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High Reliability Sensors

Optek / TT Electronics High Reliability Sensors are engineered to deliver consistent, non-contact sensing and signal isolation in demanding environments. Built on proven optical and magnetic technologies, these sensor solutions deliver reliable performance where contamination, misalignment, and electrical noise can impact system operation. Designed for flexibility and long service life, this portfolio of Optek / TT Electronics sensors supports industrial, medical, aerospace, and control applications requiring stable, repeatable detection.

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Part #

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OHS3020U
Optek / TT Electronics
1: $10.86
903In Stock

Mfr. Part #
OHS3020U

Mouser Part #
828-OHS3020U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

903In Stock

$10.86

View

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OHS3040U
Optek / TT Electronics
1: $6.72
586In Stock

Mfr. Part #
OHS3040U

Mouser Part #
828-OHS3040U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

586In Stock

$6.72

$6.60

$6.58

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupled Isolator

4N24A
Optek / TT Electronics
1: $59.99
164In Stock

Mfr. Part #
4N24A

Mouser Part #
828-4N24A

Optek / TT Electronics

Transistor Output Optocouplers Optocoupled Isolator

Datasheet

164In Stock

$59.99

$59.98

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupled Isolator

4N49
Optek / TT Electronics
1: $67.64
170In Stock

Mfr. Part #
4N49

Mouser Part #
828-4N49

Optek / TT Electronics

Transistor Output Optocouplers Optocoupled Isolator

Datasheet

170In Stock

$67.64

$65.62

$59.43

View

Min.: 1
Mult.: 1

Bipolar Transistors - BJT NPN/PNP Transistor 6 Pin

2N4854U
Optek / TT Electronics
1: $52.33
267In Stock

Mfr. Part #
2N4854U

Mouser Part #
828-2N4854U

Optek / TT Electronics

Bipolar Transistors - BJT NPN/PNP Transistor 6 Pin

Datasheet

267In Stock

$52.33

$51.19

Quote

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupled Isolator

4N23
Optek / TT Electronics
1: $51.55
227In Stock

Mfr. Part #
4N23

Mouser Part #
828-4N23

Optek / TT Electronics

Transistor Output Optocouplers Optocoupled Isolator

Datasheet

227In Stock

$51.55

$49.61

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OH360U
Optek / TT Electronics
1: $9.22
457In Stock

Mfr. Part #
OH360U

Mouser Part #
828-OH360U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

457In Stock

$9.22

$9.20

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupled Isolator

4N49U
Optek / TT Electronics
1: $53.06
1,807In Stock

Mfr. Part #
4N49U

Mouser Part #
828-4N49U

Optek / TT Electronics

Transistor Output Optocouplers Optocoupled Isolator

Datasheet

1,807In Stock

$53.06

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

OHB900
Optek / TT Electronics
1: $16.72
649In Stock
600Expected 2026-08-24

Mfr. Part #
OHB900

Mouser Part #
828-OHB900

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

Datasheet

Product Comments

649In Stock

600Expected 2026-08-24

$16.72

$16.21

$15.70

$15.65

Quote

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OHN3040U
Optek / TT Electronics
1: $6.78
382In Stock

Mfr. Part #
OHN3040U

Mouser Part #
828-OHN3040U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

382In Stock

$6.78

$6.26

$6.16

$6.15

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

OHS3140U
Optek / TT Electronics
1: $8.34
392In Stock

Mfr. Part #
OHS3140U

Mouser Part #
828-OHS3140U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

Datasheet

Product Comments

392In Stock

$8.34

Min.: 1
Mult.: 1

Bipolar Transistors - BJT PNP G.P. Transistor 3 Pin

2N2907AUB
Optek / TT Electronics
1: $47.78
212In Stock

Mfr. Part #
2N2907AUB

Mouser Part #
828-2N2907AUB

Optek / TT Electronics

Bipolar Transistors - BJT PNP G.P. Transistor 3 Pin

Datasheet

212In Stock

$47.78

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupled Isolator

3C92C
Optek / TT Electronics
1: $29.94
147In Stock

Mfr. Part #
3C92C

Mouser Part #
828-3C92C

Optek / TT Electronics

Transistor Output Optocouplers Optocoupled Isolator

Datasheet

147In Stock

$29.94

$29.45

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OMH3075
Optek / TT Electronics
1: $55.34
150In Stock

Mfr. Part #
OMH3075

Mouser Part #
828-OMH3075

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

150In Stock

$55.34

$55.18

Min.: 1
Mult.: 1

Bipolar Transistors - BJT NPN G.P. TRANSISTOR

2N2222AUB
Optek / TT Electronics
1: $47.78
5In Stock
600On Order

Mfr. Part #
2N2222AUB

Mouser Part #
828-2N2222AUB

Optek / TT Electronics

Bipolar Transistors - BJT NPN G.P. TRANSISTOR

Datasheet

5In Stock

600On Order

$47.78

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

OH090U
Optek / TT Electronics
1: $8.06
239In Stock
1,000Expected 2026-10-29

Mfr. Part #
OH090U

Mouser Part #
828-OH090U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

Datasheet

Product Comments

239In Stock

1,000Expected 2026-10-29

$8.06

$7.85

$7.72

$7.68

$7.36

Min.: 1
Mult.: 1

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

OHN3140U
Optek / TT Electronics
1: $7.92
330In Stock

Mfr. Part #
OHN3140U

Mouser Part #
828-OHN3140U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR

Datasheet

Product Comments

330In Stock

$7.92

$7.20

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78

JANTX4N24A
Optek / TT Electronics
1: $62.47
168In Stock

Mfr. Part #
JANTX4N24A

Mouser Part #
828-JANTX4N24A

Optek / TT Electronics

Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78

Datasheet

168In Stock

$62.47

Min.: 1
Mult.: 1

Transistor Output Optocouplers Isolator

3N244
Optek / TT Electronics
1: $30.36
3In Stock

Mfr. Part #
3N244

Mouser Part #
828-3N244

Optek / TT Electronics

Transistor Output Optocouplers Isolator

Datasheet

3In Stock

$30.36

Min.: 1
Mult.: 1

Transistor Output Optocouplers TO-78 OCI

JAN4N49
Optek / TT Electronics
1: $67.20
1In Stock
99On Order

Mfr. Part #
JAN4N49

Mouser Part #
828-JAN4N49

Optek / TT Electronics

Transistor Output Optocouplers TO-78 OCI

Datasheet

1In Stock

99On Order

$67.20

Min.: 1
Mult.: 1

Transistor Output Optocouplers TO-78 OCI Collector Isolated

JANTX4N49A
Optek / TT Electronics
1: $65.94
200Expected 2027-03-18

Mfr. Part #
JANTX4N49A

Mouser Part #
828-JANTX4N49A

Optek / TT Electronics

Transistor Output Optocouplers TO-78 OCI Collector Isolated

Datasheet

200Expected 2027-03-18

$65.94

Min.: 1
Mult.: 1

Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG

HCC242TX
Optek / TT Electronics
240: $44.71
Non-Stocked

Mfr. Part #
HCC242TX

Mouser Part #
828-HCC242TX

Optek / TT Electronics

Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG

Datasheet

Non-Stocked

$44.71

Min.: 240
Mult.: 240

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OH180U
Optek / TT Electronics
1,000: $10.14
Non-Stocked Lead-Time 18 Weeks

Mfr. Part #
OH180U

Mouser Part #
828-OH180U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

Non-Stocked Lead-Time 18 Weeks

$10.14

Min.: 1,000
Mult.: 1,000

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

OHS3175U
Optek / TT Electronics
1,000: $6.09
Non-Stocked Lead-Time 18 Weeks

Mfr. Part #
OHS3175U

Mouser Part #
828-OHS3175U

Optek / TT Electronics

Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor

Datasheet

Product Comments

Non-Stocked Lead-Time 18 Weeks

$6.09

Min.: 1,000
Mult.: 1,000

Infrared Emitters 890NM 100mW 100mA

OP224TXV
Optek / TT Electronics
100: $43.32
Non-Stocked Lead-Time 34 Weeks

Mfr. Part #
OP224TXV

Mouser Part #
828-OP224TXV

Optek / TT Electronics

Infrared Emitters 890NM 100mW 100mA

Datasheet

Non-Stocked Lead-Time 34 Weeks

$43.32

Min.: 100
Mult.: 100