.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 .375" WIDE GAP 890NM

OPB810L51
Optek / TT Electronics
1: 2,57 €
482Expected 9/15/2026

Mfr. Part No.
OPB810L51

Mouser Part No
828-OPB810L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM

Datasheet

482Expected 9/15/2026

2,57 €

2,45 €

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: 3,95 €
236In Stock
1 400Expected 10/21/2026

Mfr. Part No.
OPB811W55Z

Mouser Part No
828-OPB811W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch

Learn More

Datasheet

236In Stock

1 400Expected 10/21/2026

3,95 €

3,90 €

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: 2,19 €
266In Stock
500Expected 9/25/2026

Mfr. Part No.
OPB818

Mouser Part No
828-OPB818

Optek / TT Electronics

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

Datasheet

Product Comments

266In Stock

500Expected 9/25/2026

2,19 €

2,18 €

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: 3,41 €
358In Stock

Mfr. Part No.
OPB820S5

Mouser Part No
828-OPB820S5

Optek / TT Electronics

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

Datasheet

358In Stock

3,41 €

3,26 €

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: 1,81 €
685In Stock

Mfr. Part No.
OPB825

Mouser Part No
828-OPB825

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

685In Stock

1,81 €

1,72 €

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: 1,83 €
178In Stock
1 000Expected 11/26/2026

Mfr. Part No.
OPB825A

Mouser Part No
828-OPB825A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

178In Stock

1 000Expected 11/26/2026

1,83 €

1,75 €

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: 2,65 €
6In Stock

Mfr. Part No.
OPB827A

Mouser Part No
828-OPB827A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

6In Stock

2,65 €

2,25 €

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: 3,54 €
129In Stock
300On Order

Mfr. Part No.
OPB829DZ

Mouser Part No
828-OPB829DZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

129In Stock

300On Order

3,54 €

3,39 €

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: 3,14 €
100In Stock
800On Order

Mfr. Part No.
OPB830L11

Mouser Part No
828-OPB830L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

100In Stock

800On Order

3,14 €

2,96 €

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: 2,56 €
19In Stock
400Expected 11/20/2026

Mfr. Part No.
OPB830L51

Mouser Part No
828-OPB830L51

Optek / TT Electronics

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

Datasheet

19In Stock

400Expected 11/20/2026

2,56 €

2,39 €

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: 4,68 €
10In Stock
800Expected 8/25/2026

Mfr. Part No.
OPB830W51Z

Mouser Part No
828-OPB830W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

10In Stock

800Expected 8/25/2026

4,68 €

4,66 €

4,53 €

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: 4,17 €
55In Stock
1 000Expected 10/21/2026

Mfr. Part No.
OPB830W55Z

Mouser Part No
828-OPB830W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

55In Stock

1 000Expected 10/21/2026

4,17 €

4,11 €

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: 5,37 €
100In Stock

Mfr. Part No.
OPB831W51Z

Mouser Part No
828-OPB831W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Optical Switch

Datasheet

100In Stock

5,37 €

4,46 €

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: 4,32 €
132In Stock

Mfr. Part No.
OPB832W55Z

Mouser Part No
828-OPB832W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

132In Stock

4,32 €

4,09 €

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: 2,94 €
142In Stock

Mfr. Part No.
OPB840L11

Mouser Part No
828-OPB840L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

Datasheet

142In Stock

2,94 €

2,69 €

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: 2,23 €
284In Stock

Mfr. Part No.
OPB847

Mouser Part No
828-OPB847

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

284In Stock

2,23 €

2,12 €

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: 2,38 €
93In Stock

Mfr. Part No.
OPB852A1

Mouser Part No
828-OPB852A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

93In Stock

2,38 €

2,25 €

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: 3,16 €
232In Stock

Mfr. Part No.
OPB853A1

Mouser Part No
828-OPB853A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

232In Stock

3,16 €

3,02 €

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: 2,39 €
42In Stock

Mfr. Part No.
OPB860N55

Mouser Part No
828-OPB860N55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

42In Stock

2,39 €

2,24 €

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: 2,72 €
171In Stock

Mfr. Part No.
OPB861T55

Mouser Part No
828-OPB861T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

171In Stock

2,72 €

2,38 €

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: 2,80 €
389In Stock

Mfr. Part No.
OPB865T51

Mouser Part No
828-OPB865T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

389In Stock

2,80 €

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: 2,77 €
163In Stock

Mfr. Part No.
OPB865T55

Mouser Part No
828-OPB865T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

163In Stock

2,77 €

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: 2,33 €
398In Stock

Mfr. Part No.
OPB870T51

Mouser Part No
828-OPB870T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

398In Stock

2,33 €

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: 4,24 €
16In Stock
400Expected 9/7/2026

Mfr. Part No.
OPB880L51Z

Mouser Part No
828-OPB880L51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

16In Stock

400Expected 9/7/2026

4,24 €

3,92 €

3,91 €

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: 4,77 €
67In Stock

Mfr. Part No.
OPB880T11Z

Mouser Part No
828-OPB880T11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH

Learn More

Datasheet

67In Stock

4,77 €

4,30 €

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