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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 Slotted Opt Switch OPB390L51Z Optek / TT Electronics 1: $5.01 541In Stock	Mfr. Part # OPB390L51Z Mouser Part # 828-OPB390L51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	541In Stock	$5.01 $4.80	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 OPB390P51Z Optek / TT Electronics 1: $5.12 292In Stock	Mfr. Part # OPB390P51Z Mouser Part # 828-OPB390P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	292In Stock	$5.12 $4.80	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800L51 Optek / TT Electronics 1: $3.01 549In Stock	Mfr. Part # OPB800L51 Mouser Part # 828-OPB800L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	549In Stock	$3.01 $2.86	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800W51Z Optek / TT Electronics 1: $5.08 892In Stock 1,400Expected 2/15/2027	Mfr. Part # OPB800W51Z Mouser Part # 828-OPB800W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	892In Stock 1,400Expected 2/15/2027	$5.08 $4.82	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .16in SLOT INFRARED OPB804 Optek / TT Electronics 1: $1.82 1,062In Stock	Mfr. Part # OPB804 Mouser Part # 828-OPB804	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .16in SLOT INFRARED	Datasheet	1,062In Stock	$1.82 $1.78 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.94 mm	3.94 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811W55Z Optek / TT Electronics 1: $4.63 1,322In Stock 1,800Expected 12/11/2026	Mfr. Part # OPB811W55Z Mouser Part # 828-OPB811W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	1,322In Stock 1,800Expected 12/11/2026	$4.63 $4.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS OPB812W55Z Optek / TT Electronics 1: $5.03 509In Stock	Mfr. Part # OPB812W55Z Mouser Part # 828-OPB812W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	509In Stock	$5.03 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED OPB818 Optek / TT Electronics 1: $2.55 698In Stock	Mfr. Part # OPB818 Mouser Part # 828-OPB818	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED	Datasheet	698In Stock	$2.55 $2.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.1 mm	5.1 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB821S3Z Optek / TT Electronics 1: $5.83 340In Stock	Mfr. Part # OPB821S3Z Mouser Part # 828-OPB821S3Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	340In Stock	$5.83 $5.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH OPB821Z Optek / TT Electronics 1: $5.76 322In Stock	Mfr. Part # OPB821Z Mouser Part # 828-OPB821Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH	Datasheet	322In Stock	$5.76 $5.53	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 OPB829AZ Optek / TT Electronics 1: $4.32 732In Stock 1,200Expected 2/10/2027	Mfr. Part # OPB829AZ Mouser Part # 828-OPB829AZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	732In Stock 1,200Expected 2/10/2027	$4.32 $4.17	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 OPB830L11 Optek / TT Electronics 1: $3.65 684In Stock 1,200On Order	Mfr. Part # OPB830L11 Mouser Part # 828-OPB830L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	684In Stock 1,200On Order On Order Ship Dates Mfr. #: OPB830L11 Stock: 684 Can Ship Immediately On Order: 400 Pending 800 Expected 12/16/2026 Factory Lead-Time: 19 Weeks	$3.65 $3.44	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 OPB830W11Z Optek / TT Electronics 1: $5.79 1,403In Stock 1,800Expected 11/27/2026	Mfr. Part # OPB830W11Z Mouser Part # 828-OPB830W11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,403In Stock 1,800Expected 11/27/2026	$5.79 $5.70	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 OPB830W51Z Optek / TT Electronics 1: $5.44 570In Stock	Mfr. Part # OPB830W51Z Mouser Part # 828-OPB830W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	570In Stock	$5.44 $5.42 $5.27	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 OPB840L55 Optek / TT Electronics 1: $3.08 482In Stock	Mfr. Part # OPB840L55 Mouser Part # 828-OPB840L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	482In Stock	$3.08 $2.91	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 OPB840W51Z Optek / TT Electronics 1: $5.31 287In Stock 600Expected 12/29/2026	Mfr. Part # OPB840W51Z Mouser Part # 828-OPB840W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	287In Stock 600Expected 12/29/2026	$5.31 $5.02	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 OPB840W55Z Optek / TT Electronics 1: $4.87 703In Stock	Mfr. Part # OPB840W55Z Mouser Part # 828-OPB840W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	703In 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 OPB842W51Z Optek / TT Electronics 1: $4.64 1,563In Stock	Mfr. Part # OPB842W51Z Mouser Part # 828-OPB842W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,563In Stock	$4.64 $4.39 $4.25	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode OPB855 Optek / TT Electronics 1: $2.23 1,103In Stock 3,000Expected 12/23/2026	Mfr. Part # OPB855 Mouser Part # 828-OPB855	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	1,103In Stock 3,000Expected 12/23/2026	$2.23 $2.15 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.21 mm	5.21 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB866T55 Optek / TT Electronics 1: $3.06 807In Stock 3,000Expected 12/7/2026	Mfr. Part # OPB866T55 Mouser Part # 828-OPB866T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	807In Stock 3,000Expected 12/7/2026	$3.06 $2.85	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 OPB880L51Z Optek / TT Electronics 1: $5.03 416In Stock	Mfr. Part # OPB880L51Z Mouser Part # 828-OPB880L51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	416In Stock	$5.03 $4.65	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN OPB880T51Z Optek / TT Electronics 1: $5.03 1,929In Stock	Mfr. Part # OPB880T51Z Mouser Part # 828-OPB880T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	1,929In Stock	$5.03 $5.02 $4.95 $4.83 $4.71	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 OPB880T55Z Optek / TT Electronics 1: $4.90 411In Stock 1,200Expected 12/31/2026	Mfr. Part # OPB880T55Z Mouser Part # 828-OPB880T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	411In Stock 1,200Expected 12/31/2026	$4.90 $4.62	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 666In Stock	Mfr. Part # OPB890P51Z Mouser Part # 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	666In Stock	$4.73 $4.25 $4.07	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 OPB890T51Z Optek / TT Electronics 1: $4.66 1,277In Stock	Mfr. Part # OPB890T51Z Mouser Part # 828-OPB890T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	1,277In Stock	$4.66 $4.49	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm