.hide-partial { max-height: none; } .show-more { display: none; }

20 mA Optical Switches

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Optical Switches

List Images

Results: 249

Applied Filters:

If - Forward Current = 20 mA

Manufacturer

Product Type

Sensing Method

Slot Width

Sensing Distance

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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: $0.72 172,746In 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	172,746In Stock	Cut Tape $0.72 $0.602 $0.575 $0.488 Reel $0.427 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,180 : 1,000	Optical Switches, Reflective, Phototransistor Output	Reflective		1 mm
Optical Switches, Transmissive, Photo IC Output With IC w/Detector 4.5 to 16 VDC EE-SX498 Omron Electronics 1: $2.81 3,727In Stock 3,000Expected 2026/10/14	Mfr. Part No. EE-SX498 Mouser Part No 653-EE-SX498	Omron Electronics	Optical Switches, Transmissive, Photo IC Output With IC w/Detector 4.5 to 16 VDC Learn More about Omron Electronics omron optical sensors	Datasheet	3,727In Stock 3,000Expected 2026/10/14	$2.81 $2.43 $2.04 $2.01	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output TCRT1000 Vishay Semiconductors 1: $0.79 4,551In Stock 8,000Expected 2026/10/22	Mfr. Part No. TCRT1000 Mouser Part No 782-TCRT1000	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	4,551In Stock 8,000Expected 2026/10/22	$0.79 $0.664 $0.601 $0.549 View $0.526 $0.516 $0.505	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 4 mm
Optical Switches, Reflective, Photo IC Output REFL DARK-ON EE-SY310 Omron Electronics 1: $4.38 721In Stock End of Life	Mfr. Part No. EE-SY310 Mouser Part No 653-EE-SY310 End of Life	Omron Electronics	Optical Switches, Reflective, Photo IC Output REFL DARK-ON Learn More about Omron Electronics omron optical sensors	Datasheet	721In Stock	$4.38 $3.83 $3.45 $3.19 View $3.11 $3.06	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5 mm
Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type ATIR0511S Kingbright 1: $1.23 698In Stock	Mfr. Part No. ATIR0511S Mouser Part No 604-ATIR0511S	Kingbright	Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type	Datasheet	698In Stock	$1.23 $1.05 $0.964 $0.854 View $0.807 $0.768 $0.733 $0.697	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.4 mm
Optical Switches, Reflective, Phototransistor Output PHOTO TRANS QRD1114 onsemi 1: $1.23 2,182In Stock	Mfr. Part No. QRD1114 Mouser Part No 512-QRD1114	onsemi	Optical Switches, Reflective, Phototransistor Output PHOTO TRANS	Datasheet	2,182In Stock	$1.23 $1.05 $0.955	Min.: 1 Mult.: 1 Max.: 100	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Photo IC Output SMT Reflective Photo microsensor EE-SY1201 Omron Electronics 1: $3.47 979In Stock	Mfr. Part No. EE-SY1201 Mouser Part No 653-EE-SY1201	Omron Electronics	Optical Switches, Reflective, Photo IC Output SMT Reflective Photo microsensor Learn More about Omron Electronics omron ee sy1201 reflective photomicrosensor	Datasheet	979In Stock	Cut Tape $3.47 $3.01 $2.90 $2.67 Reel $2.50 View $2.35 Quote	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Reflective, Photo IC Output	Reflective		3 mm
Optical Switches, Reflective, Phototransistor Output Ref Optical Sensor Transtr Output 940nm VCNT2020 Vishay Semiconductors 1: $0.561 19,290In Stock 36,000On Order	Mfr. Part No. VCNT2020 Mouser Part No 78-VCNT2020	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Ref Optical Sensor Transtr Output 940nm Learn More about Vishay Semiconductors vishay vcnt2020 sensor	Datasheet	19,290In Stock 36,000On Order	Cut Tape $0.561 $0.471 $0.449 $0.392 Reel $0.365 View $0.374 $0.351 $0.326 $0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 2.5 mm
Optical Switches, Reflective, Phototransistor Output Photointerrupter Reflective 0.5mm GP2S60 Sharp Microelectronics 1: $0.561 17,249Expected 2026/11/05	Mfr. Part No. GP2S60 Mouser Part No 852-GP2S60	Sharp Microelectronics	Optical Switches, Reflective, Phototransistor Output Photointerrupter Reflective 0.5mm	Datasheet	17,249Expected 2026/11/05	Cut Tape $0.561 $0.466 $0.444 $0.40 Reel $0.364 View $0.384 $0.347 $0.321 $0.312 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Reflective, Phototransistor Output	Reflective		0.5 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output TCRT1010 Vishay Semiconductors 1: $0.811 2,059In Stock	Mfr. Part No. TCRT1010 Mouser Part No 782-TCRT1010	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	2,059In Stock	$0.811 $0.684 $0.654 $0.592 View $0.556 $0.545 $0.502 $0.478 $0.475	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 4 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor LITEON LTH-301-07 LTH-301-07 LITEON 1: $0.761 14,505In Stock	Mfr. Part No. LTH-301-07 Mouser Part No 859-LTH-301-07	LITEON	Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor	Datasheet	14,505In Stock	$0.761 $0.635 $0.572 $0.548 View $0.527 $0.518 $0.483 $0.468 $0.427	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output PHOTO INTERRUPTER SLOTTED TYPE BPI-3C2-06 American Bright LED 1: $1.58 2,977In Stock	Mfr. Part No. BPI-3C2-06 Mouser Part No 442-BPI3C206	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	2,977In Stock	$1.58 $1.12 $0.827 $0.691 View $0.642 $0.608 $0.594 $0.516	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted, Through-Beam Type		5 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR EE-SX1018 Omron Electronics 1: $3.02 206In Stock	Mfr. Part No. EE-SX1018 Mouser Part No 653-EE-SX1018	Omron Electronics	Optical Switches, Transmissive, Phototransistor Output PHOTOTRANSISTOR Learn More about Omron Electronics omron optical sensors	Datasheet	206In Stock	$3.02 $2.62 $2.37 $2.11 View $2.01 $1.98	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm	2 mm
Optical Switches, Transmissive, Photo IC Output QPAQUE Dark-ON EE-SX384 Omron Electronics 1: $6.40 33In Stock	Mfr. Part No. EE-SX384 Mouser Part No 653-EE-SX384	Omron Electronics	Optical Switches, Transmissive, Photo IC Output QPAQUE Dark-ON Learn More about Omron Electronics omron optical sensors	Datasheet	33In Stock	$6.40 $4.93 $4.69 $4.62	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.5 mm
Optical Switches, Transmissive, Photo IC Output TRNS DRK-ON/LIGHT-ON EE-SX398 Omron Electronics 1: $2.59 241In Stock 1,000Expected 2026/11/20	Mfr. Part No. EE-SX398 Mouser Part No 653-EE-SX398	Omron Electronics	Optical Switches, Transmissive, Photo IC Output TRNS DRK-ON/LIGHT-ON Learn More about Omron Electronics omron optical sensors	Datasheet	241In Stock 1,000Expected 2026/11/20	$2.59 $2.24 $2.02 $1.97 View $1.90 $1.86 $1.76 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Photo IC Output OPAQUE Light-ON EE-SX484 Omron Electronics 1: $6.40 115In Stock	Mfr. Part No. EE-SX484 Mouser Part No 653-EE-SX484	Omron Electronics	Optical Switches, Transmissive, Photo IC Output OPAQUE Light-ON Learn More about Omron Electronics omroneesy1200	Datasheet	115In Stock	$6.40 $5.61 $5.08 $4.71 $4.62	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.5 mm
Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Dark On) EE-SX3088-W11 Omron Electronics 1: $11.42 51In Stock	Mfr. Part No. EE-SX3088-W11 Mouser Part No 653-EESX3088W11	Omron Electronics	Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Dark On) Learn More about Omron Electronics omroneesy1200	Datasheet	51In Stock	$11.42 $10.11 $9.44 $8.79 $8.77	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Photo IC Output Dust Proof Type Photo IC (Dark On) EE-SX3161-W11 Omron Electronics 1: $12.89 27In Stock 140Expected 2026/10/30	Mfr. Part No. EE-SX3161-W11 Mouser Part No 653-EESX3161W11	Omron Electronics	Optical Switches, Transmissive, Photo IC Output Dust Proof Type Photo IC (Dark On) Learn More about Omron Electronics omron optical sensors	Datasheet	27In Stock 140Expected 2026/10/30	$12.89 $11.42 $10.50	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.2 mm
Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC Dark ON 5mm EE-SX3350 Omron Electronics 1: $2.01 105In Stock 3,200Expected 2026/12/25	Mfr. Part No. EE-SX3350 Mouser Part No 653-EESX3350	Omron Electronics	Optical Switches, Transmissive, Photo IC Output Transmissive SMT Photo-IC Dark ON 5mm Learn More about Omron Electronics omron optical sensors	Datasheet	105In Stock 3,200Expected 2026/12/25	Cut Tape $2.01 $1.73 $1.54 Reel $1.47 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 400	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	5 mm
Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Light On) EE-SX4088-W11 Omron Electronics 1: $12.11 50In Stock	Mfr. Part No. EE-SX4088-W11 Mouser Part No 653-EESX4088W11	Omron Electronics	Optical Switches, Transmissive, Photo IC Output General Purpose Photo IC (Light On) Learn More about Omron Electronics omron optical sensors	Datasheet	50In Stock	$12.11 $10.71 $9.91 $9.37	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.4 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB380T51Z Optek / TT Electronics 1: $5.08 5,047In Stock	Mfr. Part No. OPB380T51Z Mouser Part No 828-OPB380T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	5,047In Stock	$5.08 $4.85 $4.84	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 OPB821S5Z Optek / TT Electronics 1: $5.59 7,263In Stock	Mfr. Part No. OPB821S5Z Mouser Part No 828-OPB821S5Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	7,263In Stock	$5.59 $5.54	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY OPB831W55Z Optek / TT Electronics 1: $5.04 3,414In Stock	Mfr. Part No. OPB831W55Z Mouser Part No 828-OPB831W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY	Datasheet	3,414In Stock	$5.04 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output GP1S196HCPSF Sharp Microelectronics 1: $0.861 14,382In Stock	Mfr. Part No. GP1S196HCPSF Mouser Part No 852-GP1S196HCPSF	Sharp Microelectronics	Optical Switches, Transmissive, Phototransistor Output	Datasheet	14,382In Stock	Cut Tape $0.861 $0.595 $0.433 $0.354 Reel $0.29 View $0.343 $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 Phototransistor LTH-1550-01 LITEON 1: $0.62 2,972In Stock	Mfr. Part No. LTH-1550-01 Mouser Part No 859-LTH-1550-01	LITEON	Optical Switches, Reflective, Phototransistor Output Photointerrupter Phototransistor	Datasheet	2,972In Stock	$0.62 $0.518 $0.466 $0.445 View $0.428 $0.419 $0.391 $0.369 $0.358	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm