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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, Phototransistor Output .16in SLOT INFRARED OPB804 Optek / TT Electronics 1: $2.48 1,062In Stock	Mfr. Part No. OPB804 Mouser Part No 828-OPB804	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .16in SLOT INFRARED	Datasheet	1,062In Stock	$2.48 $2.42 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.94 mm	3.94 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811W55Z Optek / TT Electronics 1: $6.30 1,322In Stock 1,800Expected 11/12/2026	Mfr. Part No. OPB811W55Z Mouser Part No 828-OPB811W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	1,322In Stock 1,800Expected 11/12/2026	$6.30 $6.16	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 OPB812W55Z Optek / TT Electronics 1: $6.84 509In Stock	Mfr. Part No. OPB812W55Z Mouser Part No 828-OPB812W55Z	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	509In Stock	$6.84 $6.50	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED OPB818 Optek / TT Electronics 1: $3.47 678In Stock	Mfr. Part No. OPB818 Mouser Part No 828-OPB818	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED	Datasheet	678In Stock	$3.47 $3.44	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.1 mm	5.1 mm
Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH OPB821Z Optek / TT Electronics 1: $7.83 350In Stock	Mfr. Part No. OPB821Z Mouser Part No 828-OPB821Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH	Datasheet	350In Stock	$7.83 $7.52	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 OPB829AZ Optek / TT Electronics 1: $5.88 732In Stock 1,200Expected 10/2/2027	Mfr. Part No. OPB829AZ Mouser Part No 828-OPB829AZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	732In Stock 1,200Expected 10/2/2027	$5.88 $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 OPB830L11 Optek / TT Electronics 1: $4.96 484In Stock 1,200On Order	Mfr. Part No. OPB830L11 Mouser Part No 828-OPB830L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	484In Stock 1,200On Order On Order Ship Dates Mfr. No: OPB830L11 Stock: 484 Can Dispatch Immediately On Order: 400 Pending 800 Expected 16/12/2026 Factory Lead Time: 19 Weeks	$4.96 $4.68	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 OPB830W11Z Optek / TT Electronics 1: $7.87 1,333In Stock 1,800Expected 27/11/2026	Mfr. Part No. OPB830W11Z Mouser Part No 828-OPB830W11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,333In Stock 1,800Expected 27/11/2026	$7.87 $7.75	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 OPB830W51Z Optek / TT Electronics 1: $7.40 570In Stock	Mfr. Part No. OPB830W51Z Mouser Part No 828-OPB830W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	570In Stock	$7.40 $7.37 $7.17	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 OPB840L55 Optek / TT Electronics 1: $4.19 482In Stock	Mfr. Part No. OPB840L55 Mouser Part No 828-OPB840L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	482In Stock	$4.19 $3.96	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 OPB840W51Z Optek / TT Electronics 1: $7.22 287In Stock 600Expected 29/12/2026	Mfr. Part No. OPB840W51Z Mouser Part No 828-OPB840W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	287In Stock 600Expected 29/12/2026	$7.22 $6.83	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 OPB840W55Z Optek / TT Electronics 1: $6.62 703In Stock	Mfr. Part No. OPB840W55Z Mouser Part No 828-OPB840W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	703In Stock	$6.62	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 OPB842W51Z Optek / TT Electronics 1: $6.31 1,563In Stock	Mfr. Part No. OPB842W51Z Mouser Part No 828-OPB842W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,563In Stock	$6.31 $5.97 $5.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB855 Optek / TT Electronics 1: $3.03 1,303In Stock 2,800Expected 23/12/2026	Mfr. Part No. OPB855 Mouser Part No 828-OPB855	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,303In Stock 2,800Expected 23/12/2026	$3.03 $2.92 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.21 mm	5.21 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB880L51Z Optek / TT Electronics 1: $6.84 416In Stock	Mfr. Part No. OPB880L51Z Mouser Part No 828-OPB880L51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	416In Stock	$6.84 $6.32	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 OPB880T51Z Optek / TT Electronics 1: $6.84 1,929In Stock	Mfr. Part No. OPB880T51Z Mouser Part No 828-OPB880T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	1,929In Stock	$6.84 $6.83 $6.73 $6.57 $6.41	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 OPB880T55Z Optek / TT Electronics 1: $6.66 411In Stock 1,200Expected 31/12/2026	Mfr. Part No. OPB880T55Z Mouser Part No 828-OPB880T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	411In Stock 1,200Expected 31/12/2026	$6.66 $6.28	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 OPB890P51Z Optek / TT Electronics 1: $6.43 666In Stock	Mfr. Part No. OPB890P51Z Mouser Part No 828-OPB890P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	666In Stock	$6.43 $5.78 $5.54	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 OPB890T51Z Optek / TT Electronics 1: $6.34 1,277In Stock	Mfr. Part No. OPB890T51Z Mouser Part No 828-OPB890T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	1,277In Stock	$6.34 $6.11	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Slotted OPB891T51Z Optek / TT Electronics 1: $6.43 502In Stock	Mfr. Part No. OPB891T51Z Mouser Part No 828-OPB891T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Slotted Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	502In Stock	$6.43 $6.11	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Optical Switch Photologic OPB120B Optek / TT Electronics 1: $7.58 273In Stock	Mfr. Part No. OPB120B Mouser Part No 828-OPB120B	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Optical Switch Photologic	Datasheet	273In Stock	$7.58 $7.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	2.03 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch OPB491T11Z Optek / TT Electronics 1: $6.56 1,018In Stock	Mfr. Part No. OPB491T11Z Mouser Part No 828-OPB491T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch	Datasheet	1,018In Stock	$6.56	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch OPB615 Optek / TT Electronics 1: $3.14 938In Stock	Mfr. Part No. OPB615 Mouser Part No 828-OPB615	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch	Datasheet	938In Stock	$3.14 $2.99 $2.83	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.81 mm
Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch OPB618 Optek / TT Electronics 1: $3.03 2,820In Stock	Mfr. Part No. OPB618 Mouser Part No 828-OPB618	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch	Datasheet	2,820In Stock	$3.03 $2.91	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.81 mm
Optical Switches, Transmissive, Photo IC Output Output Photologic Input Diode OPB625 Optek / TT Electronics 1: $3.28 3,023In Stock	Mfr. Part No. OPB625 Mouser Part No 828-OPB625	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Output Photologic Input Diode	Datasheet	3,023In Stock	$3.28 $3.03	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	4.83 mm