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PCB Mount Optical Switches

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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 DUAL SLOTTED 20mA 30V OPB822SD Optek / TT Electronics 1: $4.94 165In Stock	Mfr. Part No. OPB822SD Mouser Part No 828-OPB822SD	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V	Datasheet	165In Stock	$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 171In Stock 1,000Expected 2026/11/24	Mfr. Part No. OPB825A Mouser Part No 828-OPB825A	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	171In Stock 1,000Expected 2026/11/24	$2.13 $2.04 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 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 .125" SLOT INFRARED OPB830L51 Optek / TT Electronics 1: $2.92 7In Stock 400Expected 2026/11/20	Mfr. Part No. OPB830L51 Mouser Part No 828-OPB830L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED	Datasheet	7In Stock 400Expected 2026/11/20	$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 SLOTTED OPTICAL SW OPB840L11 Optek / TT Electronics 1: $3.42 142In Stock	Mfr. Part No. OPB840L11 Mouser Part No 828-OPB840L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW	Datasheet	142In Stock	$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 Slotted Opt Switch OPB852A1 Optek / TT Electronics 1: $2.77 93In Stock	Mfr. Part No. OPB852A1 Mouser Part No 828-OPB852A1	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	93In Stock	$2.77 $2.62	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 OPB853A1 Optek / TT Electronics 1: $3.68 232In Stock	Mfr. Part No. OPB853A1 Mouser Part No 828-OPB853A1	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	232In 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 OPB861T55 Optek / TT Electronics 1: $2.78 81In Stock	Mfr. Part No. OPB861T55 Mouser Part No 828-OPB861T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	81In 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 OPB865T55 Optek / TT Electronics 1: $3.22 163In Stock	Mfr. Part No. OPB865T55 Mouser Part No 828-OPB865T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	163In Stock	$3.22	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 OPB870N51 Optek / TT Electronics 1: $2.69 380In Stock 500Expected 2026/12/25	Mfr. Part No. OPB870N51 Mouser Part No 828-OPB870N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	380In Stock 500Expected 2026/12/25	$2.69 $2.55	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 OPB870T51 Optek / TT Electronics 1: $2.71 246In Stock	Mfr. Part No. OPB870T51 Mouser Part No 828-OPB870T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	246In Stock	$2.71	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Photo IC Output Reflective Sensor Photologic OPB760N Optek / TT Electronics 1: $5.29 53In Stock	Mfr. Part No. OPB760N Mouser Part No 828-OPB760N	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Reflective Sensor Photologic	Datasheet	53In Stock	$5.29 $5.06	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5.6 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB365N11 Optek / TT Electronics 1: $4.08 148In Stock	Mfr. Part No. OPB365N11 Mouser Part No 828-OPB365N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	148In Stock	$4.08 $3.47 $3.04	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 OPB370L55 Optek / TT Electronics 1: $2.91 11In Stock	Mfr. Part No. OPB370L55 Mouser Part No 828-OPB370L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	11In Stock	$2.91 $2.70	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 OPB865T11 Optek / TT Electronics 1: $3.70 52In Stock	Mfr. Part No. OPB865T11 Mouser Part No 828-OPB865T11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	52In Stock	$3.70	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 OPB870N55 Optek / TT Electronics 1: $2.69 183In Stock	Mfr. Part No. OPB870N55 Mouser Part No 828-OPB870N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	183In Stock	$2.69 $2.55	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED OPB620 Optek / TT Electronics 1: $1.78 1,842In Stock 6,692On Order	Mfr. Part No. OPB620 Mouser Part No 828-OPB620	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .2in SLOT INFRARED	Datasheet	1,842In Stock 6,692On Order On Order Ship Dates Mfr. No: OPB620 Stock: 1,842 Can Dispatch Immediately On Order: 5,500 Expected 2026/10/14 1,192 Expected 2026/10/26 Factory Lead Time: 18 Weeks	$1.78 $1.64	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.83 mm	4.83 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB365N55 Optek / TT Electronics 1: $3.16 480Expected 2026/12/16	Mfr. Part No. OPB365N55 Mouser Part No 828-OPB365N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	480Expected 2026/12/16	$3.16 $3.04	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch OPB815L Optek / TT Electronics 1: $3.04 2,000Expected 2026/11/27	Mfr. Part No. OPB815L Mouser Part No 828-OPB815L	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch	Datasheet	2,000Expected 2026/11/27	$3.04 $2.90	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED OPB820S5 Optek / TT Electronics 1: $3.97 993Expected 2026/12/16	Mfr. Part No. OPB820S5 Mouser Part No 828-OPB820S5	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED	Datasheet	993Expected 2026/12/16	$3.97 $3.79	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 OPB830L11 Optek / TT Electronics 1: $3.65 1,000On Order	Mfr. Part No. OPB830L11 Mouser Part No 828-OPB830L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,000On Order On Order Ship Dates Mfr. No: OPB830L11 Stock: 0 On Order: 200 Pending 800 Expected 2026/12/16 Factory Lead Time: 16 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 OPB840L51 Optek / TT Electronics 1: $3.37 500Expected 2026/11/03	Mfr. Part No. OPB840L51 Mouser Part No 828-OPB840L51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	500Expected 2026/11/03	$3.37 $2.86	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 OPB865T51 Optek / TT Electronics 1: $3.26 500Expected 2026/12/16	Mfr. Part No. OPB865T51 Mouser Part No 828-OPB865T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	500Expected 2026/12/16	$3.26	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 Dual Channel OPB822S Optek / TT Electronics 1: $4.49 230Expected 2026/11/05	Mfr. Part No. OPB822S Mouser Part No 828-OPB822S	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel	Datasheet	230Expected 2026/11/05	$4.49 $4.40	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 OPB860N55 Optek / TT Electronics 1: $2.78 495Expected 2027/01/06	Mfr. Part No. OPB860N55 Mouser Part No 828-OPB860N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	495Expected 2027/01/06	$2.78 $2.63	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm

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