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Transmissive, Slotted Optical Switches

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Sensing Method = Transmissive, Slotted

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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, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output TCST1202 Vishay Semiconductors 1: $1.46 2,056In Stock	Mfr. Part # TCST1202 Mouser Part # 782-TCST1202	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	2,056In Stock	$1.46 $1.21 $1.09 $0.935 View $0.885 $0.818 $0.793 $0.77	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.1 mm
Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output Vishay Semiconductors TCST2202 TCST2202 Vishay Semiconductors 1: $1.30 1,870In Stock	Mfr. Part # TCST2202 Mouser Part # 782-TCST2202	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	1,870In Stock	$1.30 $1.07 $1.03 $0.928 View $0.873 $0.862 $0.763 $0.754	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.1 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor LITEON LTH-301-07 LTH-301-07 LITEON 1: $0.76 4,432In Stock 8,500Expected 11/25/2026	Mfr. Part # LTH-301-07 Mouser Part # 859-LTH-301-07	LITEON	Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor	Datasheet	4,432In Stock 8,500Expected 11/25/2026	$0.76 $0.635 $0.572 $0.548 View $0.527 $0.518 $0.483 $0.468 $0.427	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output 3.4X2.7MM REFLECTIVE PHOTOINTERRUPTER LED ATIR0721DS Kingbright 1: $0.77 50In Stock	Mfr. Part # ATIR0721DS Mouser Part # 604-ATIR0721DS	Kingbright	Optical Switches, Transmissive, Phototransistor Output 3.4X2.7MM REFLECTIVE PHOTOINTERRUPTER LED	Datasheet	50In Stock	Cut Tape $0.77 $0.652 $0.623 $0.564 Reel $0.535 View $0.504 $0.483 $0.464 $0.445	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR EE-SX1018 Aratas 1: $3.02 206In Stock	Mfr. Part # EE-SX1018 Mouser Part # 653-EE-SX1018	Aratas	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR Learn More about Aratas omron optical sensors	Datasheet	206In Stock	$3.02 $2.62 $2.42 $2.15 $2.07	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm	2 mm
Optical Switches, Transmissive, Phototransistor Output TRANS PHTOTRANSISTOR EE-SX1035 Aratas 1: $3.60 342In Stock 790On Order	Mfr. Part # EE-SX1035 Mouser Part # 653-EE-SX1035	Aratas	Optical Switches, Transmissive, Phototransistor Output TRANS PHTOTRANSISTOR Learn More about Aratas omroneesy1200	Datasheet	342In Stock 790On Order On Order Ship Dates Mfr. #: EE-SX1035 Stock: 342 Can Ship Immediately On Order: 330 Expected 12/25/2026 460 Expected 1/1/2027 Factory Lead-Time: 26 Weeks	$3.60 $3.17	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.2 mm	5.2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR EE-SX1046 Aratas 1: $4.17 247In Stock 750On Order	Mfr. Part # EE-SX1046 Mouser Part # 653-EE-SX1046	Aratas	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR Learn More about Aratas omron optical sensors	Datasheet	247In Stock 750On Order On Order Ship Dates Mfr. #: EE-SX1046 Stock: 247 Can Ship Immediately On Order: 250 Expected 11/17/2026 500 Expected 11/20/2026 Factory Lead-Time: 26 Weeks	$4.17 $3.63 $3.17 $2.98 View $2.85 $2.69	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm	3 mm
Optical Switches, Transmissive, Phototransistor Output Transmissive 5.4mm PCB Type EE-SX1055 Aratas 1: $2.87 25In Stock	Mfr. Part # EE-SX1055 Mouser Part # 653-EE-SX1055	Aratas	Optical Switches, Transmissive, Phototransistor Output Transmissive 5.4mm PCB Type Learn More about Aratas omroneesy1200	Datasheet	25In Stock	$2.87 $2.48 $2.38 $2.16 View $2.07 $1.92 $1.84 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.8 mm
Optical Switches, Transmissive, Phototransistor Output TRANS PHTOTRANSISTOR EE-SX1071 Aratas 1: $1.92 122In Stock 100Expected 11/27/2026	Mfr. Part # EE-SX1071 Mouser Part # 653-EE-SX1071	Aratas	Optical Switches, Transmissive, Phototransistor Output TRANS PHTOTRANSISTOR Learn More about Aratas omroneesy1200	Datasheet	122In Stock 100Expected 11/27/2026	$1.92 $1.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.4 mm	3.4 mm
Optical Switches, Transmissive, Phototransistor Output PHOTO MICROSENSOR EE-SX153 Aratas 1: $4.52 60In Stock	Mfr. Part # EE-SX153 Mouser Part # 653-EE-SX153	Aratas	Optical Switches, Transmissive, Phototransistor Output PHOTO MICROSENSOR Learn More about Aratas omron optical sensors	Datasheet	60In Stock	$4.52 $3.94 $3.40 $3.13	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Dark ON 16mA EE-SX3162-P1 Aratas 1: $3.20 204In Stock	Mfr. Part # EE-SX3162-P1 Mouser Part # 653-EE-SX3162-P1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Dark ON 16mA Learn More about Aratas omroneesy1200	Datasheet	204In Stock	$3.20 $2.78 $2.62 $2.43 View $2.27 $2.24 $2.20	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt Zen 5mm Dark ON 16mA EE-SX3162-P1-Z Aratas 1: $3.60 3In Stock	Mfr. Part # EE-SX3162-P1-Z Mouser Part # 653-EE-SX3162-P1-Z	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt Zen 5mm Dark ON 16mA Learn More about Aratas omron optical sensors	Datasheet	3In Stock	$3.60 $3.12 $2.89 $2.50 View $2.38 $2.34 $2.31	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm Dark ON 16mA EE-SX3163-P1 Aratas 1: $3.41 93In Stock	Mfr. Part # EE-SX3163-P1 Mouser Part # 653-EE-SX3163-P1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm Dark ON 16mA Learn More about Aratas omron optical sensors	Datasheet	93In Stock	$3.41 $2.96 $2.79 $2.54 View $2.43 $2.40 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Horiz Mnt 5mm Dark ON 16mA EE-SX3164-P1 Aratas 1: $3.20 176In Stock	Mfr. Part # EE-SX3164-P1 Mouser Part # 653-EE-SX3164-P1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Horiz Mnt 5mm Dark ON 16mA Learn More about Aratas omron optical sensors	Datasheet	176In Stock	$3.20 $2.78 $2.62 $2.31 View $2.22 $2.17 $2.13	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output QPAQUE Dark-ON EE-SX384 Aratas 1: $7.67 33In Stock	Mfr. Part # EE-SX384 Mouser Part # 653-EE-SX384	Aratas	Optical Switches, Transmissive, Photo IC Output QPAQUE Dark-ON Learn More about Aratas omron optical sensors	Datasheet	33In Stock	$7.67 $6.71 $4.95 $4.71 $4.62	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.5 mm
Optical Switches, Transmissive, Photo IC Output TRNS DRK-ON/LIGHT-ON EE-SX398 Aratas 1: $2.59 134In Stock 1,000Expected 11/20/2026	Mfr. Part # EE-SX398 Mouser Part # 653-EE-SX398	Aratas	Optical Switches, Transmissive, Photo IC Output TRNS DRK-ON/LIGHT-ON Learn More about Aratas omron optical sensors	Datasheet	134In Stock 1,000Expected 11/20/2026	$2.59 $2.24 $1.99 $1.96 View $1.90 $1.86 $1.82	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Photo IC Output LIGHT-ON EE-SX4088 Aratas 1: $5.39 199In Stock	Mfr. Part # EE-SX4088 Mouser Part # 653-EE-SX4088	Aratas	Optical Switches, Transmissive, Photo IC Output LIGHT-ON Learn More about Aratas omroneesy1200	Datasheet	199In Stock	$5.39 $4.39 $3.61 $3.26 View $3.17 $3.13	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Light ON 16mA EE-SX4162-P1 Aratas 1: $3.37 2In Stock	Mfr. Part # EE-SX4162-P1 Mouser Part # 653-EE-SX4162-P1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Light ON 16mA Learn More about Aratas omroneesy1200	Datasheet	2In Stock	$3.37 $2.92 $2.55 $2.35 View $2.24 $2.18 $2.12	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt Zen 5mm LightON 16mA EE-SX4162-P1-Z Aratas 1: $3.37 141In Stock	Mfr. Part # EE-SX4162-P1-Z Mouser Part # 653-EE-SX4162-P1-Z	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt Zen 5mm LightON 16mA Learn More about Aratas omron optical sensors	Datasheet	141In Stock	$3.37 $2.93 $2.84 $2.48 View $2.33 $2.29 $2.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Light ON 16mA EE-SX4162-P2 Aratas 1: $5.02 68In Stock 1,059Expected 4/26/2027	Mfr. Part # EE-SX4162-P2 Mouser Part # 653-EE-SX4162-P2	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss Side Mnt 5mm Light ON 16mA Learn More about Aratas omroneesy1200	Datasheet	68In Stock 1,059Expected 4/26/2027	$5.02 $3.65 $2.80 $2.46 View $2.34 $2.25 $2.16	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm LightON 16mA EE-SX4163-P1 Aratas 1: $3.35 121In Stock	Mfr. Part # EE-SX4163-P1 Mouser Part # 653-EE-SX4163-P1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm LightON 16mA Learn More about Aratas omron optical sensors	Datasheet	121In Stock	$3.35 $2.90 $2.51 $2.43 View $2.31 $2.27 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm LightON 16mA EE-SX4163-P2 Aratas 1: $3.40 232In Stock 900On Order	Mfr. Part # EE-SX4163-P2 Mouser Part # 653-EE-SX4163-P2	Aratas	Optical Switches, Transmissive, Photo IC Output Transmiss L-Shaped Mnt 5mm LightON 16mA Learn More about Aratas omron optical sensors	Datasheet	232In Stock 900On Order On Order Ship Dates Mfr. #: EE-SX4163-P2 Stock: 232 Can Ship Immediately On Order: 300 Expected 11/27/2026 600 Expected 4/9/2027 Factory Lead-Time: 26 Weeks	$3.40 $2.94 $2.77 $2.52 View $2.43 $2.37 $2.32 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Phototransistor Output Photo IC 5mm slot 5V 1.4x0.5 Light-ON EE-SX4173-P2 Aratas 1: $3.62 427In Stock 1,500On Order	Mfr. Part # EE-SX4173-P2 Mouser Part # 653-EE-SX4173-P2	Aratas	Optical Switches, Transmissive, Phototransistor Output Photo IC 5mm slot 5V 1.4x0.5 Light-ON Learn More about Aratas omron ee sx3173 sx4173 photomicrosensors	Datasheet	427In Stock 1,500On Order On Order Ship Dates Mfr. #: EE-SX4173-P2 Stock: 427 Can Ship Immediately On Order: 450 Expected 3/5/2027 1,050 Expected 4/9/2027 Factory Lead-Time: 26 Weeks	$3.62 $3.14 $2.79 $2.63 View $2.46 $2.36	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output Photo IC 5mm slot 24V 1.4x1.4 Light-ON EE-SX4173-P3-Z Aratas 1: $3.81 124In Stock	Mfr. Part # EE-SX4173-P3-Z Mouser Part # 653-EE-SX4173-P3-Z	Aratas	Optical Switches, Transmissive, Phototransistor Output Photo IC 5mm slot 24V 1.4x1.4 Light-ON Learn More about Aratas omron ee sx3173 sx4173 photomicrosensors	Datasheet	124In Stock	$3.81 $3.32 $3.13 $2.75 View $2.64 $2.61 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Photo IC Output Transmissive SMD type PhotoMicroSensor Ultra-compact Photo IC Output sensor 3mm EE-SX4330-1 Aratas 1: $3.80 8In Stock	Mfr. Part # EE-SX4330-1 Mouser Part # 653-EE-SX4330-1	Aratas	Optical Switches, Transmissive, Photo IC Output Transmissive SMD type PhotoMicroSensor Ultra-compact Photo IC Output sensor 3mm Learn More about Aratas omron ee sx4330 photo microsensor	Datasheet	8In Stock	$3.80 $3.31 $3.00 $2.80 View $2.60 $2.54 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3 mm