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20 mA 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, Reflective, Phototransistor Output Reflective Sensor QRE1113GR onsemi 1: $0.75 179,339In Stock	Mfr. Part No. QRE1113GR Mouser Part No 512-QRE1113GR	onsemi	Optical Switches, Reflective, Phototransistor Output Reflective Sensor Learn More about onsemi fairchild qre1113 sensors	Datasheet	179,339In Stock	Cut Tape $0.75 $0.629 $0.597 $0.528 Reel $0.416 View $0.391 $0.381 $0.379 $0.369 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Reflective, Phototransistor Output	Reflective		1 mm
Optical Switches, Transmissive, Photo IC Output SMT, 3mm Photo-IC, Light ON EE-SX4320 Aratas 1: $2.61 6,708In Stock	Mfr. Part No. EE-SX4320 Mouser Part No 653-EESX4320	Aratas	Optical Switches, Transmissive, Photo IC Output SMT, 3mm Photo-IC, Light ON Learn More about Aratas omroneesy1200	Datasheet	6,708In Stock	Cut Tape $2.61 $2.26 $2.16 $1.99 Reel $1.86 View $1.93 $1.82 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC LightON 5mm EE-SX4350 Aratas 1: $2.17 3,088In Stock	Mfr. Part No. EE-SX4350 Mouser Part No 653-EESX4350	Aratas	Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC LightON 5mm Learn More about Aratas omron optical sensors	Datasheet	3,088In Stock	Cut Tape $2.17 $1.86 $1.65 Reel $1.52 $1.51 $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 400	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Reflective, Photo IC Output SMT Reflective Photo microsensor EE-SY1201 Aratas 1: $3.46 903In Stock	Mfr. Part No. EE-SY1201 Mouser Part No 653-EE-SY1201	Aratas	Optical Switches, Reflective, Photo IC Output SMT Reflective Photo microsensor Learn More about Aratas omron ee sy1201 reflective photomicrosensor	Datasheet	903In Stock	Cut Tape $3.46 $2.99 $2.89 $2.52 Reel $2.51 View $2.34 $2.33 Quote	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Reflective, Photo IC Output	Reflective		3 mm
Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor QRE1113 onsemi 1: $0.73 13,589In Stock	Mfr. Part No. QRE1113 Mouser Part No 512-QRE1113	onsemi	Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor Learn More about onsemi fairchild qre1113 sensors	Datasheet	13,589In Stock	$0.73 $0.615 $0.51 $0.429 View $0.407 $0.382 $0.381	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1 mm
Optical Switches, Transmissive, Phototransistor Output GP1S196HCPSF Sharp Microelectronics 1: $1.07 14,331In Stock	Mfr. Part No. GP1S196HCPSF Mouser Part No 852-GP1S196HCPSF	Sharp Microelectronics	Optical Switches, Transmissive, Phototransistor Output	Datasheet	14,331In Stock	Cut Tape $1.07 $0.748 $0.547 $0.456 Reel $0.382 View $0.428 $0.402 $0.319 $0.285 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.1 mm	1.1 mm
Optical Switches, Reflective, Phototransistor Output Photointerrupter Reflective 0.5mm GP2S60A Sharp Microelectronics 1: $1.14 462In Stock 10,000Expected 18/03/2027	Mfr. Part No. GP2S60A Mouser Part No 852-GP2S60A	Sharp Microelectronics	Optical Switches, Reflective, Phototransistor Output Photointerrupter Reflective 0.5mm	Datasheet	462In Stock 10,000Expected 18/03/2027	Cut Tape $1.14 $0.798 $0.584 $0.486 Reel $0.39 View $0.457 $0.367 $0.357	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Reflective, Phototransistor Output	Reflective		0.5 mm
Optical Switches, Transmissive, Photo IC Output DARK-ON EE-SX3088 Aratas 1: $6.70 350In Stock	Mfr. Part No. EE-SX3088 Mouser Part No 653-EE-SX3088	Aratas	Optical Switches, Transmissive, Photo IC Output DARK-ON Learn More about Aratas omroneesy1200	Datasheet	350In Stock	$6.70 $4.99 $3.89 $3.27 View $3.21 $3.15	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB821S5Z Optek / TT Electronics 1: $5.51 7,073In Stock	Mfr. Part No. OPB821S5Z Mouser Part No 828-OPB821S5Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	7,073In Stock	$5.51 $5.24 $5.04 $5.02	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Reflective, Phototransistor Output Reflective 940/PTR 1.6V Mx 10.2mm space LITEON LTH-209-01 LTH-209-01 LITEON 1: $1.06 3,435In Stock	Mfr. Part No. LTH-209-01 Mouser Part No 859-LTH-209-01	LITEON	Optical Switches, Reflective, Phototransistor Output Reflective 940/PTR 1.6V Mx 10.2mm space	Datasheet	3,435In Stock	$1.06 $0.901 $0.77 $0.704 View $0.678 $0.665 $0.664 $0.635	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB816Z Optek / TT Electronics 1: $3.97 4,873In Stock	Mfr. Part No. OPB816Z Mouser Part No 828-OPB816Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	4,873In Stock	$3.97 $3.96	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 OPB841W51Z Optek / TT Electronics 1: $5.84 3,988In Stock	Mfr. Part No. OPB841W51Z Mouser Part No 828-OPB841W51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	3,988In Stock	$5.84 $5.52 $5.40 $5.30 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output REFL CONV PHTOTRNSTR EE-SY169A Aratas 1: $8.59 92In Stock	Mfr. Part No. EE-SY169A Mouser Part No 653-EE-SY169A	Aratas	Optical Switches, Reflective, Phototransistor Output REFL CONV PHTOTRNSTR Learn More about Aratas omron optical sensors	Datasheet	92In Stock	$8.59 $8.58 $8.53 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		4 mm
Optical Switches, Specialised 1460nm SMD Reflective Switch Flat Top MTRS6014C Marktech Optoelectronics 1: $54.38 6In Stock	Mfr. Part No. MTRS6014C Mouser Part No 193-MTRS6014C	Marktech Optoelectronics	Optical Switches, Specialised 1460nm SMD Reflective Switch Flat Top	Datasheet	6In Stock	$54.38 $40.97 $39.89	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: $3.18 738In Stock	Mfr. Part No. OPB841L55 Mouser Part No 828-OPB841L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	738In Stock	$3.18 $2.93	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Specialised 1070nm SMD Reflective Switch Flat Top MTRS7010C Marktech Optoelectronics 1: $54.38 7In Stock	Mfr. Part No. MTRS7010C Mouser Part No 193-MTRS7010C	Marktech Optoelectronics	Optical Switches, Specialised 1070nm SMD Reflective Switch Flat Top	Datasheet	7In Stock	$54.38 $40.97 $39.89	Min.: 1 Mult.: 1	Optical Switches, Specialized	Reflective		0.5 mm to 1.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890L11Z Optek / TT Electronics 1: $5.35 316In Stock	Mfr. Part No. OPB890L11Z Mouser Part No 828-OPB890L11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	316In Stock	$5.35 $5.34 $5.18 $5.07 View Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Switch OPB315L Optek / TT Electronics 1: $5.16 379In Stock	Mfr. Part No. OPB315L Mouser Part No 828-OPB315L	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Switch	Datasheet	379In Stock	$5.16 $4.75 $4.74 $4.57 $4.55	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	22.86 mm	22.86 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB857Z Optek / TT Electronics 1: $6.49 576In Stock	Mfr. Part No. OPB857Z Mouser Part No 828-OPB857Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	576In Stock	$6.49 $6.48 $6.00 $5.94	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.8 mm	3.8 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB871N55 Optek / TT Electronics 1: $2.72 876In Stock	Mfr. Part No. OPB871N55 Mouser Part No 828-OPB871N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	876In Stock	$2.72 $2.45 $2.44 $2.35	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 OPB850-1Z Optek / TT Electronics 1: $5.77 630In Stock	Mfr. Part No. OPB850-1Z Mouser Part No 828-OPB850-1Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	630In Stock	$5.77 $5.17 $5.07 $5.06 $4.97	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Actuator Type
Optical Switches, Transmissive, Phototransistor Output .08" WIDE GAP 890NM OPB820S10 Optek / TT Electronics 1: $3.70 1,256In Stock	Mfr. Part No. OPB820S10 Mouser Part No 828-OPB820S10	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .08" WIDE GAP 890NM	Datasheet	1,256In Stock	$3.70 $3.37 $3.23 $3.20	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 OPB854A3 Optek / TT Electronics 1: $3.20 474In Stock	Mfr. Part No. OPB854A3 Mouser Part No 828-OPB854A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	474In Stock	$3.20 $2.91 $2.79 $2.78	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 OPB859 Optek / TT Electronics 1: $3.49 637In Stock	Mfr. Part No. OPB859 Mouser Part No 828-OPB859	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	637In Stock	$3.49 $3.13 $3.12 $3.00	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 OPB365P55 Optek / TT Electronics 1: $3.40 599In Stock 400Expected 01/12/2026	Mfr. Part No. OPB365P55 Mouser Part No 828-OPB365P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	599In Stock 400Expected 01/12/2026	$3.40 $2.88 $2.77	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm