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

Transmissive, Slotted Optical Switches

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

Types of Optical Switches

List Images

Results: 507

Applied Filters:

Sensing Method = Transmissive, Slotted

Manufacturer

Product Type

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: $5.70
358In Stock

Mfr. Part #
OPB820S5

Mouser Part #
828-OPB820S5

Optek / TT Electronics

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

Datasheet

358In Stock

$5.70

$5.46

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

2.03 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB825
Optek / TT Electronics
1: $3.04
685In Stock

Mfr. Part #
OPB825

Mouser Part #
828-OPB825

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

685In Stock

$3.04

$2.88

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

4.06 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB827A
Optek / TT Electronics
1: $4.44
6In Stock

Mfr. Part #
OPB827A

Mouser Part #
828-OPB827A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

6In Stock

$4.44

$3.77

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.05 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB829DZ
Optek / TT Electronics
1: $5.93
129In Stock
300On Order

Mfr. Part #
OPB829DZ

Mouser Part #
828-OPB829DZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

129In Stock

300On Order

$5.93

$5.67

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB830L11
Optek / TT Electronics
1: $5.26
100In Stock
800On Order

Mfr. Part #
OPB830L11

Mouser Part #
828-OPB830L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

100In Stock

800On Order

$5.26

$4.95

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED

OPB830L51
Optek / TT Electronics
1: $4.29
19In Stock
400Expected 2026-11-24

Mfr. Part #
OPB830L51

Mouser Part #
828-OPB830L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED

Datasheet

19In Stock

400Expected 2026-11-24

$4.29

$4.00

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB830W51Z
Optek / TT Electronics
1: $7.83
10In Stock
800Expected 2026-08-25

Mfr. Part #
OPB830W51Z

Mouser Part #
828-OPB830W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

10In Stock

800Expected 2026-08-25

$7.83

$7.80

$7.59

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB830W55Z
Optek / TT Electronics
1: $6.98
55In Stock
1,000Expected 2026-10-21

Mfr. Part #
OPB830W55Z

Mouser Part #
828-OPB830W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

55In Stock

1,000Expected 2026-10-21

$6.98

$6.88

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Optical Switch

OPB831W51Z
Optek / TT Electronics
1: $8.99
100In Stock

Mfr. Part #
OPB831W51Z

Mouser Part #
828-OPB831W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Optical Switch

Datasheet

100In Stock

$8.99

$7.47

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB832W55Z
Optek / TT Electronics
1: $7.23
132In Stock

Mfr. Part #
OPB832W55Z

Mouser Part #
828-OPB832W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

132In Stock

$7.23

$6.84

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

OPB840L11
Optek / TT Electronics
1: $4.92
142In Stock

Mfr. Part #
OPB840L11

Mouser Part #
828-OPB840L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

Datasheet

142In Stock

$4.92

$4.46

$4.32

$4.29

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB847
Optek / TT Electronics
1: $3.73
284In Stock

Mfr. Part #
OPB847

Mouser Part #
828-OPB847

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

284In Stock

$3.73

$3.56

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

2.54 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB852A1
Optek / TT Electronics
1: $3.99
93In Stock

Mfr. Part #
OPB852A1

Mouser Part #
828-OPB852A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

93In Stock

$3.99

$3.77

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB853A1
Optek / TT Electronics
1: $5.30
232In Stock

Mfr. Part #
OPB853A1

Mouser Part #
828-OPB853A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

232In Stock

$5.30

$5.05

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB860N55
Optek / TT Electronics
1: $4.00
242In Stock

Mfr. Part #
OPB860N55

Mouser Part #
828-OPB860N55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

242In Stock

$4.00

$3.60

$3.59

$3.46

$3.43

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB861T55
Optek / TT Electronics
1: $4.55
171In Stock

Mfr. Part #
OPB861T55

Mouser Part #
828-OPB861T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

171In Stock

$4.55

$3.99

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB865T55
Optek / TT Electronics
1: $4.64
163In Stock

Mfr. Part #
OPB865T55

Mouser Part #
828-OPB865T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

163In Stock

$4.64

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB870T51
Optek / TT Electronics
1: $3.90
398In Stock

Mfr. Part #
OPB870T51

Mouser Part #
828-OPB870T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

398In Stock

$3.90

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB880L51Z
Optek / TT Electronics
1: $7.10
16In Stock
400Expected 2026-09-07

Mfr. Part #
OPB880L51Z

Mouser Part #
828-OPB880L51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

16In Stock

400Expected 2026-09-07

$7.10

$6.57

$6.45

$6.15

$6.08

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH

OPB880T11Z
Optek / TT Electronics
1: $7.99
67In Stock

Mfr. Part #
OPB880T11Z

Mouser Part #
828-OPB880T11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH

Learn More

Datasheet

67In Stock

$7.99

$7.16

$6.91

$6.88

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB881L55Z
Optek / TT Electronics
1: $7.01
150In Stock

Mfr. Part #
OPB881L55Z

Mouser Part #
828-OPB881L55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

150In Stock

$7.01

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB881T55Z
Optek / TT Electronics
1: $7.07
253In Stock

Mfr. Part #
OPB881T55Z

Mouser Part #
828-OPB881T55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

253In Stock

$7.07

$6.55

$6.34

$6.31

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output 0.125" SLOT WIDTH

OPB885Z
Optek / TT Electronics
1: $12.28
158In Stock

Mfr. Part #
OPB885Z

Mouser Part #
828-OPB885Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output 0.125" SLOT WIDTH

Learn More

Datasheet

158In Stock

$12.28

$11.13

$10.74

$10.70

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890P11Z
Optek / TT Electronics
1: $7.47
51In Stock

Mfr. Part #
OPB890P11Z

Mouser Part #
828-OPB890P11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

51In Stock

$7.47

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890P55Z
Optek / TT Electronics
1: $6.75
63In Stock

Mfr. Part #
OPB890P55Z

Mouser Part #
828-OPB890P55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

63In Stock

$6.75

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Transmissive, Slotted Optical Switches

Types of Optical Switches

Mouser Electronics®

Company

Resources

Support

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

1.1 mm
2 mm
2.03 mm
2.29 mm
2.54 mm
2.8 mm
3 mm
3.05 mm
3.18 mm
3.2 mm
3.4 mm
3.6 mm
3.8 mm
3.94 mm
4 mm
4.06 mm
4.83 mm
5 mm
5.1 mm
5.2 mm