.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: £4.08
3,939In Stock

Mfr. Part No.
OP516A

Mouser Part No
828-OP516A

Optek / TT Electronics

Phototransistors Photo Transistor

Datasheet

3,939In Stock

£4.08

£3.95

Min.: 1
Mult.: 1

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

OPB848
Optek / TT Electronics
1: £1.84
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

£1.84

£1.68

£1.66

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB841W51Z
Optek / TT Electronics
1: £4.38
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

£4.38

£3.95

£3.94

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY

OPB831W55Z
Optek / TT Electronics
1: £3.55
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

£3.55

£3.41

£3.38

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB821S5Z
Optek / TT Electronics
1: £4.10
9,275In Stock

Mfr. Part No.
OPB821S5Z

Mouser Part No
828-OPB821S5Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

9,275In Stock

£4.10

£3.95

£3.93

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB380T51Z
Optek / TT Electronics
1: £3.80
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

£3.80

£3.46

£3.44

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB816Z
Optek / TT Electronics
1: £3.11
5,924In Stock

Mfr. Part No.
OPB816Z

Mouser Part No
828-OPB816Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

5,924In Stock

£3.11

£3.10

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch

OPB911W55Z
Optek / TT Electronics
1: £4.71
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

£4.71

£4.70

£4.66

£4.65

Min.: 1
Mult.: 1

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

OPB492T11Z
Optek / TT Electronics
1: £3.51
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

£3.51

£3.40

£3.37

Min.: 1
Mult.: 1

Encoders 15 pulse 30 detent 11mm Rotary

EN11-HSM3BF15
BI Technologies / TT Electronics
1: £2.35
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

£2.35

£2.19

£1.96

£1.80

View

Min.: 1
Mult.: 1

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

PHS11R2DBR10KE341
BI Technologies / TT Electronics
1: £1.49
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

£1.49

£1.26

£1.17

£0.995

View

Reel

£0.655

Min.: 1
Mult.: 1

Reel: 1,000

Board Mount Motion & Position Sensors Hollow Shaft Rotary Position Sensor

PHS11R2DBR10KE333
BI Technologies / TT Electronics
1: £1.49
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

£1.49

£1.26

£1.17

£0.995

View

Reel

£0.655

Min.: 1
Mult.: 1

Reel: 1,000

Photo IC Sensors Photologic Sensor

OPL811-OC
Optek / TT Electronics
1: £2.92
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

£2.92

£2.66

£2.56

£2.55

Min.: 1
Mult.: 1

Phototransistors Photo Transistor

OP800WSL
Optek / TT Electronics
1: £2.51
1,782In Stock

Mfr. Part No.
OP800WSL

Mouser Part No
828-OP800WSL

Optek / TT Electronics

Phototransistors Photo Transistor

Datasheet

1,782In Stock

£2.51

£2.30

£2.23

£2.15

Min.: 1
Mult.: 1

Optical Sensor Development Tools Calibration Circuit Wired Opto Assembly

OCB100CZ
Optek / TT Electronics
1: £15.75
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

£15.75

£14.84

£14.39

Min.: 1
Mult.: 1

Photodiodes Photodiode

OP950
Optek / TT Electronics
1: £0.586
2,135In Stock

Mfr. Part No.
OP950

Mouser Part No
828-OP950

Optek / TT Electronics

Photodiodes Photodiode

Datasheet

Product Comments

2,135In Stock

£0.586

£0.555

£0.547

Quote

Min.: 1
Mult.: 1

Level Sensors Fluid in-line sensor .125" Tube

OPB350
Optek / TT Electronics
1: £4.10
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

£4.10

£3.86

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB705WZ
Optek / TT Electronics
1: £3.30
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

£3.30

£2.95

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB740WZ
Optek / TT Electronics
1: £3.16
578In Stock

Mfr. Part No.
OPB740WZ

Mouser Part No
828-OPB740WZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

578In Stock

£3.16

£2.91

£2.90

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM

OPB745
Optek / TT Electronics
1: £2.44
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

£2.44

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB853A3
Optek / TT Electronics
1: £2.84
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

£2.84

£2.55

£2.54

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB859
Optek / TT Electronics
1: £2.62
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

£2.62

£2.35

£2.34

Min.: 1
Mult.: 1

Encoders 20 pulse 20 detent 11mm Rotary

EN11-VSM1AF15
BI Technologies / TT Electronics
1: £2.35
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

£2.35

£2.19

£1.96

£1.80

View

Min.: 1
Mult.: 1

Encoders 20 pulse 20 detent 11mm

EN11-VSM1BQ20
BI Technologies / TT Electronics
1: £2.35
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

£2.35

£2.19

£1.96

£1.80

View

Min.: 1
Mult.: 1

Board Mount Hall Effect/Magnetic Sensors Hall Effect Sensor

OHN3120U
Optek / TT Electronics
1: £3.90
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

£3.90

Min.: 1
Mult.: 1

TT Electronics Sensors

Types of Sensors

Customer Service Office

Company

Resources

Support