95In Stock 300Expected 12/2/2027	Mfr. Part No. OPB705WZ Mouser Part No 828-OPB705WZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	95In Stock 300Expected 12/2/2027	$5.98 $5.66	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm