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

TT Electronics Sensors

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

Types of Sensors

List Images

Results: 748

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 #

Phototransistors Photo Transistor

OP516A
Optek / TT Electronics
1: $5.43
3,839In Stock

Mfr. Part No.
OP516A

Mouser Part No
828-OP516A

Optek / TT Electronics

Phototransistors Photo Transistor

Datasheet

3,839In Stock

$5.43

$5.27

Min.: 1
Mult.: 1

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

OPB848
Optek / TT Electronics
1: $2.45
12,025In Stock

Mfr. Part No.
OPB848

Mouser Part No
828-OPB848

Optek / TT Electronics

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

Datasheet

12,025In Stock

$2.45

$2.24

$2.21

$2.16

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB841W51Z
Optek / TT Electronics
1: $5.84
4,131In Stock

Mfr. Part No.
OPB841W51Z

Mouser Part No
828-OPB841W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

4,131In Stock

$5.84

$5.25

$5.24

$5.05

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY

OPB831W55Z
Optek / TT Electronics
1: $4.73
5,314In Stock

Mfr. Part No.
OPB831W55Z

Mouser Part No
828-OPB831W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY

Datasheet

5,314In Stock

$4.73

$4.50

$4.35

$4.33

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB821S5Z
Optek / TT Electronics
1: $5.47
9,267In Stock

Mfr. Part No.
OPB821S5Z

Mouser Part No
828-OPB821S5Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

9,267In Stock

$5.47

$5.22

$5.04

$5.02

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB380T51Z
Optek / TT Electronics
1: $5.06
6,013In Stock

Mfr. Part No.
OPB380T51Z

Mouser Part No
828-OPB380T51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

6,013In Stock

$5.06

$4.57

$4.43

$4.40

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB816Z
Optek / TT Electronics
1: $4.14
5,918In Stock

Mfr. Part No.
OPB816Z

Mouser Part No
828-OPB816Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

5,918In Stock

$4.14

$4.11

$3.97

$3.96

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

OPB911W55Z
Optek / TT Electronics
1: $6.28
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

$6.28

$6.21

$5.97

$5.86

View

Min.: 1
Mult.: 1

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

OPB492T11Z
Optek / TT Electronics
1: $4.67
3,794In Stock

Mfr. Part No.
OPB492T11Z

Mouser Part No
828-OPB492T11Z

Optek / TT Electronics

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

Datasheet

3,794In Stock

$4.67

$4.49

$4.48

$4.34

$4.31

Min.: 1
Mult.: 1

Encoders 15 pulse 30 detent 11mm Rotary

EN11-HSM3BF15
BI Technologies / TT Electronics
1: $3.13
5,018In Stock

Mfr. Part No.
EN11-HSM3BF15

Mouser Part No
858-EN11-HSM3BF15

BI Technologies / TT Electronics

Encoders 15 pulse 30 detent 11mm Rotary

Datasheet

5,018In Stock

$3.13

$2.92

$2.61

$2.39

View

Min.: 1
Mult.: 1

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

PHS11R2DBR10KE341
BI Technologies / TT Electronics
1: $1.99
492In Stock

Mfr. Part No.
PHS11R2DBR10KE341

Mouser Part No
858-PHS11R2DBR10K341

BI Technologies / TT Electronics

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

Learn More

Datasheet

492In Stock

Cut Tape

$1.99

$1.68

$1.56

$1.32

View

Reel

$0.872

Min.: 1
Mult.: 1

Reel: 1,000

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

PHS11R2DBR10KE333
BI Technologies / TT Electronics
1: $1.99
741In Stock

Mfr. Part No.
PHS11R2DBR10KE333

Mouser Part No
858-PHS11R2DBR10K333

BI Technologies / TT Electronics

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

Learn More

Datasheet

741In Stock

Cut Tape

$1.99

$1.68

$1.56

$1.32

View

Reel

$0.872

Min.: 1
Mult.: 1

Reel: 1,000

Photo IC Sensors Photologic Sensor

OPL811-OC
Optek / TT Electronics
1: $3.88
1,266In Stock

Mfr. Part No.
OPL811-OC

Mouser Part No
828-OPL811-OC

Optek / TT Electronics

Photo IC Sensors Photologic Sensor

Datasheet

1,266In Stock

$3.88

$3.55

$3.41

$3.40

Min.: 1
Mult.: 1

Phototransistors Photo Transistor

OP800WSL
Optek / TT Electronics
1: $3.35
1,782In Stock

Mfr. Part No.
OP800WSL

Mouser Part No
828-OP800WSL

Optek / TT Electronics

Phototransistors Photo Transistor

Datasheet

1,782In Stock

$3.35

$3.07

$2.97

$2.70

Min.: 1
Mult.: 1

Optical Sensor Development Tools Calibration Circuit Wired Opto Assembly

OCB100CZ
Optek / TT Electronics
1: $20.98
91In Stock

Mfr. Part No.
OCB100CZ

Mouser Part No
828-OCB100CZ

Optek / TT Electronics

Optical Sensor Development Tools Calibration Circuit Wired Opto Assembly

Learn More

Datasheet

91In Stock

$20.98

$19.77

$19.03

$18.34

View

Min.: 1
Mult.: 1

Photodiodes Photodiode

OP950
Optek / TT Electronics
1: $0.78
2,135In Stock

Mfr. Part No.
OP950

Mouser Part No
828-OP950

Optek / TT Electronics

Photodiodes Photodiode

Datasheet

Product Comments

2,135In Stock

$0.78

$0.74

$0.729

Quote

Min.: 1
Mult.: 1

Level Sensors Fluid in-line sensor .125" Tube

OPB350
Optek / TT Electronics
1: $5.47
628In Stock

Mfr. Part No.
OPB350

Mouser Part No
828-OPB350

Optek / TT Electronics

Level Sensors Fluid in-line sensor .125" Tube

Datasheet

628In Stock

$5.47

$5.12

$4.97

$4.93

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB705WZ
Optek / TT Electronics
1: $4.40
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

$4.40

$3.93

$3.80

$3.77

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB740WZ
Optek / TT Electronics
1: $4.21
578In Stock

Mfr. Part No.
OPB740WZ

Mouser Part No
828-OPB740WZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

578In Stock

$4.21

$3.87

$3.85

$3.71

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM

OPB745
Optek / TT Electronics
1: $3.24
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

$3.24

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB853A3
Optek / TT Electronics
1: $3.78
425In Stock

Mfr. Part No.
OPB853A3

Mouser Part No
828-OPB853A3

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

425In Stock

$3.78

$3.39

$3.37

$3.27

$3.25

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB859
Optek / TT Electronics
1: $3.49
648In Stock

Mfr. Part No.
OPB859

Mouser Part No
828-OPB859

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

648In Stock

$3.49

$3.13

$2.93

Min.: 1
Mult.: 1

Encoders 20 pulse 20 detent 11mm Rotary

EN11-VSM1AF15
BI Technologies / TT Electronics
1: $3.13
2,261In Stock

Mfr. Part No.
EN11-VSM1AF15

Mouser Part No
858-EN11-VSM1AF15

BI Technologies / TT Electronics

Encoders 20 pulse 20 detent 11mm Rotary

Datasheet

2,261In Stock

$3.13

$2.92

$2.61

$2.39

View

Min.: 1
Mult.: 1

Encoders 20 pulse 20 detent 11mm

EN11-VSM1BQ20
BI Technologies / TT Electronics
1: $3.13
1,155In Stock

Mfr. Part No.
EN11-VSM1BQ20

Mouser Part No
858-EN11-VSM1BQ20

BI Technologies / TT Electronics

Encoders 20 pulse 20 detent 11mm

Datasheet

1,155In Stock

$3.13

$2.92

$2.61

$2.39

View

Min.: 1
Mult.: 1

Board Mount Hall Effect/Magnetic Sensors Hall Effect Sensor

OHN3120U
Optek / TT Electronics
1: $5.19
523In Stock

Mfr. Part No.
OHN3120U

Mouser Part No
828-OHN3120U

Optek / TT Electronics

Board Mount Hall Effect/Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

523In Stock

$5.19

$5.00

$4.99

Min.: 1
Mult.: 1

TT Electronics Sensors

Types of Sensors

Customer Service Office

Company

Resources

Support