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

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.
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: 1,183

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, Phototransistor Output .08" SLOT INFRARED

OPB820S5
Optek / TT Electronics
1: ¥657.8
358In Stock

Mfr. Part #
OPB820S5

Mouser Part #
828-OPB820S5

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED

Datasheet

358In Stock

¥657.8

¥629.5

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

2.03 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB825A
Optek / TT Electronics
1: ¥353.8
798In Stock

Mfr. Part #
OPB825A

Mouser Part #
828-OPB825A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

798In Stock

¥353.8

¥337.2

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

4.06 mm

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB840W11Z
Optek / TT Electronics
1: ¥1,024.8
709In Stock

Mfr. Part #
OPB840W11Z

Mouser Part #
828-OPB840W11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

709In Stock

¥1,024.8

¥1,016.5

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840W51Z
Optek / TT Electronics
1: ¥873.7
429In Stock

Mfr. Part #
OPB840W51Z

Mouser Part #
828-OPB840W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

429In Stock

¥873.7

¥833.8

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB841W55Z
Optek / TT Electronics
1: ¥951.8
286In Stock

Mfr. Part #
OPB841W55Z

Mouser Part #
828-OPB841W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

286In Stock

¥951.8

¥807.2

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB850-1Z
Optek / TT Electronics
1: ¥958.4
642In Stock

Mfr. Part #
OPB850-1Z

Mouser Part #
828-OPB850-1Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

642In Stock

¥958.4

¥910.2

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Actuator Type

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB855
Optek / TT Electronics
1: ¥370.4
1,478In Stock
450Expected 8/14/2026

Mfr. Part #
OPB855

Mouser Part #
828-OPB855

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

1,478In Stock

450Expected 8/14/2026

¥370.4

¥357.1

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.21 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB857Z
Optek / TT Electronics
1: ¥1,033.1
576In Stock

Mfr. Part #
OPB857Z

Mouser Part #
828-OPB857Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

576In Stock

¥1,033.1

¥986.6

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.8 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB865T51
Optek / TT Electronics
1: ¥539.8
889In Stock

Mfr. Part #
OPB865T51

Mouser Part #
828-OPB865T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

889In Stock

¥539.8

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB866T55
Optek / TT Electronics
1: ¥508.3
2,887In Stock

Mfr. Part #
OPB866T55

Mouser Part #
828-OPB866T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

2,887In Stock

¥508.3

¥473.4

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB870N51
Optek / TT Electronics
1: ¥446.8
580In Stock

Mfr. Part #
OPB870N51

Mouser Part #
828-OPB870N51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

580In Stock

¥446.8

¥423.6

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN

OPB880P51Z
Optek / TT Electronics
1: ¥838.8
1,029In Stock

Mfr. Part #
OPB880P51Z

Mouser Part #
828-OPB880P51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN

Learn More

Datasheet

1,029In Stock

¥838.8

¥784

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN

OPB880T51Z
Optek / TT Electronics
1: ¥822.2
1,049In Stock
1,600Expected 10/21/2026

Mfr. Part #
OPB880T51Z

Mouser Part #
828-OPB880T51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLT 880 PHOTO TRAN

Learn More

Datasheet

1,049In Stock

1,600Expected 10/21/2026

¥822.2

¥782.3

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB880T55Z
Optek / TT Electronics
1: ¥813.9
759In Stock

Mfr. Part #
OPB880T55Z

Mouser Part #
828-OPB880T55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

759In Stock

¥813.9

¥767.4

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890L11Z
Optek / TT Electronics
1: ¥820.5
372In Stock

Mfr. Part #
OPB890L11Z

Mouser Part #
828-OPB890L11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

372In Stock

¥820.5

¥815.6

¥785.7

¥782.3

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890T51Z
Optek / TT Electronics
1: ¥774
1,277In Stock

Mfr. Part #
OPB890T51Z

Mouser Part #
828-OPB890T51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

1,277In Stock

¥774

¥745.8

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Slotted

OPB891T51Z
Optek / TT Electronics
1: ¥823.9
502In Stock

Mfr. Part #
OPB891T51Z

Mouser Part #
828-OPB891T51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Slotted

Learn More

Datasheet

502In Stock

¥823.9

¥745.8

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch

OPB460N11
Optek / TT Electronics
1: ¥528.2
370In Stock

Mfr. Part #
OPB460N11

Mouser Part #
828-OPB460N11

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Optical Switch

Datasheet

370In Stock

¥528.2

¥495

¥480

¥475

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch

OPB615
Optek / TT Electronics
1: ¥375.4
1,095In Stock

Mfr. Part #
OPB615

Mouser Part #
828-OPB615

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch

Datasheet

1,095In Stock

¥375.4

¥338.8

¥328.9

¥315.6

¥312.3

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

3.81 mm

Optical Switches, Transmissive, Photo IC Output Output Photologic Input Diode

OPB625
Optek / TT Electronics
1: ¥400.3
1,617In Stock
1,500Expected 9/3/2026

Mfr. Part #
OPB625

Mouser Part #
828-OPB625

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Output Photologic Input Diode

Datasheet

1,617In Stock

1,500Expected 9/3/2026

¥400.3

¥370.4

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

4.83 mm

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch

OPB666N
Optek / TT Electronics
1: ¥551.5
1,429In Stock

Mfr. Part #
OPB666N

Mouser Part #
828-OPB666N

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Photologic Slotted Opt Switch

Datasheet

1,429In Stock

¥551.5

¥501.6

¥483.4

¥476.7

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Optical Switches, Reflective, Photo IC Output Photologic Refl. Object Sensor

OPB718Z
Optek / TT Electronics
1: ¥1,267.3
443In Stock

Mfr. Part #
OPB718Z

Mouser Part #
828-OPB718Z

Optek / TT Electronics

Optical Switches, Reflective, Photo IC Output Photologic Refl. Object Sensor

Datasheet

443In Stock

¥1,267.3

¥1,187.6

Min.: 1
Mult.: 1

Optical Switches, Reflective, Photo IC Output

Reflective

12.7 mm

Optical Switches, Reflective, Photo IC Output Reflective Sensor

OPB720B-06Z
Optek / TT Electronics
1: ¥2,807.1
165In Stock

Mfr. Part #
OPB720B-06Z

Mouser Part #
828-OPB720B-06Z

Optek / TT Electronics

Optical Switches, Reflective, Photo IC Output Reflective Sensor

Datasheet

165In Stock

¥2,807.1

¥2,747.3

¥2,621.1

Min.: 1
Mult.: 1

Optical Switches, Reflective, Photo IC Output

Reflective

1 mm to 152 mm

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

OPB900W55Z
Optek / TT Electronics
1: ¥1,102.9
1,362In Stock
700Expected 9/2/2026

Mfr. Part #
OPB900W55Z

Mouser Part #
828-OPB900W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

Datasheet

1,362In Stock

700Expected 9/2/2026

¥1,102.9

¥1,101.2

¥1,086.3

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

9.5 mm

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

OPB910W55Z
Optek / TT Electronics
1: ¥1,149.4
459In Stock

Mfr. Part #
OPB910W55Z

Mouser Part #
828-OPB910W55Z

Optek / TT Electronics

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

Datasheet

459In Stock

¥1,149.4

¥1,089.6

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output

Transmissive, Slotted

9.5 mm

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

0.5 mm
1.1 mm
1.2 mm
2 mm
2.03 mm
2.29 mm
2.54 mm
2.79 mm
2.8 mm
3 mm
3.05 mm
3.1 mm
3.175 mm
3.18 mm
3.2 mm
3.3 mm
3.4 mm
3.5 mm
3.6 mm
3.8 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
1.27 mm
2 mm
2 mm to 22 mm