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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 Right Angle Switch 880nm, X,Y,Z Axis OPB420BZ Optek / TT Electronics 1: $5.64 97In Stock	Mfr. Part No. OPB420BZ Mouser Part No 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 OPB800W55Z Optek / TT Electronics 1: $4.84 42In Stock 400Expected 16/11/2026	Mfr. Part No. OPB800W55Z Mouser Part No 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	42In Stock 400Expected 16/11/2026	$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 No. OPB801L55 Mouser Part No 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 No. OPB801W55Z Mouser Part No 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 No. OPB802W55Z Mouser Part No 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 46In Stock 400On Order	Mfr. Part No. OPB810L51 Mouser Part No 828-OPB810L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM	Datasheet	46In 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 139In Stock 1,400Expected 26/11/2026	Mfr. Part No. OPB810W51Z Mouser Part No 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	139In Stock 1,400Expected 26/11/2026	$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 No. OPB817Z Mouser Part No 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 No. OPB819Z Mouser Part No 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 OPB821S3Z Optek / TT Electronics 1: $5.83 200In Stock	Mfr. Part No. OPB821S3Z Mouser Part No 828-OPB821S3Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	200In 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 Opt Switch Dual Channel OPB822S Optek / TT Electronics 1: $4.47 230In Stock	Mfr. Part No. OPB822S Mouser Part No 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 04/02/2027	Mfr. Part No. OPB822SD Mouser Part No 828-OPB822SD	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V	Datasheet	2In Stock 200Expected 04/02/2027	$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 OPB825A Optek / TT Electronics 1: $2.13 164In Stock 1,000Expected 24/11/2026	Mfr. Part No. OPB825A Mouser Part No 828-OPB825A	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	164In Stock 1,000Expected 24/11/2026	$2.13 $2.03 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 Dual Channel OPB826S Optek / TT Electronics 1: $7.58 169In Stock	Mfr. Part No. OPB826S Mouser Part No 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 No. OPB827A Mouser Part No 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 16/12/2026	Mfr. Part No. OPB829DZ Mouser Part No 828-OPB829DZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	208In Stock 400Expected 16/12/2026	$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 Slotted Opt Switch OPB832W55Z Optek / TT Electronics 1: $5.02 118In Stock	Mfr. Part No. OPB832W55Z Mouser Part No 828-OPB832W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	118In Stock	$5.02 $4.75	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW OPB840L11 Optek / TT Electronics 1: $3.42 9In Stock 500Expected 09/02/2027	Mfr. Part No. OPB840L11 Mouser Part No 828-OPB840L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW	Datasheet	9In Stock 500Expected 09/02/2027	$3.42 $3.29	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 OPB840W11Z Optek / TT Electronics 1: $6.47 82In Stock 800Expected 27/01/2027	Mfr. Part No. OPB840W11Z Mouser Part No 828-OPB840W11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode	Datasheet	82In Stock 800Expected 27/01/2027	$6.47 $6.12	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 OPB841W55Z Optek / TT Electronics 1: $5.73 231In Stock	Mfr. Part No. OPB841W55Z Mouser Part No 828-OPB841W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	231In Stock	$5.73 $4.86 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 OPB847 Optek / TT Electronics 1: $2.59 229In Stock	Mfr. Part No. OPB847 Mouser Part No 828-OPB847	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	229In Stock	$2.59 $2.47	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.54 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB853A1 Optek / TT Electronics 1: $3.68 190In Stock	Mfr. Part No. OPB853A1 Mouser Part No 828-OPB853A1	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	190In Stock	$3.68 $3.51	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 OPB853A3 Optek / TT Electronics 1: $3.78 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	$3.78 $3.39 $3.27 $3.25	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 OPB861T55 Optek / TT Electronics 1: $2.78 51In Stock	Mfr. Part No. OPB861T55 Mouser Part No 828-OPB861T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	51In Stock	$2.78 $2.77	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 370In Stock	Mfr. Part No. OPB865N11 Mouser Part No 828-OPB865N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	370In Stock	$3.58	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm