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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHS3040U Optek / TT Electronics 1: $5.320 580In Stock	Mfr. Part # OHS3040U Mouser Part # 828-OHS3040U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	580In Stock	$5.320 $5.218 $5.206	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHN3140U Optek / TT Electronics 1: $12.407 330In Stock	Mfr. Part # OHN3140U Mouser Part # 828-OHN3140U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	330In Stock	$12.407 $12.395 $12.236 $7.007 View $6.312 Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N24A Optek / TT Electronics 1: $47.496 142In Stock	Mfr. Part # 4N24A Mouser Part # 828-4N24A	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	142In Stock	$47.496 $47.474 $47.451 View Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N49 Optek / TT Electronics 1: $53.546 154In Stock	Mfr. Part # 4N49 Mouser Part # 828-4N49	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	154In Stock	$53.546 $51.951 $47.018 Quote Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OMH3075 Optek / TT Electronics 1: $44.443 150In Stock	Mfr. Part # OMH3075 Mouser Part # 828-OMH3075	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor Learn More about Optek / TT Electronics optek tt omh bs sensors	Datasheet	150In Stock	$44.443 $43.714 $43.167 View Quote	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN/PNP Transistor 6 Pin 2N4854U Optek / TT Electronics 1: $41.413 267In Stock	Mfr. Part # 2N4854U Mouser Part # 828-2N4854U	Optek / TT Electronics	Bipolar Transistors - BJT NPN/PNP Transistor 6 Pin Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	267In Stock	$41.413 $40.501 $40.490	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N23 Optek / TT Electronics 1: $40.786 205In Stock	Mfr. Part # 4N23 Mouser Part # 828-4N23	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	205In Stock	$40.786 $39.590 $39.578 View Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OH360U Optek / TT Electronics 1: $7.291 440In Stock	Mfr. Part # OH360U Mouser Part # 828-OH360U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	440In Stock	$7.291	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHS3020U Optek / TT Electronics 1: $8.590 903In Stock	Mfr. Part # OHS3020U Mouser Part # 828-OHS3020U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	903In Stock	$8.590	Min.: 1 Mult.: 1
Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78 JANTX4N24A Optek / TT Electronics 1: $44.933 168In Stock	Mfr. Part # JANTX4N24A Mouser Part # 828-JANTX4N24A	Optek / TT Electronics	Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78 Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	168In Stock	$44.933 $44.922 $43.965 View Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers TO-78 OCI Collector Isolated JANTX4N49A Optek / TT Electronics 1: $47.417 200In Stock	Mfr. Part # JANTX4N49A Mouser Part # 828-JANTX4N49A	Optek / TT Electronics	Transistor Output Optocouplers TO-78 OCI Collector Isolated Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	200In Stock	$47.417 View Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N49U Optek / TT Electronics 1: $41.982 1.388In Stock	Mfr. Part # 4N49U Mouser Part # 828-4N49U	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	1.388In Stock	$41.982	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OH090U Optek / TT Electronics 1: $6.733 665In Stock 2.000Expected 3/8/2027	Mfr. Part # OH090U Mouser Part # 828-OH090U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	665In Stock 2.000Expected 3/8/2027	$6.733 $6.471 $6.357 $6.312 View $6.300 $5.947 Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHB900 Optek / TT Electronics 1: $13.227 1.195In Stock	Mfr. Part # OHB900 Mouser Part # 828-OHB900	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	1.195In Stock	$13.227 $12.828 $12.418 $12.384 Quote Quote	Min.: 1 Mult.: 1
Bipolar Transistors - BJT PNP G.P. Transistor 3 Pin 2N2907AUB Optek / TT Electronics 1: $37.801 204In Stock	Mfr. Part # 2N2907AUB Mouser Part # 828-2N2907AUB	Optek / TT Electronics	Bipolar Transistors - BJT PNP G.P. Transistor 3 Pin Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	204In Stock	$37.801	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN G.P. TRANSISTOR 2N2222AUB Optek / TT Electronics 1: $37.801 3In Stock 990On Order	Mfr. Part # 2N2222AUB Mouser Part # 828-2N2222AUB	Optek / TT Electronics	Bipolar Transistors - BJT NPN G.P. TRANSISTOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	3In Stock 990On Order On Order Ship Dates Mfr. #: 2N2222AUB Stock: 3 Can Ship Immediately On Order: 390 Expected 11/20/2026 600 Expected 5/14/2027 Factory Lead-Time: 35 Weeks	$37.801	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHN3040U Optek / TT Electronics 1: $5.366 167In Stock	Mfr. Part # OHN3040U Mouser Part # 828-OHN3040U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	167In Stock	$5.366 $4.956 $4.876 $4.865	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 3C92C Optek / TT Electronics 1: $23.686 34In Stock 100Expected 6/10/2027	Mfr. Part # 3C92C Mouser Part # 828-3C92C	Optek / TT Electronics	Transistor Output Optocouplers Optocoupled Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	34In Stock 100Expected 6/10/2027	$23.686 $23.298	Min.: 1 Mult.: 1
Transistor Output Optocouplers TO-78 OCI JAN4N49 Optek / TT Electronics 1: $53.216 2In Stock 100Expected 5/10/2027	Mfr. Part # JAN4N49 Mouser Part # 828-JAN4N49	Optek / TT Electronics	Transistor Output Optocouplers TO-78 OCI Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	2In Stock 100Expected 5/10/2027	$53.216 $53.159 Quote Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHS3140U Optek / TT Electronics 1: $6.596 974Expected 1/25/2027	Mfr. Part # OHS3140U Mouser Part # 828-OHS3140U	Optek / TT Electronics	Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	974Expected 1/25/2027	$6.596	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN G.P. Transistor 4 Pin 2N2222AUA Optek / TT Electronics 1: $37.801 240Expected 11/20/2026	Mfr. Part # 2N2222AUA Mouser Part # 828-2N2222AUA	Optek / TT Electronics	Bipolar Transistors - BJT NPN G.P. Transistor 4 Pin Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	240Expected 11/20/2026	$37.801	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OH180U Optek / TT Electronics 1.000: $8.021 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 Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.021	Min.: 1.000 Mult.: 1.000
Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG HCC242TX Optek / TT Electronics 240: $39.613 Non-Stocked	Mfr. Part # HCC242TX Mouser Part # 828-HCC242TX	Optek / TT Electronics	Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	Non-Stocked	$39.613 View Quote	Min.: 240 Mult.: 240
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHS3175U Optek / TT Electronics 1.000: $4.819 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 Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.819	Min.: 1.000 Mult.: 1.000
Infrared Emitters 890NM 100mW 100mA OP224TXV Optek / TT Electronics 100: $37.904 Non-Stocked Lead-Time 34 Weeks	Mfr. Part # OP224TXV Mouser Part # 828-OP224TXV	Optek / TT Electronics	Infrared Emitters 890NM 100mW 100mA Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	Non-Stocked Lead-Time 34 Weeks	$37.904	Min.: 100 Mult.: 100

High Reliability Sensors

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High Reliability Sensors

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