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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, Reflective, Phototransistor Output Reflective Sensor OPB732 Optek / TT Electronics 1: $4.71 1,500Expected 04/01/2027	Mfr. Part No. OPB732 Mouser Part No 828-OPB732	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	1,500Expected 04/01/2027	$4.71 $4.40	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		76.2 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800L55 Optek / TT Electronics 1: $2.95 1,269On Order	Mfr. Part No. OPB800L55 Mouser Part No 828-OPB800L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	1,269On Order On Order Ship Dates Mfr. No: OPB800L55 Stock: 0 On Order: 269 Expected 25/12/2026 1,000 Expected 19/02/2027 Factory Lead Time: 17 Weeks	$2.95 $2.66 $2.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch OPB815L Optek / TT Electronics 1: $3.04 1,900Expected 27/11/2026	Mfr. Part No. OPB815L Mouser Part No 828-OPB815L	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch	Datasheet	1,900Expected 27/11/2026	$3.04 $2.89	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED OPB820S5 Optek / TT Electronics 1: $3.96 897Expected 16/12/2026	Mfr. Part No. OPB820S5 Mouser Part No 828-OPB820S5	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED	Datasheet	897Expected 16/12/2026	$3.96 $3.79	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 OPB821S10Z Optek / TT Electronics 1: $5.83 547Expected 18/11/2026	Mfr. Part No. OPB821S10Z Mouser Part No 828-OPB821S10Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	547Expected 18/11/2026	$5.83 $5.55	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB829CZ Optek / TT Electronics 1: $4.18 1,588Expected 27/01/2027	Mfr. Part No. OPB829CZ Mouser Part No 828-OPB829CZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,588Expected 27/01/2027	$4.18 $4.03	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 OPB842W55Z Optek / TT Electronics 1: $4.85 1,600Expected 11/01/2027	Mfr. Part No. OPB842W55Z Mouser Part No 828-OPB842W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,600Expected 11/01/2027	$4.85 $4.58	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 OPB865T51 Optek / TT Electronics 1: $3.25 1,000Expected 02/02/2027	Mfr. Part No. OPB865T51 Mouser Part No 828-OPB865T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,000Expected 02/02/2027	$3.25	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN OPB880P51Z Optek / TT Electronics 1: $4.92 1,995Expected 23/12/2026	Mfr. Part No. OPB880P51Z Mouser Part No 828-OPB880P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	1,995Expected 23/12/2026	$4.92 $4.72	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .125in SLOT OPAQUE OPB891T55Z Optek / TT Electronics 1: $4.82 300Expected 29/12/2026	Mfr. Part No. OPB891T55Z Mouser Part No 828-OPB891T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .125in SLOT OPAQUE Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	300Expected 29/12/2026	$4.82	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch OPB490P11Z Optek / TT Electronics 1: $5.05 395Expected 18/11/2026	Mfr. Part No. OPB490P11Z Mouser Part No 828-OPB490P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch	Datasheet	395Expected 18/11/2026	$5.05 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch OPB490T11Z Optek / TT Electronics 1: $4.80 400Expected 03/12/2026	Mfr. Part No. OPB490T11Z Mouser Part No 828-OPB490T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch	Datasheet	400Expected 03/12/2026	$4.80	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output SLOTTED OPTIC SWITCH OPB900W51Z Optek / TT Electronics 1: $7.43 400Expected 12/11/2026	Mfr. Part No. OPB900W51Z Mouser Part No 828-OPB900W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output SLOTTED OPTIC SWITCH	Datasheet	400Expected 12/11/2026	$7.43 $7.04	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB916BZ Optek / TT Electronics 1: $5.93 1,426On Order	Mfr. Part No. OPB916BZ Mouser Part No 828-OPB916BZ	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	1,426On Order On Order Ship Dates Mfr. No: OPB916BZ Stock: 0 On Order: 626 Expected 22/02/2027 800 Expected 23/02/2027 Factory Lead Time: 17 Weeks	$5.93 $5.61	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5.08 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB917BOCZ Optek / TT Electronics 1: $6.22 400Expected 12/01/2027	Mfr. Part No. OPB917BOCZ Mouser Part No 828-OPB917BOCZ	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	400Expected 12/01/2027	$6.22 $5.96	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5.08 mm
Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS OPB930W51Z Optek / TT Electronics 1: $6.20 945On Order	Mfr. Part No. OPB930W51Z Mouser Part No 828-OPB930W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS	Datasheet	945On Order On Order Ship Dates Mfr. No: OPB930W51Z Stock: 0 On Order: 345 Pending 600 Expected 07/01/2027 Factory Lead Time: 16 Weeks	$6.20 $6.04	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB940W55Z Optek / TT Electronics 1: $5.96 714Expected 23/11/2026	Mfr. Part No. OPB940W55Z Mouser Part No 828-OPB940W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	714Expected 23/11/2026	$5.96 $5.67	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted OPB941W51Z Optek / TT Electronics 1: $6.05 394Expected 04/02/2027	Mfr. Part No. OPB941W51Z Mouser Part No 828-OPB941W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted	Datasheet	394Expected 04/02/2027	$6.05 $5.75	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output .125" WIDE SLOT OPB943W51Z Optek / TT Electronics 1: $5.92 396Expected 27/01/2027	Mfr. Part No. OPB943W51Z Mouser Part No 828-OPB943W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output .125" WIDE SLOT	Datasheet	396Expected 27/01/2027	$5.92 $5.91 $5.88 $5.74	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 OPB960T55 Optek / TT Electronics 1: $3.53 500Expected 27/11/2026	Mfr. Part No. OPB960T55 Mouser Part No 828-OPB960T55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	500Expected 27/11/2026	$3.53 $3.39	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 OPB962T51 Optek / TT Electronics 1: $3.73 500Expected 28/01/2027	Mfr. Part No. OPB962T51 Mouser Part No 828-OPB962T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	500Expected 28/01/2027	$3.73 $3.55	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: $6.07 Lead-Time 16 Weeks	Mfr. Part No. OPB990L11Z Mouser Part No 828-OPB990L11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	Lead-Time 16 Weeks	$6.07	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 OPB991L55Z Optek / TT Electronics 1: $5.64 600Expected 11/12/2026	Mfr. Part No. OPB991L55Z Mouser Part No 828-OPB991L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	600Expected 11/12/2026	$5.64 $5.35	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch W/Wire Leads OPB991P51Z Optek / TT Electronics 1: $6.09 572On Order	Mfr. Part No. OPB991P51Z Mouser Part No 828-OPB991P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch W/Wire Leads	Datasheet	572On Order On Order Ship Dates Mfr. No: OPB991P51Z Stock: 0 On Order: 172 Expected 16/11/2026 400 Expected 28/01/2027 Factory Lead Time: 16 Weeks	$6.09 $6.08 $5.67	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 OPB991T55Z Optek / TT Electronics 1: $5.58 800On Order	Mfr. Part No. OPB991T55Z Mouser Part No 828-OPB991T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	800On Order On Order Ship Dates Mfr. No: OPB991T55Z Stock: 0 On Order: 400 Expected 22/02/2027 400 Expected 23/02/2027 Factory Lead Time: 16 Weeks	$5.58 $5.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm