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

Optical Switches

Optical Switches are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many optical switch manufacturers including Broadcom, Omron, onsemi, Sharp Micro, TT Electronics, Vishay & more. Please view our large selection of optical switches below.

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

Types of Optical Switches

List Images

Results: 980

Applied Filters:

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; }

Part #

Optical Switches, Transmissive, Photo IC Output 0.3mm slit width photoIC

RPI-1133
ROHM Semiconductor
1: Rp24.033
5.926In Stock
NRND

Mfr. Part No.
RPI-1133

Mouser Part No
755-RPI-1133

NRND

ROHM Semiconductor

Optical Switches, Transmissive, Photo IC Output 0.3mm slit width photoIC

Learn More

Datasheet

5.926In Stock

Rp24.033

Rp16.860

Rp16.401

Rp16.383

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

1.1 mm

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

OPB911W55Z
Optek / TT Electronics
1: Rp115.213
2.376In Stock

Mfr. Part No.
OPB911W55Z

Mouser Part No
828-OPB911W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

Datasheet

2.376In Stock

Rp115.213

Rp113.929

Rp109.526

Rp107.508

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS

OPB492T11Z
Optek / TT Electronics
1: Rp85.676
3.756In Stock

Mfr. Part No.
OPB492T11Z

Mouser Part No
828-OPB492T11Z

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output SLOTTED W/WIRE LEADS

Datasheet

3.756In Stock

Rp85.676

Rp82.374

Rp82.190

Rp79.622

Rp79.071

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB866T51
Optek / TT Electronics
1: Rp55.221
511In Stock

Mfr. Part No.
OPB866T51

Mouser Part No
828-OPB866T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

511In Stock

Rp55.221

Rp52.470

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Reflective, Phototransistor Output COBP Photo Refelctor 400uA 30mA 6V 45mW

NJL5901AR-TE1
Nisshinbo
1: Rp29.354
1.975In Stock

Mfr. Part No.
NJL5901AR-TE1

Mouser Part No
513-NJL5901AR-TE1

Nisshinbo

Optical Switches, Reflective, Phototransistor Output COBP Photo Refelctor 400uA 30mA 6V 45mW

Datasheet

1.975In Stock

Cut Tape

Rp29.354

Rp19.997

Rp15.062

Rp12.879

Rp12.182

Reel

Rp8.953

Min.: 1
Mult.: 1

Reel: 2.000

Optical Switches, Reflective, Phototransistor Output

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 6.7mm space

LTH-306-01
LITEON
1: Rp20.731
22In Stock

Mfr. Part No.
LTH-306-01

Mouser Part No
859-LTH-306-01

LITEON

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 6.7mm space

Datasheet

22In Stock

Rp20.731

Rp14.438

Rp10.696

Rp9.026

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.4V Max 75mW

LTH-306-64
LITEON
1: Rp24.951
29In Stock

Mfr. Part No.
LTH-306-64

Mouser Part No
859-LTH-306-64

LITEON

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.4V Max 75mW

Datasheet

29In Stock

Rp24.951

Rp17.465

Rp13.007

Rp11.044

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

Optical Switches, Transmissive, Phototransistor Output Single Channel Slotted Interrupter with Phototransistor output

VT171P
Vishay Semiconductors
1: Rp27.152
910In Stock
New Product

Mfr. Part No.
VT171P

Mouser Part No
78-VT171P

New Product

Vishay Semiconductors

Optical Switches, Transmissive, Phototransistor Output Single Channel Slotted Interrupter with Phototransistor output

Learn More

Datasheet

910In Stock

Cut Tape

Rp27.152

Rp19.263

Rp14.438

Rp12.329

Reel

Rp11.063

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.300

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3 mm

Optical Switches, Transmissive, Phototransistor Output Dual Channel Slotted Interrupter with Phototransistor outputs

VT172U
Vishay Semiconductors
1: Rp28.987
896In Stock
New Product

Mfr. Part No.
VT172U

Mouser Part No
78-VT172U

New Product

Vishay Semiconductors

Optical Switches, Transmissive, Phototransistor Output Dual Channel Slotted Interrupter with Phototransistor outputs

Learn More

Datasheet

896In Stock

Cut Tape

Rp28.987

Rp20.731

Rp15.521

Rp13.283

Reel

Rp11.833

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.300

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3 mm

Optical Switches, Reflective, Phototransistor Output COBP Photo Reflector

NJL5902R-1-TE1
Nisshinbo
1: Rp34.307
1.307In Stock

Mfr. Part No.
NJL5902R-1-TE1

Mouser Part No
513-NJL5902R-1-TE1

Nisshinbo

Optical Switches, Reflective, Phototransistor Output COBP Photo Reflector

Datasheet

1.307In Stock

Cut Tape

Rp34.307

Rp24.400

Rp18.529

Rp16.053

Rp11.613

Reel

Rp11.393

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

Optical Switches, Reflective, Phototransistor Output

Reflective

0.7 mm

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space

LTH-309-08
LITEON
1: Rp25.868
1.563In Stock

Mfr. Part No.
LTH-309-08

Mouser Part No
859-LTH-309-08

LITEON

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space

Datasheet

1.563In Stock

Rp25.868

Rp18.089

Rp8.201

Rp8.182

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB705WZ
Optek / TT Electronics
1: Rp80.722
400In Stock
15Expected 23/03/2026

Mfr. Part No.
OPB705WZ

Mouser Part No
828-OPB705WZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

400In Stock

15Expected 23/03/2026

Rp80.722

Rp72.100

Rp69.715

Rp69.164

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

3.81 mm

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB740WZ
Optek / TT Electronics
1: Rp77.237
578In Stock

Mfr. Part No.
OPB740WZ

Mouser Part No
828-OPB740WZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

578In Stock

Rp77.237

Rp70.999

Rp70.632

Rp68.064

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

3.81 mm

Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM

OPB745
Optek / TT Electronics
1: Rp59.441
2.361In Stock

Mfr. Part No.
OPB745

Mouser Part No
828-OPB745

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM

Datasheet

2.361In Stock

Rp59.441

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

3.81 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB853A3
Optek / TT Electronics
1: Rp69.348
423In Stock

Mfr. Part No.
OPB853A3

Mouser Part No
828-OPB853A3

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

423In Stock

Rp69.348

Rp62.193

Rp61.826

Rp59.991

Rp59.625

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB390T55Z
Optek / TT Electronics
1: Rp95.583
725In Stock

Mfr. Part No.
OPB390T55Z

Mouser Part No
828-OPB390T55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

725In Stock

Rp95.583

Rp84.392

Rp82.924

Rp80.722

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB842W51Z
Optek / TT Electronics
1: Rp83.291
2.147In Stock

Mfr. Part No.
OPB842W51Z

Mouser Part No
828-OPB842W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

2.147In Stock

Rp83.291

Rp80.906

Rp80.722

Rp77.971

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890P51Z
Optek / TT Electronics
1: Rp80.539
804In Stock

Mfr. Part No.
OPB890P51Z

Mouser Part No
828-OPB890P51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

804In Stock

Rp80.539

Rp77.787

Rp77.604

Rp74.668

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840W55Z
Optek / TT Electronics
1: Rp94.482
910In Stock

Mfr. Part No.
OPB840W55Z

Mouser Part No
828-OPB840W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

910In Stock

Rp94.482

Rp89.345

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Reflective, Phototransistor Output Reflective Sensor TO-72

OPB730
Optek / TT Electronics
1: Rp153.006
468In Stock

Mfr. Part No.
OPB730

Mouser Part No
828-OPB730

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor TO-72

Datasheet

468In Stock

Rp153.006

Rp151.538

Rp147.869

Quote

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

6.35 mm

Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE

OPB735AWZ
Optek / TT Electronics
1: Rp368.755
84In Stock

Mfr. Part No.
OPB735AWZ

Mouser Part No
828-OPB735AWZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output REFL.OBJ. SENS HI TEMP 12"WIRE

Learn More

Datasheet

84In Stock

Rp368.755

Rp368.388

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

12.7 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB841W55Z
Optek / TT Electronics
1: Rp93.565
344In Stock

Mfr. Part No.
OPB841W55Z

Mouser Part No
828-OPB841W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

344In Stock

Rp93.565

Rp86.043

Rp85.859

Rp83.291

Rp80.906

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Photo IC Output .050 APERTURE OPAQUE

OPB910W55Z
Optek / TT Electronics
1: Rp126.954
618In Stock

Mfr. Part No.
OPB910W55Z

Mouser Part No
828-OPB910W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output .050 APERTURE OPAQUE

Datasheet

618In Stock

Rp126.954

Rp120.350

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB390L51Z
Optek / TT Electronics
1: Rp83.841
629In Stock

Mfr. Part No.
OPB390L51Z

Mouser Part No
828-OPB390L51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

629In Stock

Rp83.841

Rp82.374

Rp80.172

Rp79.989

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB743
Optek / TT Electronics
1: Rp49.351
546In Stock

Mfr. Part No.
OPB743

Mouser Part No
828-OPB743

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

546In Stock

Rp49.351

Rp46.782

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output

Reflective

3.81 mm

Optical Switches

Types of Optical Switches

Customer Service Office

Company

Resources

Support

American Bright LED
ams OSRAM
Broadcom Limited
DFRobot
Everlight
Honeywell
Inolux
Kingbright
L-Com
LITEON
M5Stack
Marktech Optoelectronics
Nisshinbo Micro Devices
Omron
onsemi
ROHM Semiconductor
Sharp Microelectronics
Stanley Electric
TT Electronics
Vishay

0.5 mm
0.8 mm
1 mm
1.1 mm
1.2 mm
1.5 mm
2 mm
2.03 mm
2.29 mm
2.54 mm
2.7 mm
2.8 mm
3 mm
3.05 mm
3.1 mm
3.18 mm
3.2 mm
3.3 mm
3.4 mm
3.5 mm

0 mm to 5 mm
0.2 mm to 15 mm
0.2 mm to 2.5 mm
0.2 mm to 4 mm
0.5 mm
0.5 mm to 1.5 mm
0.5 mm to 5 mm
0.7 mm
0.9 mm
1 mm
1 mm to 152 mm
1 mm to 305 mm
1 mm to 5 mm
1 mm to 762 mm
1 mm to 9 mm
1.1 mm
1.14 mm
1.2 mm
1.27 mm
2 mm