.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: 505

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 OPB375N51 Optek / TT Electronics 1: $2.54 345In Stock	Mfr. Part No. OPB375N51 Mouser Part No 828-OPB375N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	345In Stock	$2.54 $2.31 $2.28	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 OPB870P55 Optek / TT Electronics 1: $2.50 519In Stock	Mfr. Part No. OPB870P55 Mouser Part No 828-OPB870P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	519In Stock	$2.50 $2.45	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 OPB890T55Z Optek / TT Electronics 1: $4.58 179In Stock	Mfr. Part No. OPB890T55Z Mouser Part No 828-OPB890T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	179In Stock	$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 OPB370N51 Optek / TT Electronics 1: $2.81 438In Stock	Mfr. Part No. OPB370N51 Mouser Part No 828-OPB370N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	438In Stock	$2.81 $2.78 $2.73 $2.72 Quote Quote	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 OPB881L55Z Optek / TT Electronics 1: $4.87 50In Stock	Mfr. Part No. OPB881L55Z Mouser Part No 828-OPB881L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	50In Stock	$4.87	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 OPB390P55Z Optek / TT Electronics 1: $5.68 100In Stock	Mfr. Part No. OPB390P55Z Mouser Part No 828-OPB390P55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	100In Stock	$5.68 $5.12 $5.09 $5.04 View $5.01 Quote	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 OPB841L55 Optek / TT Electronics 1: $3.17 238In Stock 500Expected 2026/10/23	Mfr. Part No. OPB841L55 Mouser Part No 828-OPB841L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	238In Stock 500Expected 2026/10/23	$3.17 $2.93	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 OPB360L11 Optek / TT Electronics 1: $3.07 371In Stock	Mfr. Part No. OPB360L11 Mouser Part No 828-OPB360L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	371In Stock	$3.07 $2.92	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 OPB370T51 Optek / TT Electronics 1: $2.79 272In Stock	Mfr. Part No. OPB370T51 Mouser Part No 828-OPB370T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	272In Stock	$2.79 $2.61 $2.54 $2.52	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB960N55 Optek / TT Electronics 1: $3.56 370In Stock	Mfr. Part No. OPB960N55 Mouser Part No 828-OPB960N55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	370In Stock	$3.56 $3.22	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 OPB960P51 Optek / TT Electronics 1: $3.61 1,393In Stock	Mfr. Part No. OPB960P51 Mouser Part No 828-OPB960P51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	1,393In Stock	$3.61 $3.33 $3.29	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 OPB963T51 Optek / TT Electronics 1: $3.92 481In Stock	Mfr. Part No. OPB963T51 Mouser Part No 828-OPB963T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	481In Stock	$3.92 $3.62 $3.58 $3.38	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 OPB970T51 Optek / TT Electronics 1: $4.09 299In Stock	Mfr. Part No. OPB970T51 Mouser Part No 828-OPB970T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	299In Stock	$4.09 $3.68	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB942W55Z Optek / TT Electronics 1: $6.01 195In Stock	Mfr. Part No. OPB942W55Z Mouser Part No 828-OPB942W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	195In Stock	$6.01 $5.42	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 OPB972T55 Optek / TT Electronics 1: $3.51 213In Stock	Mfr. Part No. OPB972T55 Mouser Part No 828-OPB972T55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	213In Stock	$3.51 $3.33 $3.29	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 OPB981L55Z Optek / TT Electronics 1: $6.61 139In Stock	Mfr. Part No. OPB981L55Z Mouser Part No 828-OPB981L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	139In Stock	$6.61 $5.68	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 OPB990T11Z Optek / TT Electronics 1: $6.11 212In Stock	Mfr. Part No. OPB990T11Z Mouser Part No 828-OPB990T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	212In Stock	$6.11 $5.77	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 OPB992P51Z Optek / TT Electronics 1: $5.93 155In Stock	Mfr. Part No. OPB992P51Z Mouser Part No 828-OPB992P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	155In Stock	$5.93 $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 Photologic OPB990P11Z Optek / TT Electronics 1: $6.61 164In Stock	Mfr. Part No. OPB990P11Z Mouser Part No 828-OPB990P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	164In Stock	$6.61 $6.07	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB876N55 Optek / TT Electronics 1: $2.95 387In Stock	Mfr. Part No. OPB876N55 Mouser Part No 828-OPB876N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	387In Stock	$2.95 $2.66 $2.63	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 OPB880N11Z Optek / TT Electronics 1: $5.51 141In Stock	Mfr. Part No. OPB880N11Z Mouser Part No 828-OPB880N11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	141In Stock	$5.51 $4.98	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB970N55 Optek / TT Electronics 1: $3.66 377In Stock	Mfr. Part No. OPB970N55 Mouser Part No 828-OPB970N55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	377In Stock	$3.66 $3.30 $3.27	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 OPB960N11 Optek / TT Electronics 1: $4.09 261In Stock	Mfr. Part No. OPB960N11 Mouser Part No 828-OPB960N11	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	261In Stock	$4.09 $3.68	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB932W55Z Optek / TT Electronics 1: $6.54 197In Stock	Mfr. Part No. OPB932W55Z Mouser Part No 828-OPB932W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	197In Stock	$6.54 $6.33 $6.01 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Single Channel Slotted Interrupter with Phototransistor output VT171P Vishay Semiconductors 1: $1.66 1,245In Stock New Product	Mfr. Part No. VT171P Mouser Part No 78-VT171P New Product	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Single Channel Slotted Interrupter with Phototransistor output Learn More about Vishay Semiconductors vishay semi vt17 transmissive sensors	Datasheet	1,245In Stock	Cut Tape $1.66 $1.17 $0.889 $0.761 Reel $0.638 View $0.608 $0.587 $0.564 MouseReel Available	Min.: 1 Mult.: 1 : 1,300	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm