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Optical Switches

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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 Vishay Semiconductors TCST2300 TCST2300 Vishay Semiconductors 1: $1.36 1,022In Stock	Mfr. Part No. TCST2300 Mouser Part No 782-TCST2300	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Trans Optical Sensor w/Phototrans Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	1,022In 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 3,911In Stock	Mfr. Part No. OPB380T51Z Mouser Part No 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	3,911In 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 11,780In Stock	Mfr. Part No. OPB620 Mouser Part No 828-OPB620	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED	Datasheet	11,780In Stock	$1.78 $1.64	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.83 mm	4.83 mm
Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB700ALZ Optek / TT Electronics 1: $10.42 1,535In Stock	Mfr. Part No. OPB700ALZ Mouser Part No 828-OPB700ALZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,535In Stock	$10.42 $10.23	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		5.08 mm
Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir OPB815WZ Optek / TT Electronics 1: $5.34 2,808In Stock 3,000Expected 13/04/2027	Mfr. Part No. OPB815WZ Mouser Part No 828-OPB815WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir	Datasheet	2,808In Stock 3,000Expected 13/04/2027	$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 No. OPB831W55Z Mouser Part No 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 9,045In Stock	Mfr. Part No. OPB848 Mouser Part No 828-OPB848	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED	Datasheet	9,045In 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 SMT 2.0mm Gap GP1S092HCPIF Sharp Microelectronics 1: $0.61 5,630In Stock 30,000Expected 04/11/2026	Mfr. Part No. GP1S092HCPIF Mouser Part No 852-GP1S092HCPIF	Sharp Microelectronics	Optical Switches, Transmissive, Phototransistor Output Photointerrupter SMT 2.0mm Gap	Datasheet	5,630In Stock 30,000Expected 04/11/2026	Cut Tape $0.61 $0.512 $0.455 $0.391 Reel $0.353 View $0.37 $0.335 $0.313 $0.295 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Reflective, Photo IC Output Photointerrupter OPIC Light Mod GP2A240LCS0F Sharp Microelectronics 1: $5.59 25In Stock 200Expected 04/11/2026	Mfr. Part No. GP2A240LCS0F Mouser Part No 852-GP2A240LCS0F	Sharp Microelectronics	Optical Switches, Reflective, Photo IC Output Photointerrupter OPIC Light Mod	Datasheet	25In Stock 200Expected 04/11/2026	$5.59 $4.89 $4.71 $4.32 View $4.20 $4.13	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		2 mm to 22 mm
Optical Switches, Reflective, Phototransistor Output Photointerrupter Phototransistor LTH-1550-01 LITEON 1: $0.62 2,362In Stock	Mfr. Part No. LTH-1550-01 Mouser Part No 859-LTH-1550-01	LITEON	Optical Switches, Reflective, Phototransistor Output Photointerrupter Phototransistor	Datasheet	2,362In Stock	$0.62 $0.518 $0.466 $0.445 View $0.428 $0.419 $0.391 $0.369 $0.366	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD RPI-0125 ROHM Semiconductor 1: $1.04 332In Stock 29,250On Order End of Life	Mfr. Part No. RPI-0125 Mouser Part No 755-RPI-0125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD	Datasheet	332In Stock 29,250On Order On Order Ship Dates Mfr. No: RPI-0125 Stock: 332 Can Dispatch Immediately On Order: 10,500 Expected 01/12/2026 18,750 Expected 18/01/2027 Factory Lead Time: 12 Weeks	Cut Tape $1.04 $0.839 $0.692 Reel $0.691 $0.648 View $0.618 $0.571 $0.41	Min.: 1 Mult.: 1 : 750	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm RPI-0352E ROHM Semiconductor 1: $0.72 1,381In Stock 3,000Expected 15/02/2027 End of Life	Mfr. Part No. RPI-0352E Mouser Part No 755-RPI-0352E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm	Datasheet	1,381In Stock 3,000Expected 15/02/2027	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 No. RPI-125 Mouser Part No 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 PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm RPI-352 ROHM Semiconductor 1: $0.82 2,445In Stock End of Life	Mfr. Part No. RPI-352 Mouser Part No 755-RPI-352 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm	Datasheet	2,445In Stock	$0.82 $0.694 $0.587 $0.54 View $0.539 $0.535 $0.51 $0.486 $0.428	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter RPI-441C1E ROHM Semiconductor 1: $0.70 3,071In Stock End of Life	Mfr. Part No. RPI-441C1E Mouser Part No 755-RPI-441C1E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter	Datasheet	3,071In Stock	$0.70 $0.59 $0.563 $0.509 View $0.488 $0.476 $0.442 $0.42 $0.393	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4 mm
Optical Switches, Transmissive, Phototransistor Output 3.4X2.7MM REFLECTIVE PHOTO INTERRUPTER SMD LED Kingbright ATIR0711S-F ATIR0711S-F Kingbright 1: $0.73 50In Stock	Mfr. Part No. ATIR0711S-F Mouser Part No 604-ATIR0711S-F	Kingbright	Optical Switches, Transmissive, Phototransistor Output 3.4X2.7MM REFLECTIVE PHOTO INTERRUPTER SMD LED	Datasheet	50In Stock	Cut Tape $0.73 $0.613 $0.585 $0.529 Reel $0.50 View $0.471 $0.451 $0.432 $0.416	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output
Optical Switches, Reflective, Phototransistor Output Infrared Emitter 950nm MTRS9520 Marktech Optoelectronics 1: $4.58 1,003In Stock	Mfr. Part No. MTRS9520 Mouser Part No 193-MTRS9520	Marktech Optoelectronics	Optical Switches, Reflective, Phototransistor Output Infrared Emitter 950nm Learn More about Marktech Optoelectronics marktech near ir emitters	Datasheet	1,003In Stock	$4.58 $3.99 $3.75 $3.40 View $3.28 $3.22	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output			0.5 mm to 1.5 mm
Optical Switches, Reflective, Photo IC Output 1 Channel 75LPI AEDR-8310-1K2 Broadcom / Avago 1: $10.79 40In Stock	Mfr. Part No. AEDR-8310-1K2 Mouser Part No 630-AEDR-8310-1K2	Broadcom / Avago	Optical Switches, Reflective, Photo IC Output 1 Channel 75LPI Learn More about Broadcom / Avago broadcom high end optical sensing	Datasheet	40In Stock	Cut Tape $10.79 $9.29 Reel $7.28 $6.84 $6.69 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	Optical Switches, Reflective, Photo IC Output	Reflective		2 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 No. TCUT1800X01_A Mouser Part No 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, Reflective, Phototransistor Output COBP Photo Reflector Nisshinbo NJL5902R-1-TE1 NJL5902R-1-TE1 Nisshinbo 1: $1.96 687In Stock	Mfr. Part No. NJL5902R-1-TE1 Mouser Part No 513-NJL5902R-1-TE1	Nisshinbo	Optical Switches, Reflective, Phototransistor Output COBP Photo Reflector	Datasheet	687In Stock	Cut Tape $1.96 $1.40 $1.06 $0.912 Reel $0.754 View $0.761 $0.725 $0.711 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Reflective, Phototransistor Output	Reflective		0.7 mm
Optical Switches, Transmissive, Phototransistor Output 4.0X5.9MM PHOTOINTERRUPTER SMD LED - Transmissive Type Kingbright ARB031A ARB031A Kingbright 1: $1.39 25In Stock	Mfr. Part No. ARB031A Mouser Part No 604-ARB031A	Kingbright	Optical Switches, Transmissive, Phototransistor Output 4.0X5.9MM PHOTOINTERRUPTER SMD LED - Transmissive Type	Datasheet	25In Stock	Cut Tape $1.39 $1.19 $1.14 $1.03 Reel $0.954 View $0.909 $0.882 $0.842	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space LITEON LTH-301-32 LTH-301-32 LITEON 1: $1.17 1,219In Stock 1,100Expected 02/11/2026	Mfr. Part No. LTH-301-32 Mouser Part No 859-LTH-301-32	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space	Datasheet	1,219In Stock 1,100Expected 02/11/2026	$1.17 $0.885 $0.829 $0.67	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 807In Stock	Mfr. Part No. LTH-301A Mouser Part No 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	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 1,825In Stock	Mfr. Part No. LTH-306-04M Mouser Part No 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 $0.489 $0.477 $0.446 $0.429 $0.416	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Reflective, Phototransistor Output 4L REFLECT SNSR T&R onsemi QRE1114GR QRE1114GR onsemi 1: $0.65 720In Stock	Mfr. Part No. QRE1114GR Mouser Part No 863-QRE1114GR	onsemi	Optical Switches, Reflective, Phototransistor Output 4L REFLECT SNSR T&R	Datasheet	720In Stock	Cut Tape $0.65 $0.542 $0.517 $0.467 Reel $0.429 View $0.39 $0.374 $0.35 $0.331	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Reflective, Phototransistor Output