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20 mA Optical Switches

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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 .08" WIDE GAP 890NM OPB820S10 Optek / TT Electronics 1: 3,18 € 1 256In Stock	Mfr. Part No. OPB820S10 Mouser Part No 828-OPB820S10	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .08" WIDE GAP 890NM	Datasheet	1 256In Stock	3,18 € 2,90 € 2,87 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB854A3 Optek / TT Electronics 1: 2,75 € 474In Stock	Mfr. Part No. OPB854A3 Mouser Part No 828-OPB854A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	474In Stock	2,75 € 2,51 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.54 mm	2.54 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB859 Optek / TT Electronics 1: 3,00 € 637In Stock	Mfr. Part No. OPB859 Mouser Part No 828-OPB859	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	637In Stock	3,00 € 2,69 € 2,68 €	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 OPB890L11Z Optek / TT Electronics 1: 4,60 € 316In Stock	Mfr. Part No. OPB890L11Z Mouser Part No 828-OPB890L11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	316In Stock	4,60 € 4,59 € 4,45 € 4,37 €	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: 2,73 € 738In Stock	Mfr. Part No. OPB841L55 Mouser Part No 828-OPB841L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	738In Stock	2,73 € 2,52 €	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 OPB866T51 Optek / TT Electronics 1: 2,59 € 451In Stock	Mfr. Part No. OPB866T51 Mouser Part No 828-OPB866T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	451In Stock	2,59 € 2,48 €	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 OPB892T55Z Optek / TT Electronics 1: 3,95 € 183In Stock	Mfr. Part No. OPB892T55Z Mouser Part No 828-OPB892T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	183In Stock	3,95 € 3,94 €	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 OPB375N51 Optek / TT Electronics 1: 2,18 € 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	2,18 € 1,99 € 1,96 €	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: 2,15 € 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	2,15 € 2,11 €	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: 3,94 € 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	3,94 €	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: 2,42 € 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	2,42 € 2,39 € 2,35 € 2,34 € 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 OPB853A3 Optek / TT Electronics 1: 3,25 € 350In Stock	Mfr. Part No. OPB853A3 Mouser Part No 828-OPB853A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	350In Stock	3,25 € 2,93 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB810W55Z Optek / TT Electronics 1: 4,16 € 300In Stock	Mfr. Part No. OPB810W55Z Mouser Part No 828-OPB810W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	300In Stock	4,16 € 3,74 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360L11 Optek / TT Electronics 1: 2,64 € 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	2,64 € 2,51 €	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: 2,40 € 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	2,40 € 2,24 € 2,18 € 2,17 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output PHOTO-INTERRUPTER SLOTTED TYPE BPI-3C1-10 American Bright LED 1: 1,36 € 2 490In Stock	Mfr. Part No. BPI-3C1-10 Mouser Part No 442-BPI3C110	American Bright LED	Optical Switches, Transmissive, Phototransistor Output PHOTO-INTERRUPTER SLOTTED TYPE Learn More about American Bright LED american bright bpi 3c1 x 3c2 x optical switches	Datasheet	2 490In Stock	1,36 € 0,963 € 0,711 € 0,625 € View 0,531 € 0,404 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted, Through-Beam Type
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390P55Z Optek / TT Electronics 1: 4,88 € 75In 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	75In Stock	4,88 € 4,40 € 4,38 € 4,33 € View 4,31 € Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Specialised 1040nm SMD Reflective Switch Flat Top MTRS4010C Marktech Optoelectronics 1: 46,77 € 3In Stock	Mfr. Part No. MTRS4010C Mouser Part No 193-MTRS4010C	Marktech Optoelectronics	Optical Switches, Specialised 1040nm SMD Reflective Switch Flat Top	Datasheet	3In Stock	46,77 € 35,23 € 34,31 €	Min.: 1 Mult.: 1	Optical Switches, Specialized	Reflective		0.5 mm to 1.5 mm
Optical Switches, Transmissive, Photo IC Output TRANS LIGHT-ON EE-SX4070 Aratas 1: 2,16 € 11 254In Stock	Mfr. Part No. EE-SX4070 Mouser Part No 653-EE-SX4070	Aratas	Optical Switches, Transmissive, Photo IC Output TRANS LIGHT-ON Learn More about Aratas omroneesy1200	Datasheet	11 254In Stock	2,16 € 1,87 € 1,73 € 1,68 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	8 mm
Optical Switches, Transmissive, Photo IC Output With IC w/Detector 4.5 to 16 VDC EE-SX498 Aratas 1: 2,42 € 5 112In Stock	Mfr. Part No. EE-SX498 Mouser Part No 653-EE-SX498	Aratas	Optical Switches, Transmissive, Photo IC Output With IC w/Detector 4.5 to 16 VDC Learn More about Aratas omron optical sensors	Datasheet	5 112In Stock	2,42 € 2,05 € 1,80 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type ATIR0511S Kingbright 1: 1,06 € 668In Stock	Mfr. Part No. ATIR0511S Mouser Part No 604-ATIR0511S	Kingbright	Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type	Datasheet	668In Stock	1,06 € 0,903 € 0,829 € 0,734 € View 0,694 € 0,66 € 0,63 € 0,599 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.4 mm
Optical Switches, Reflective, Phototransistor Output PHOTO TRANS QRD1114 onsemi 1: 1,23 € 2 307In Stock	Mfr. Part No. QRD1114 Mouser Part No 512-QRD1114	onsemi	Optical Switches, Reflective, Phototransistor Output PHOTO TRANS	Datasheet	2 307In Stock	1,23 € 1,04 € 0,86 € 0,79 € View 0,752 € 0,731 € Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Transmissive, Photo IC Output Dust Proof Type Photo IC (Dark On) EE-SX3161-W11 Aratas 1: 11,08 € 167In Stock	Mfr. Part No. EE-SX3161-W11 Mouser Part No 653-EESX3161W11	Aratas	Optical Switches, Transmissive, Photo IC Output Dust Proof Type Photo IC (Dark On) Learn More about Aratas omron optical sensors	Datasheet	167In Stock	11,08 € 10,69 €	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.2 mm
Optical Switches, Reflective, Phototransistor Output Ref Optical Sensor Transtr Output 940nm VCNT2020 Vishay Semiconductors 1: 0,482 € 18 469In Stock 36 000Expected 29/01/2027	Mfr. Part No. VCNT2020 Mouser Part No 78-VCNT2020	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Ref Optical Sensor Transtr Output 940nm Learn More about Vishay Semiconductors vishay vcnt2020 sensor	Datasheet	18 469In Stock 36 000Expected 29/01/2027	Cut Tape 0,482 € 0,405 € 0,373 € 0,332 € Reel 0,314 € View 0,302 € 0,28 € 0,27 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 2.5 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output TCRT1000 Vishay Semiconductors 1: 0,679 € 198In Stock 8 000Expected 16/11/2026	Mfr. Part No. TCRT1000 Mouser Part No 782-TCRT1000	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	198In Stock 8 000Expected 16/11/2026	0,679 € 0,571 € 0,512 € 0,469 € View 0,452 € 0,439 € 0,436 € 0,435 €	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 4 mm