.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, Photo IC Output Transmiss Surf Mnt 4mm Light ON 80mW EE-SX4340 Aratas 1: $1.87 A tariff of 7% may be applied if shipping to the United States. 6In Stock 4,000On Order	Mfr. Part # EE-SX4340 Mouser Part # 653-EE-SX4340	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Surf Mnt 4mm Light ON 80mW Learn More about Aratas omroneesy1200	Datasheet	6In Stock 4,000On Order On Order Ship Dates Mfr. #: EE-SX4340 Stock: 6 Can Ship Immediately On Order: 1,000 Expected 3/19/2027 1,000 Expected 4/9/2027 2,000 Expected 6/11/2027 Factory Lead-Time: 26 Weeks	Cut Tape $1.87 $1.61 $1.54 $1.41 Reel $1.35 View $1.33 $1.24 A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	4 mm
Optical Switches, Transmissive, Photo IC Output 15MM LIGHTON TRANS EE-SX461-P11 Aratas 1: $5.23 A tariff of 20% may be applied if shipping to the United States. 561In Stock 4,550On Order	Mfr. Part # EE-SX461-P11 Mouser Part # 653-EE-SX461-P11	Aratas	Optical Switches, Transmissive, Photo IC Output 15MM LIGHTON TRANS Learn More about Aratas omroneesy1200	Datasheet	561In Stock 4,550On Order On Order Ship Dates Mfr. #: EE-SX461-P11 Stock: 561 Can Ship Immediately On Order: 2,000 Expected 12/25/2026 2,550 Expected 1/1/2027 Factory Lead-Time: 26 Weeks	$5.23 $4.22 $4.21 $3.85 View $3.70 $3.57 Quote A tariff of 20% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	15 mm
Optical Switches, Transmissive, Photo IC Output OPAQUE Light-ON EE-SX484 Aratas 1: $6.39 A tariff of 7% may be applied if shipping to the United States. 115In Stock	Mfr. Part # EE-SX484 Mouser Part # 653-EE-SX484	Aratas	Optical Switches, Transmissive, Photo IC Output OPAQUE Light-ON Learn More about Aratas omroneesy1200	Datasheet	115In Stock	$6.39 $5.61 $5.08 $4.71 $4.62 A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.5 mm
Optical Switches, Transmissive, Phototransistor Output Horizontal Aperture Phototransistor EE-SX1096-W11 Aratas 1: $12.15 A tariff of 7% may be applied if shipping to the United States. 100In Stock	Mfr. Part # EE-SX1096-W11 Mouser Part # 653-EESX1096W11	Aratas	Optical Switches, Transmissive, Phototransistor Output Horizontal Aperture Phototransistor Learn More about Aratas omron optical sensors	Datasheet	100In Stock	$12.15 $10.76 $10.34 $9.45 $9.39 A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.4 mm	3.4 mm
Optical Switches, Transmissive, Phototransistor Output SMT, 2mm Transmissive Photo EE-SX1321 Aratas 1: $1.35 A tariff of 7% may be applied if shipping to the United States. 179In Stock 28,000On Order	Mfr. Part # EE-SX1321 Mouser Part # 653-EESX1321	Aratas	Optical Switches, Transmissive, Phototransistor Output SMT, 2mm Transmissive Photo Learn More about Aratas omroneesy1200	Datasheet	179In Stock 28,000On Order On Order Ship Dates Mfr. #: EE-SX1321 Stock: 179 Can Ship Immediately On Order: 10,000 Expected 6/4/2027 18,000 Expected 6/25/2027 Factory Lead-Time: 26 Weeks	Cut Tape $1.35 $1.15 $1.10 $1.04 Reel $1.04 MouseReel Available A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm	2 mm
Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC Dark ON 5mm EE-SX3350 Aratas 1: $2.01 A tariff of 7% may be applied if shipping to the United States. 63In Stock 3,200Expected 12/25/2026	Mfr. Part # EE-SX3350 Mouser Part # 653-EESX3350	Aratas	Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC Dark ON 5mm Learn More about Aratas omron optical sensors	Datasheet	63In Stock 3,200Expected 12/25/2026	Cut Tape $2.01 $1.73 $1.53 Reel $1.47 $1.41 View $1.38 $1.36 Quote MouseReel Available A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Light On) EE-SX4088-W11 Aratas 1: $12.10 A tariff of 7% may be applied if shipping to the United States. 50In Stock	Mfr. Part # EE-SX4088-W11 Mouser Part # 653-EESX4088W11	Aratas	Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Light On) Learn More about Aratas omron optical sensors	Datasheet	50In Stock	$12.10 $10.71 $9.91 $8.86 $8.77 A tariff of 7% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Phototransistor Output 3mm Gap 950nm TCST1230 Vishay Semiconductors 1: $1.19 60In Stock 19,200On Order	Mfr. Part # TCST1230 Mouser Part # 782-TCST1230	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output 3mm Gap 950nm Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	60In Stock 19,200On Order On Order Ship Dates Mfr. #: TCST1230 Stock: 60 Can Ship Immediately On Order: 4,800 Expected 11/5/2026 14,400 Expected 2/26/2027 Factory Lead-Time: 13 Weeks	$1.19 $0.898 $0.80 $0.762 View $0.704 $0.676 $0.667	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.8 mm
Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output TCST2300 Vishay Semiconductors 1: $1.36 1,035In Stock	Mfr. Part # TCST2300 Mouser Part # 782-TCST2300	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	1,035In Stock	$1.36 $1.13 $1.02 $0.939 View $0.855 $0.825 $0.814	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.1 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB380T51Z Optek / TT Electronics 1: $5.08 4,312In Stock	Mfr. Part # OPB380T51Z Mouser Part # 828-OPB380T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	4,312In Stock	$5.08 $4.85 $4.84	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED OPB620 Optek / TT Electronics 1: $1.78 12,112In Stock	Mfr. Part # OPB620 Mouser Part # 828-OPB620	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED	Datasheet	12,112In Stock	$1.78 $1.64	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.83 mm	4.83 mm
Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir OPB815WZ Optek / TT Electronics 1: $5.34 2,821In Stock	Mfr. Part # OPB815WZ Mouser Part # 828-OPB815WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir	Datasheet	2,821In Stock	$5.34 $5.33 $5.31 $5.22 View $5.19 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY OPB831W55Z Optek / TT Electronics 1: $5.03 3,024In Stock	Mfr. Part # OPB831W55Z Mouser Part # 828-OPB831W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY	Datasheet	3,024In Stock	$5.03 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED OPB848 Optek / TT Electronics 1: $2.49 9,145In Stock	Mfr. Part # OPB848 Mouser Part # 828-OPB848	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED	Datasheet	9,145In Stock	$2.49 $2.34 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.54 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD RPI-0125 ROHM Semiconductor 1: $1.04 A tariff of 70% may be applied if shipping to the United States. 357In Stock 10,500Expected 12/1/2026 End of Life	Mfr. Part # RPI-0125 Mouser Part # 755-RPI-0125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD	Datasheet	357In Stock 10,500Expected 12/1/2026	Cut Tape $1.04 $0.839 $0.692 Reel $0.691 $0.648 View $0.618 $0.571 $0.41 A tariff of 70% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 750	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter RPI-0226 ROHM Semiconductor 1: $0.83 A tariff of 70% may be applied if shipping to the United States. 200In Stock 13,290On Order End of Life	Mfr. Part # RPI-0226 Mouser Part # 755-RPI-0226 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter	Datasheet	200In Stock 13,290On Order On Order Ship Dates Mfr. #: RPI-0226 Stock: 200 Can Ship Immediately On Order: 1,290 Expected 11/5/2026 12,000 Expected 1/11/2027 Factory Lead-Time: 12 Weeks	Cut Tape $0.83 $0.702 $0.67 $0.619 Reel $0.54 View $0.595 $0.511 $0.473 MouseReel Available A tariff of 70% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm RPI-0352E ROHM Semiconductor 1: $0.72 1,381In Stock 3,000Expected 2/15/2027 End of Life	Mfr. Part # RPI-0352E Mouser Part # 755-RPI-0352E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm	Datasheet	1,381In Stock 3,000Expected 2/15/2027	Cut Tape $0.72 $0.604 $0.576 $0.521 Reel $0.50 View $0.471 $0.452 $0.444 $0.443 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; HIGH RES RPI-125 ROHM Semiconductor 1: $0.87 1,732In Stock End of Life	Mfr. Part # RPI-125 Mouser Part # 755-RPI-125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; HIGH RES	Datasheet	1,732In Stock	$0.87 $0.736 $0.703 $0.638 View $0.62 $0.602 $0.544 $0.52	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter RPI-441C1E ROHM Semiconductor 1: $0.70 A tariff of 70% may be applied if shipping to the United States. 3,193In Stock End of Life	Mfr. Part # RPI-441C1E Mouser Part # 755-RPI-441C1E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter	Datasheet	3,193In Stock	$0.70 $0.59 $0.563 $0.509 View $0.488 $0.476 $0.442 $0.42 $0.393 A tariff of 70% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4 mm
Optical Switches, Transmissive, Phototransistor Output Quad Trans Opt Snsr 3mm gap; 0.3mm aptre TCUT1800X01_A Vishay Semiconductors 1: $2.10 94In Stock	Mfr. Part # TCUT1800X01_A Mouser Part # 78-TCUT1800X01	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Quad Trans Opt Snsr 3mm gap; 0.3mm aptre	Datasheet	94In Stock	Cut Tape $2.10 $1.81 $1.65 Reel $1.36 $1.29 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,100	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space LITEON LTH-301-32 LTH-301-32 LITEON 1: $1.17 A tariff of 30% may be applied if shipping to the United States. 9In Stock 2,310Expected 11/2/2026	Mfr. Part # LTH-301-32 Mouser Part # 859-LTH-301-32	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space	Datasheet	9In Stock 2,310Expected 11/2/2026	$1.17 $0.885 $0.829 $0.67 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	15 mm	15 mm
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.6mm space LITEON LTH-301A LTH-301A LITEON 1: $0.76 A tariff of 30% may be applied if shipping to the United States. 807In Stock	Mfr. Part # LTH-301A Mouser Part # 859-LTH-301A	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.6mm space	Datasheet	807In Stock	$0.76 $0.635 $0.572 $0.548 View $0.527 $0.511 $0.48 $0.456 $0.442 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.2 mm	5.2 mm
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space LITEON LTH-306-04M LTH-306-04M LITEON 1: $0.70 A tariff of 30% may be applied if shipping to the United States. 1,825In Stock	Mfr. Part # LTH-306-04M Mouser Part # 859-LTH-306-04M	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space	Datasheet	1,825In Stock	$0.70 $0.591 $0.532 $0.509 View $0.46 $0.437 $0.42 $0.393 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm OPB100Z Optek / TT Electronics 1: $7.69 1,503In Stock	Mfr. Part # OPB100Z Mouser Part # 828-OPB100Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm	Datasheet	1,503In Stock	$7.69 $7.33	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted		914 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Switch OPB315WZ Optek / TT Electronics 1: $6.95 363In Stock	Mfr. Part # OPB315WZ Mouser Part # 828-OPB315WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Switch	Datasheet	363In Stock	$6.95 $6.59	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	22.86 mm	22.86 mm