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Optical Switches

Optical Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many optical switch manufacturers including Broadcom, Omron, onsemi, ROHM Semiconductor, Sharp Microelectronics, TT Electronics, Vishay & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 REFLECT OBJECT SENS HIGH TEMP OPB735B Optek / TT Electronics 1: $29.08 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	$29.08 $23.80 $20.74 $20.67 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		12.7 mm
Optical Switches, Transmissive, Phototransistor Output PHOTO-INTERRUPTER SLOTTED TYPE BPI-3C1-07 American Bright LED 1: $2.15 2,556In Stock	Mfr. Part No. BPI-3C1-07 Mouser Part No 442-BPI3C107	American Bright LED	Optical Switches, Transmissive, Phototransistor Output PHOTO-INTERRUPTER SLOTTED TYPE Learn More about American Bright LED american bright bpi 3c1 x 3c2 x optical switches	Datasheet	2,556In Stock	$2.15 $1.52 $1.12 $0.989 View $0.839 $0.60	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted, Through-Beam Type		14 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390P55Z Optek / TT Electronics 1: $7.71 100In Stock	Mfr. Part No. OPB390P55Z Mouser Part No 828-OPB390P55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	100In Stock	$7.71 $6.96 $6.92 $6.84 View $6.81 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Specialised 1040nm SMD Reflective Switch Flat Top MTRS4010C Marktech Optoelectronics 1: $73.96 3In Stock	Mfr. Part No. MTRS4010C Mouser Part No 193-MTRS4010C	Marktech Optoelectronics	Optical Switches, Specialised 1040nm SMD Reflective Switch Flat Top	Datasheet	3In Stock	$73.96 $55.72 $54.25	Min.: 1 Mult.: 1	Optical Switches, Specialized	Reflective		0.5 mm to 1.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB841L55 Optek / TT Electronics 1: $4.32 238In Stock 500Expected 23/10/2026	Mfr. Part No. OPB841L55 Mouser Part No 828-OPB841L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	238In Stock 500Expected 23/10/2026	$4.32 $3.98	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 OPB360L11 Optek / TT Electronics 1: $4.18 371In Stock	Mfr. Part No. OPB360L11 Mouser Part No 828-OPB360L11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	371In Stock	$4.18 $3.97	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 OPB370T51 Optek / TT Electronics 1: $3.79 272In Stock	Mfr. Part No. OPB370T51 Mouser Part No 828-OPB370T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	272In Stock	$3.79 $3.54 $3.45 $3.29 $3.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor Darlington Out OPB702D Optek / TT Electronics 1: $4.26 439In Stock	Mfr. Part No. OPB702D Mouser Part No 828-OPB702D	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor Darlington Out	Datasheet	439In Stock	$4.26 $4.04 $3.88 $3.85	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE OPB735CWZ Optek / TT Electronics 1: $33.03 48In Stock	Mfr. Part No. OPB735CWZ Mouser Part No 828-OPB735CWZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE Learn More about Optek / TT Electronics optek tt electronics opb735 sensors	Datasheet	48In Stock	$33.03 $31.12 $28.63 View Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		12.7 mm
Optical Switches, Transmissive, Photo IC Output Photo transistor Slotted Opt Switch OPB660N Optek / TT Electronics 1: $3.77 297In Stock	Mfr. Part No. OPB660N Mouser Part No 828-OPB660N	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Photo transistor Slotted Opt Switch	Datasheet	297In Stock	$3.77 $3.41 $3.26 $3.24	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB960N55 Optek / TT Electronics 1: $4.84 370In Stock	Mfr. Part No. OPB960N55 Mouser Part No 828-OPB960N55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	370In Stock	$4.84 $4.18	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB960P51 Optek / TT Electronics 1: $4.91 1,393In Stock	Mfr. Part No. OPB960P51 Mouser Part No 828-OPB960P51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	1,393In Stock	$4.91 $4.52 $4.34 $4.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB963T51 Optek / TT Electronics 1: $5.33 481In Stock	Mfr. Part No. OPB963T51 Mouser Part No 828-OPB963T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	481In Stock	$5.33 $4.92 $4.87 $4.46	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB970T51 Optek / TT Electronics 1: $5.56 299In Stock	Mfr. Part No. OPB970T51 Mouser Part No 828-OPB970T51	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	299In Stock	$5.56 $5.00 $4.81 $4.77	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB942W55Z Optek / TT Electronics 1: $8.17 195In Stock	Mfr. Part No. OPB942W55Z Mouser Part No 828-OPB942W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	195In Stock	$8.17 $7.34 $7.07 $7.03	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB972T55 Optek / TT Electronics 1: $4.77 213In Stock	Mfr. Part No. OPB972T55 Mouser Part No 828-OPB972T55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	213In Stock	$4.77 $4.52 $4.35 $4.31	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB981L55Z Optek / TT Electronics 1: $8.99 139In Stock	Mfr. Part No. OPB981L55Z Mouser Part No 828-OPB981L55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	139In Stock	$8.99 $7.72 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990T11Z Optek / TT Electronics 1: $8.30 212In Stock	Mfr. Part No. OPB990T11Z Mouser Part No 828-OPB990T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	212In Stock	$8.30 $7.82 $7.52 $7.49	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB992P51Z Optek / TT Electronics 1: $8.06 155In Stock	Mfr. Part No. OPB992P51Z Mouser Part No 828-OPB992P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	155In Stock	$8.06 $7.25 $6.98 $6.94	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB990P11Z Optek / TT Electronics 1: $8.98 164In Stock	Mfr. Part No. OPB990P11Z Mouser Part No 828-OPB990P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	164In Stock	$8.98 $8.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB876N55 Optek / TT Electronics 1: $4.01 387In Stock	Mfr. Part No. OPB876N55 Mouser Part No 828-OPB876N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	387In Stock	$4.01 $3.62 $3.47 $3.41	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 OPB880N11Z Optek / TT Electronics 1: $7.49 141In Stock	Mfr. Part No. OPB880N11Z Mouser Part No 828-OPB880N11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	141In Stock	$7.49 $6.77 $6.76 $6.50 $6.49	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB970N55 Optek / TT Electronics 1: $4.98 377In Stock	Mfr. Part No. OPB970N55 Mouser Part No 828-OPB970N55	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	377In Stock	$4.98 $4.49 $4.30 $4.26	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Specialised K50 Pro Select: 7-color RGB Adjustable-Field Sensor; 10-30 V dc; Polycarbonate; IP66, IP67, IP69K; Input: Bimodal; Colors: Multicolor; 5-pin M12 Integral QD K50PSAF1000GRY3Q Banner Engineering 1: $223.04 48In Stock New Product	Mfr. Part No. K50PSAF1000GRY3Q Mouser Part No 778-K50PSAF1000GRY3Q New Product	Banner Engineering	Optical Switches, Specialised K50 Pro Select: 7-color RGB Adjustable-Field Sensor; 10-30 V dc; Polycarbonate; IP66, IP67, IP69K; Input: Bimodal; Colors: Multicolor; 5-pin M12 Integral QD Learn More about Banner Engineering banner k50 illuminated touch buttons	Datasheet	48In Stock	$223.04	Min.: 1 Mult.: 1	Optical Switches, Specialized
Optical Switches, Specialised K50 Pro: IO-Link Adjustable-Field Sensor; 18-30 V dc; Polycarbonate; IP66, IP67, IP69K; Input: IO-Link; Colors: Multicolor; 4-pin M12 Integral QD K50PSAF1000KQ Banner Engineering 1: $238.00 11In Stock New Product	Mfr. Part No. K50PSAF1000KQ Mouser Part No 778-K50PSAF1000KQ New Product	Banner Engineering	Optical Switches, Specialised K50 Pro: IO-Link Adjustable-Field Sensor; 18-30 V dc; Polycarbonate; IP66, IP67, IP69K; Input: IO-Link; Colors: Multicolor; 4-pin M12 Integral QD Learn More about Banner Engineering banner k50 pro touchless beacons	Datasheet	11In Stock	$238.00	Min.: 1 Mult.: 1	Optical Switches, Specialized