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Phototransistor Optical Switches

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Output Type = Phototransistor

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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, Reflective, Phototransistor Output Output Phototranstr Input Diode OPB606A Optek / TT Electronics 1: $1.44 1,188In Stock	Mfr. Part No. OPB606A Mouser Part No 828-OPB606A	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,188In Stock	$1.44 $1.35	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB840W55Z Optek / TT Electronics 1: $4.87 743In Stock	Mfr. Part No. OPB840W55Z Mouser Part No 828-OPB840W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	743In 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 OPB390T55Z Optek / TT Electronics 1: $4.97 700In Stock	Mfr. Part No. OPB390T55Z Mouser Part No 828-OPB390T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	700In Stock	$4.97 $4.84	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM OPB710 Optek / TT Electronics 1: $9.59 515In Stock	Mfr. Part No. OPB710 Mouser Part No 828-OPB710	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM	Datasheet	515In Stock	$9.59 $9.09 $9.07 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		6.35 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811L55 Optek / TT Electronics 1: $2.66 1,072In Stock	Mfr. Part No. OPB811L55 Mouser Part No 828-OPB811L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch	Datasheet	1,072In Stock	$2.66	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 OPB842W51Z Optek / TT Electronics 1: $4.76 1,663In Stock	Mfr. Part No. OPB842W51Z Mouser Part No 828-OPB842W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,663In Stock	$4.76 $4.68	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 OPB865N11 Optek / TT Electronics 1: $3.58 470In Stock	Mfr. Part No. OPB865N11 Mouser Part No 828-OPB865N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	470In Stock	$3.58	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 OPB870N11 Optek / TT Electronics 1: $3.13 602In Stock	Mfr. Part No. OPB870N11 Mouser Part No 828-OPB870N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	602In Stock	$3.13 $2.97	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 OPB890P51Z Optek / TT Electronics 1: $4.73 766In Stock	Mfr. Part No. OPB890P51Z Mouser Part No 828-OPB890P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	766In Stock	$4.73 $4.49	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	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
Optical Switches, Transmissive, Phototransistor Output Dual Channel Slotted Interrupter with Phototransistor outputs VT172U Vishay Semiconductors 1: $1.77 1,257In Stock New Product	Mfr. Part No. VT172U Mouser Part No 78-VT172U New Product	Vishay Semiconductors	Optical Switches, Transmissive, Phototransistor Output Dual Channel Slotted Interrupter with Phototransistor outputs Learn More about Vishay Semiconductors vishay semi vt17 transmissive sensors	Datasheet	1,257In Stock	Cut Tape $1.77 $1.27 $0.955 $0.819 Reel $0.691 View $0.661 $0.638 $0.612 MouseReel Available	Min.: 1 Mult.: 1 : 1,300	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB881L55Z Optek / TT Electronics 1: $4.87 150In 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	150In 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 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 OPB370N51 Optek / TT Electronics 1: $2.76 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	$2.76 $2.72 $2.70	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output REFLECT OBJECT SENS HIGH TEMP OPB735A Optek / TT Electronics 1: $20.07 89In Stock	Mfr. Part No. OPB735A Mouser Part No 828-OPB735A	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output REFLECT OBJECT SENS HIGH TEMP Learn More about Optek / TT Electronics optek tt electronics opb735 sensors	Datasheet	89In Stock	$20.07 $15.71	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		12.7 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB711 Optek / TT Electronics 1: $2.99 428In Stock	Mfr. Part No. OPB711 Mouser Part No 828-OPB711	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	428In Stock	$2.99 $2.85	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		2.03 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB740 Optek / TT Electronics 1: $2.52 374In Stock	Mfr. Part No. OPB740 Mouser Part No 828-OPB740	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	374In Stock	$2.52 $2.38	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB825 Optek / TT Electronics 1: $2.11 682In Stock	Mfr. Part No. OPB825 Mouser Part No 828-OPB825	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	682In Stock	$2.11 $2.00 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.06 mm	4.06 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB875N51 Optek / TT Electronics 1: $3.14 813In Stock	Mfr. Part No. OPB875N51 Mouser Part No 828-OPB875N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	813In Stock	$3.14	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB608R Optek / TT Electronics 1: $2.22 331In Stock	Mfr. Part No. OPB608R Mouser Part No 828-OPB608R	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	331In Stock	$2.22 $2.17 $2.08	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Phototransistor Output REFLECT OBJECT SENS HIGH TEMP OPB735B Optek / TT Electronics 1: $21.20 92In Stock	Mfr. Part No. OPB735B Mouser Part No 828-OPB735B	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output REFLECT OBJECT SENS HIGH TEMP Learn More about Optek / TT Electronics optek tt electronics opb735 sensors	Datasheet	92In Stock	$21.20 $17.50 $16.03 $15.97	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		12.7 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel OPB826SD Optek / TT Electronics 1: $10.14 98In Stock	Mfr. Part No. OPB826SD Mouser Part No 828-OPB826SD	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	98In Stock	$10.14 $9.49	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 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 $2.41	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB706C Optek / TT Electronics 1: $2.35 316In Stock	Mfr. Part No. OPB706C Mouser Part No 828-OPB706C	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	316In Stock	$2.35 $2.19 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870P55 Optek / TT Electronics 1: $2.58 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	$2.58	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm