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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 OPB365T55 Optek / TT Electronics 1: $3.13 233In Stock	Mfr. Part # OPB365T55 Mouser Part # 828-OPB365T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	233In Stock	$3.13 $3.06	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR OUT OPB370N55 Optek / TT Electronics 1: $2.79 15In Stock 500Expected 11/24/2026	Mfr. Part # OPB370N55 Mouser Part # 828-OPB370N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR OUT	Datasheet	15In Stock 500Expected 11/24/2026	$2.79 $2.66	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 OPB380P51Z Optek / TT Electronics 1: $5.10 93In Stock	Mfr. Part # OPB380P51Z Mouser Part # 828-OPB380P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	93In Stock	$5.10 $4.84	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 OPB380P55Z Optek / TT Electronics 1: $4.97 140In Stock	Mfr. Part # OPB380P55Z Mouser Part # 828-OPB380P55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	140In Stock	$4.97 $4.84	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 OPB380T55Z Optek / TT Electronics 1: $4.69 285In Stock	Mfr. Part # OPB380T55Z Mouser Part # 828-OPB380T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	285In Stock	$4.69 $4.29 $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 OPB390L55Z Optek / TT Electronics 1: $5.10 98In Stock	Mfr. Part # OPB390L55Z Mouser Part # 828-OPB390L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	98In Stock	$5.10 $4.84	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis OPB420AZ Optek / TT Electronics 1: $5.53 178In Stock	Mfr. Part # OPB420AZ Mouser Part # 828-OPB420AZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis Learn More about Optek / TT Electronics optek tt opb420 optical switches	Datasheet	178In Stock	$5.53 $5.39	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis OPB420BZ Optek / TT Electronics 1: $5.64 97In Stock	Mfr. Part # OPB420BZ Mouser Part # 828-OPB420BZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Right Angle Switch 880nm, X,Y,Z Axis Learn More about Optek / TT Electronics optek tt opb420 optical switches	Datasheet	97In Stock	$5.64 $5.37	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted
Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch OPB800L55 Optek / TT Electronics 1: $2.95 19In Stock 500Expected 12/25/2026	Mfr. Part # OPB800L55 Mouser Part # 828-OPB800L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	19In Stock 500Expected 12/25/2026	$2.95 $2.66 $2.53	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 OPB800W55Z Optek / TT Electronics 1: $4.84 45In Stock 400Expected 11/16/2026	Mfr. Part # OPB800W55Z Mouser Part # 828-OPB800W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	45In Stock 400Expected 11/16/2026	$4.84 $4.60	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 OPB801L55 Optek / TT Electronics 1: $2.91 221In Stock	Mfr. Part # OPB801L55 Mouser Part # 828-OPB801L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch	Datasheet	221In Stock	$2.91 $2.75	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 OPB801W55Z Optek / TT Electronics 1: $5.16 3In Stock	Mfr. Part # OPB801W55Z Mouser Part # 828-OPB801W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	3In Stock	$5.16 $4.87	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 OPB802W55Z Optek / TT Electronics 1: $5.09 212In Stock	Mfr. Part # OPB802W55Z Mouser Part # 828-OPB802W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	212In Stock	$5.09 $4.83	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM OPB810L51 Optek / TT Electronics 1: $2.99 466In Stock 400On Order	Mfr. Part # OPB810L51 Mouser Part # 828-OPB810L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM	Datasheet	466In Stock 400On Order	$2.99 $2.85	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 OPB810W51Z Optek / TT Electronics 1: $4.96 149In Stock 1,400Expected 11/26/2026	Mfr. Part # OPB810W51Z Mouser Part # 828-OPB810W51Z	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	149In Stock 1,400Expected 11/26/2026	$4.96 $4.95 $4.79	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 OPB817Z Optek / TT Electronics 1: $4.78 245In Stock	Mfr. Part # OPB817Z Mouser Part # 828-OPB817Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	245In Stock	$4.78 $4.57	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.1 mm	5.1 mm
Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR OPB819Z Optek / TT Electronics 1: $6.37 214In Stock	Mfr. Part # OPB819Z Mouser Part # 828-OPB819Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output 1.25in SLOT IR	Datasheet	214In Stock	$6.37 $6.08	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	31.75 mm	31.75 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel OPB822S Optek / TT Electronics 1: $4.47 230In Stock	Mfr. Part # OPB822S Mouser Part # 828-OPB822S	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	230In Stock	$4.47 $4.39	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.29 mm	2.29 mm
Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V OPB822SD Optek / TT Electronics 1: $4.94 2In Stock 200Expected 2/4/2027	Mfr. Part # OPB822SD Mouser Part # 828-OPB822SD	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V	Datasheet	2In Stock 200Expected 2/4/2027	$4.94 $4.71	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.29 mm	2.29 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB825 Optek / TT Electronics 1: $2.11 562In Stock	Mfr. Part # OPB825 Mouser Part # 828-OPB825	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	562In Stock	$2.11 $1.88 $1.82 $1.81	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 Dual Channel OPB826S Optek / TT Electronics 1: $7.58 169In Stock	Mfr. Part # OPB826S Mouser Part # 828-OPB826S	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	169In Stock	$7.58 $7.33	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 OPB827A Optek / TT Electronics 1: $3.54 6In Stock	Mfr. Part # OPB827A Mouser Part # 828-OPB827A	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	6In Stock	$3.54 $3.00 $2.62	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.05 mm	3.05 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB829DZ Optek / TT Electronics 1: $4.12 208In Stock 400Expected 12/16/2026	Mfr. Part # OPB829DZ Mouser Part # 828-OPB829DZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	208In Stock 400Expected 12/16/2026	$4.12 $3.94	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED OPB830L51 Optek / TT Electronics 1: $2.92 2In Stock 400Expected 11/27/2026	Mfr. Part # OPB830L51 Mouser Part # 828-OPB830L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED	Datasheet	2In Stock 400Expected 11/27/2026	$2.92 $2.78	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 OPB830W55Z Optek / TT Electronics 1: $4.87 5In Stock 3,200On Order	Mfr. Part # OPB830W55Z Mouser Part # 828-OPB830W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	5In Stock 3,200On Order On Order Ship Dates Mfr. #: OPB830W55Z Stock: 5 Can Ship Immediately On Order: 1,000 Expected 12/29/2026 2,200 Expected 2/10/2027 Factory Lead-Time: 16 Weeks	$4.87 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm