.hide-partial { max-height: none; } .show-more { display: none; }

Transmissive, Slotted Optical Switches

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Optical Switches

List Images

Results: 496

Applied Filters:

Sensing Method = Transmissive, Slotted

Manufacturer

Product Type

Slot Width

Sensing Distance

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 OPB880L51Z Optek / TT Electronics 1: $5.03 416In Stock	Mfr. Part # OPB880L51Z Mouser Part # 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	$5.03 $4.65	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: $5.03 629In Stock 1,300Expected 11/5/2026	Mfr. Part # OPB880T51Z Mouser Part # 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	629In Stock 1,300Expected 11/5/2026	$5.03 $5.02 $4.95 $4.83 $4.71	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: $4.90 423In Stock 1,200Expected 12/31/2026	Mfr. Part # OPB880T55Z Mouser Part # 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	423In Stock 1,200Expected 12/31/2026	$4.90 $4.62	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 OPB890P51Z Optek / TT Electronics 1: $4.73 666In Stock	Mfr. Part # OPB890P51Z Mouser Part # 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	$4.73 $4.25 $4.07	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: $4.66 1,277In Stock	Mfr. Part # OPB890T51Z Mouser Part # 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	$4.66 $4.49	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: $4.73 502In Stock	Mfr. Part # OPB891T51Z Mouser Part # 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	$4.73 $4.49	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: $5.57 273In Stock	Mfr. Part # OPB120B Mouser Part # 828-OPB120B	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Optical Switch Photologic	Datasheet	273In Stock	$5.57 $5.35	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: $4.82 1,003In Stock	Mfr. Part # OPB491T11Z Mouser Part # 828-OPB491T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch	Datasheet	1,003In Stock	$4.82	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: $2.31 960In Stock	Mfr. Part # OPB615 Mouser Part # 828-OPB615	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch	Datasheet	960In Stock	$2.31 $2.20 $2.08	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: $2.23 3,220In Stock	Mfr. Part # OPB618 Mouser Part # 828-OPB618	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch	Datasheet	3,220In Stock	$2.23 $2.14	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: $2.41 3,063In Stock	Mfr. Part # OPB625 Mouser Part # 828-OPB625	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Output Photologic Input Diode	Datasheet	3,063In Stock	$2.41 $2.23	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	4.83 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB900W55Z Optek / TT Electronics 1: $6.73 1,998In Stock	Mfr. Part # OPB900W55Z Mouser Part # 828-OPB900W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	1,998In Stock	$6.73 $6.54	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	9.5 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB916BOCZ Optek / TT Electronics 1: $5.56 504In Stock	Mfr. Part # OPB916BOCZ Mouser Part # 828-OPB916BOCZ	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	504In Stock	$5.56 $5.27 $5.08 $5.05	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5.08 mm
Optical Switches, Transmissive, Photo IC Output .13in SLOT INFRARED OPB930W55Z Optek / TT Electronics 1: $6.14 771In Stock	Mfr. Part # OPB930W55Z Mouser Part # 828-OPB930W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output .13in SLOT INFRARED	Datasheet	771In Stock	$6.14 $6.13 $6.10 $6.00 View $5.89 $5.80	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output OPEN COLLECTOR 880nm OPB931W51Z Optek / TT Electronics 1: $6.56 554In Stock	Mfr. Part # OPB931W51Z Mouser Part # 828-OPB931W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output OPEN COLLECTOR 880nm	Datasheet	554In Stock	$6.56 $6.55 $6.15 $6.10	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB940W51Z Optek / TT Electronics 1: $6.11 766In Stock	Mfr. Part # OPB940W51Z Mouser Part # 828-OPB940W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	766In Stock	$6.11 $6.00	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 OPB970N11 Optek / TT Electronics 1: $4.11 756In Stock	Mfr. Part # OPB970N11 Mouser Part # 828-OPB970N11	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	756In Stock	$4.11 $3.88	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 OPB970N51 Optek / TT Electronics 1: $3.97 904In Stock	Mfr. Part # OPB970N51 Mouser Part # 828-OPB970N51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	904In Stock	$3.97 $3.55	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output BASE MOUNT OPAQUE OPB971N51 Optek / TT Electronics 1: $3.61 814In Stock	Mfr. Part # OPB971N51 Mouser Part # 828-OPB971N51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output BASE MOUNT OPAQUE	Datasheet	814In Stock	$3.61 $3.52	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 OPB973N51 Optek / TT Electronics 1: $3.55 715In Stock	Mfr. Part # OPB973N51 Mouser Part # 828-OPB973N51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	715In Stock	$3.55 $3.50	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 OPB973T51 Optek / TT Electronics 1: $3.67 552In Stock	Mfr. Part # OPB973T51 Mouser Part # 828-OPB973T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	552In Stock	$3.67 $3.52 $3.50	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 OPB980L55Z Optek / TT Electronics 1: $5.91 350In Stock	Mfr. Part # OPB980L55Z Mouser Part # 828-OPB980L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	350In Stock	$5.91 $5.54 $5.49	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 OPB981T51Z Optek / TT Electronics 1: $5.99 249In Stock 400Expected 10/30/2026	Mfr. Part # OPB981T51Z Mouser Part # 828-OPB981T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	249In Stock 400Expected 10/30/2026	$5.99 $5.98 $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 OPB982P51Z Optek / TT Electronics 1: $5.99 490In Stock	Mfr. Part # OPB982P51Z Mouser Part # 828-OPB982P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	490In Stock	$5.99 $5.68	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS OPB982T51Z Optek / TT Electronics 1: $6.15 272In Stock	Mfr. Part # OPB982T51Z Mouser Part # 828-OPB982T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS	Datasheet	272In Stock	$6.15 $6.10 $5.61	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm