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20 mA Bulk 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 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 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, 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, 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 OPB390T55Z Optek / TT Electronics 1: $4.95 690In Stock	Mfr. Part No. OPB390T55Z Mouser Part No 828-OPB390T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	690In Stock	$4.95 $4.68 $4.67 $4.64 $4.40	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811L55 Optek / TT Electronics 1: $2.65 1,072In Stock	Mfr. Part No. OPB811L55 Mouser Part No 828-OPB811L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch	Datasheet	1,072In Stock	$2.65 $2.48 $2.43 $2.41	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 OPB870N11 Optek / TT Electronics 1: $3.13 602In Stock	Mfr. Part No. OPB870N11 Mouser Part No 828-OPB870N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	602In Stock	$3.13 $2.88 $2.87 $2.81 $2.68	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 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 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 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 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
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390P11Z Optek / TT Electronics 1: $5.19 1,212In Stock	Mfr. Part No. OPB390P11Z Mouser Part No 828-OPB390P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	1,212In Stock	$5.19 $4.61 $4.58 $4.56 View $4.55 $4.48	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 OPB806 Optek / TT Electronics 1: $3.81 415In Stock	Mfr. Part No. OPB806 Mouser Part No 828-OPB806	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	415In Stock	$3.81 $3.40 $3.39 $3.26 $3.22	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB810W55Z Optek / TT Electronics 1: $4.84 308In Stock	Mfr. Part No. OPB810W55Z Mouser Part No 828-OPB810W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	308In Stock	$4.84 $4.34 $4.18 $4.13	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 OPB390P55Z Optek / TT Electronics 1: $5.67 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	$5.67 $5.12 $5.09 $5.03 View $5.01 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: $54.38 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	$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 OPB360L11 Optek / TT Electronics 1: $3.07 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	$3.07 $2.92	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm