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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 (PEN) 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: S/19.62 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	S/19.62	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N24A Optek / TT Electronics 1: S/162.28 150In 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	150In Stock	S/162.28 S/162.20 S/162.12 View Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N49 Optek / TT Electronics 1: S/182.95 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	S/182.95 S/177.50 S/160.64 Quote Quote	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN/PNP Transistor 6 Pin 2N4854U Optek / TT Electronics 1: S/152.24 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	S/152.24	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N23 Optek / TT Electronics 1: S/139.35 227In 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	227In Stock	S/139.35 S/134.56 S/134.52 View Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OH360U Optek / TT Electronics 1: S/27.40 450In 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	450In Stock	S/27.40	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHN3140U Optek / TT Electronics 1: S/42.31 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	S/42.31 S/42.27 S/41.73 S/21.41	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHS3020U Optek / TT Electronics 1: S/32.31 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	S/32.31	Min.: 1 Mult.: 1
Transistor Output Optocouplers Isolator 3N244 Optek / TT Electronics 1: S/82.05 3In Stock	Mfr. Part # 3N244 Mouser Part # 828-3N244	Optek / TT Electronics	Transistor Output Optocouplers Isolator Learn More about Optek / TT Electronics optek high reliability sensors	Datasheet	3In Stock	S/82.05	Min.: 1 Mult.: 1
Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78 JANTX4N24A Optek / TT Electronics 1: S/168.86 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	S/168.86	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 4N49U Optek / TT Electronics 1: S/143.44 1,679In 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	1,679In Stock	S/143.44	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN G.P. TRANSISTOR 2N2222AUB Optek / TT Electronics 1: S/129.15 120In 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	120In Stock 990On Order On Order Ship Dates Mfr. #: 2N2222AUB Stock: 120 Can Ship Immediately On Order: 30 Expected 2/16/2027 360 Expected 3/31/2027 600 Expected 5/14/2027 Factory Lead-Time: 35 Weeks	S/129.15	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHB900 Optek / TT Electronics 1: S/45.19 707In Stock 500Expected 10/5/2026	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	707In Stock 500Expected 10/5/2026	S/45.19 S/43.83 S/42.43 S/42.31 Quote Quote	Min.: 1 Mult.: 1
Bipolar Transistors - BJT PNP G.P. Transistor 3 Pin 2N2907AUB Optek / TT Electronics 1: S/129.15 210In 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	210In Stock	S/129.15	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupled Isolator 3C92C Optek / TT Electronics 1: S/80.93 123In Stock	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	123In Stock	S/80.93 S/79.60	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OMH3075 Optek / TT Electronics 1: S/151.85 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	S/151.85 S/151.73 Quote Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHN3040U Optek / TT Electronics 1: S/18.33 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	S/18.33 S/16.93 S/16.66 S/16.62	Min.: 1 Mult.: 1
Transistor Output Optocouplers TO-78 OCI JAN4N49 Optek / TT Electronics 1: S/181.66 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	S/181.66 S/176.60	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OH090U Optek / TT Electronics 1: S/23.00 926Expected 10/29/2026	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	926Expected 10/29/2026	S/23.00 S/22.11 S/21.72 S/21.56 View S/21.53 S/20.32 Quote	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors HALL EFFECT SENSOR OHS3140U Optek / TT Electronics 1: S/22.54 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	S/22.54	Min.: 1 Mult.: 1
Bipolar Transistors - BJT NPN G.P. Transistor 4 Pin 2N2222AUA Optek / TT Electronics 1: S/129.15 240Expected 4/13/2027	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 4/13/2027	S/129.15	Min.: 1 Mult.: 1
Transistor Output Optocouplers TO-78 OCI Collector Isolated JANTX4N49A Optek / TT Electronics 1: S/178.24 200Expected 10/6/2026	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	200Expected 10/6/2026	S/178.24	Min.: 1 Mult.: 1
Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG HCC242TX Optek / TT Electronics 240: S/135.34 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	S/135.34 View Quote	Min.: 240 Mult.: 240
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OH180U Optek / TT Electronics 1,000: S/27.40 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	S/27.40	Min.: 1,000 Mult.: 1,000
Board Mount Hall Effect / Magnetic Sensors Hall Effect Sensor OHS3175U Optek / TT Electronics 1,000: S/16.47 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	S/16.47	Min.: 1,000 Mult.: 1,000

High Reliability Sensors

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High Reliability Sensors

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