.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: 506

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 Wide Gap Opt Switch

OPB800W55Z
Optek / TT Electronics
1: $5.111
30In Stock
800Expected 10/21/2026

Mfr. Part #
OPB800W55Z

Mouser Part #
828-OPB800W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

Learn More

Datasheet

30In Stock

800Expected 10/21/2026

$5.111

$4.838

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

OPB801L55
Optek / TT Electronics
1: $3.060
223In Stock

Mfr. Part #
OPB801L55

Mouser Part #
828-OPB801L55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

Datasheet

223In Stock

$3.060

$2.892

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

OPB802W55Z
Optek / TT Electronics
1: $5.353
217In Stock

Mfr. Part #
OPB802W55Z

Mouser Part #
828-OPB802W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

Learn More

Datasheet

217In Stock

$5.353

$5.080

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS

OPB810W51Z
Optek / TT Electronics
1: $5.111
281In Stock
1.400Expected 11/26/2026

Mfr. Part #
OPB810W51Z

Mouser Part #
828-OPB810W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .375" SLOT OPAQUE WIRE LEADS

Learn More

Datasheet

281In Stock

1.400Expected 11/26/2026

$5.111

$5.038

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch

OPB811W55Z
Optek / TT Electronics
1: $4.827
236In Stock
1.400Expected 10/21/2026

Mfr. Part #
OPB811W55Z

Mouser Part #
828-OPB811W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch

Learn More

Datasheet

236In Stock

1.400Expected 10/21/2026

$4.827

$4.764

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED

OPB818
Optek / TT Electronics
1: $2.682
266In Stock
500Expected 9/25/2026

Mfr. Part #
OPB818

Mouser Part #
828-OPB818

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED

Datasheet

Product Comments

266In Stock

500Expected 9/25/2026

$2.682

$2.661

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.1 mm

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

OPB820S5
Optek / TT Electronics
1: $4.165
327In Stock

Mfr. Part #
OPB820S5

Mouser Part #
828-OPB820S5

Optek / TT Electronics

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

Datasheet

327In Stock

$4.165

$3.986

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: $2.219
685In Stock

Mfr. Part #
OPB825

Mouser Part #
828-OPB825

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

685In Stock

$2.219

$2.103

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

4.06 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB825A
Optek / TT Electronics
1: $2.240
178In Stock
1.000Expected 11/24/2026

Mfr. Part #
OPB825A

Mouser Part #
828-OPB825A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

178In Stock

1.000Expected 11/24/2026

$2.240

$2.135

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: $3.723
6In Stock

Mfr. Part #
OPB827A

Mouser Part #
828-OPB827A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

6In Stock

$3.723

$3.155

$2.755

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: $4.333
229In Stock
200Expected 8/26/2026

Mfr. Part #
OPB829DZ

Mouser Part #
828-OPB829DZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

229In Stock

200Expected 8/26/2026

$4.333

$4.144

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: $3.839
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

$3.839

$3.618

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: $3.134
17In Stock
400Expected 11/20/2026

Mfr. Part #
OPB830L51

Mouser Part #
828-OPB830L51

Optek / TT Electronics

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

Datasheet

17In Stock

400Expected 11/20/2026

$3.134

$2.924

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: $5.721
10In Stock
800Expected 8/25/2026

Mfr. Part #
OPB830W51Z

Mouser Part #
828-OPB830W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

10In Stock

800Expected 8/25/2026

$5.721

$5.700

$5.542

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: $5.101
55In Stock
1.000Expected 10/21/2026

Mfr. Part #
OPB830W55Z

Mouser Part #
828-OPB830W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

55In Stock

1.000Expected 10/21/2026

$5.101

$5.027

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: $6.563
100In Stock

Mfr. Part #
OPB831W51Z

Mouser Part #
828-OPB831W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Optical Switch

Datasheet

100In Stock

$6.563

$5.458

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: $5.279
119In Stock

Mfr. Part #
OPB832W55Z

Mouser Part #
828-OPB832W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

119In Stock

$5.279

$4.996

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: $3.597
142In Stock

Mfr. Part #
OPB840L11

Mouser Part #
828-OPB840L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

Datasheet

142In Stock

$3.597

$3.260

$3.155

$3.134

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: $2.724
244In Stock

Mfr. Part #
OPB847

Mouser Part #
828-OPB847

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

244In Stock

$2.724

$2.598

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: $2.913
93In Stock

Mfr. Part #
OPB852A1

Mouser Part #
828-OPB852A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

93In Stock

$2.913

$2.755

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: $3.870
232In Stock

Mfr. Part #
OPB853A1

Mouser Part #
828-OPB853A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

232In Stock

$3.870

$3.691

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: $2.924
42In Stock

Mfr. Part #
OPB860N55

Mouser Part #
828-OPB860N55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

42In Stock

$2.924

$2.629

$2.619

$2.524

$2.503

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: $3.323
171In Stock

Mfr. Part #
OPB861T55

Mouser Part #
828-OPB861T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

171In Stock

$3.323

$2.913

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB865T51
Optek / TT Electronics
1: $3.418
389In Stock

Mfr. Part #
OPB865T51

Mouser Part #
828-OPB865T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

389In Stock

$3.418

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: $3.386
163In Stock

Mfr. Part #
OPB865T55

Mouser Part #
828-OPB865T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

163In Stock

$3.386

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Transmissive, Slotted Optical Switches

Types of Optical Switches

Customer Service Office

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