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.

Results: 13
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Number of Channels
Isolation Voltage
Output Type
Current Transfer Ratio
If - Forward Current
Vf - Forward Voltage
Maximum Collector Emitter Voltage
Maximum Collector Current
Maximum Collector Emitter Saturation Voltage
Rise Time
Fall Time
Vr - Reverse Voltage
Pd - Power Dissipation
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
170In Stock
Min.: 1
Mult.: 1
Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 200 % 1 mA 1.5 V 40 V 50 mA 300 mV 25 us 25 us 2 V 300 mW - 55 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
194In Stock
Min.: 1
Mult.: 1
Through Hole 1 Channel 1000 Vrms NPN Phototransistor 20 % 10 mA 1.3 V 35 V 50 mA 300 mV 20 us 20 us 2 V 300 mW - 65 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
181In Stock
Min.: 1
Mult.: 1
Through Hole TO-72-4 1 Channel 1000 Vrms NPN Phototransistor 0.3 % 10 mA 1.5 V 30 V 30 mA 400 mV 7 V 200 mW - 55 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
227In Stock
Min.: 1
Mult.: 1
Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 20 % 10 mA 1.3 V 35 V 50 mA 300 mV 15 us 15 us 2 V 300 mW - 65 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
1.807In Stock
Min.: 1
Mult.: 1
SMD/SMT LCC-6 1 Channel 1000 Vrms NPN Phototransistor 200 % 1 mA 1.5 V 40 V 10 mA 300 mV 20 us 20 us 2 V 300 mW - 55 C + 125 C Waffle
Optek / TT Electronics Transistor Output Optocouplers OPTIC CPLD ISOLATOR TO-78
Datasheet
178In Stock
Min.: 1
Mult.: 1

Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 40 % 10 mA 1.5 V 40 V 50 mA 300 mV 20 us 20 us 2 V 300 mW - 55 C + 125 C
Optek / TT Electronics Transistor Output Optocouplers Isolator
Datasheet
3In Stock
Min.: 1
Mult.: 1
Through Hole TO-72-4 1 Channel 1000 Vrms NPN Phototransistor 0.3 % 3 mA 1.3 V 30 V 30 mA 300 mV 10 us 10 us 2 V 200 mW - 55 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers TO-78 OCI
Datasheet
2In Stock
99Expected 7/30/2026
Min.: 1
Mult.: 1

Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 200 % 1 mA 1.5 V 40 V 50 mA 300 mV 20 us 20 us 2 V 300 mW - 55 C + 125 C
Optek / TT Electronics Transistor Output Optocouplers TO-78 OCI Collector Isolated
Datasheet
200Expected 7/5/2027
Min.: 1
Mult.: 1

Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 200 % 1 mA 1.5 V 40 V 50 mA 300 mV 20 us 20 us 2 V 300 mW - 55 C + 125 C
Optek / TT Electronics Transistor Output Optocouplers 4N24A, 4 PIN HCC PKG
Datasheet
Non-Stocked
Min.: 240
Mult.: 240

1 Channel 1000 Vrms NPN Phototransistor 40 mA 1.5 V 30 V 50 mA 300 mV 20 us 20 us 2 V 300 mW - 55 C + 125 C HCC24 Waffle
Optek / TT Electronics Transistor Output Optocouplers Isolator
Datasheet
Non-Stocked
Min.: 100
Mult.: 100
No
Through Hole TO-72-4 1 Channel 1000 Vrms NPN Phototransistor 0.15 % 3 mA 1.3 V 30 V 30 mA 300 mV 10 us 10 us 2 V 200 mW - 55 C + 125 C Bulk
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Datasheet
Non-Stocked Lead-Time 28 Weeks
Min.: 1
Mult.: 1

SMD/SMT LCC-6 1 Channel 1000 Vrms NPN Phototransistor Bulk
Optek / TT Electronics Transistor Output Optocouplers TO-78 OCI Collector Isolated
Datasheet
Non-Stocked Lead-Time 34 Weeks
Min.: 100
Mult.: 100

Through Hole TO-78-6 1 Channel 1000 Vrms NPN Phototransistor 25 % 10 mA 1.3 V 35 V 50 mA 300 mV 15 us 15 us 2 V 300 mW - 55 C + 125 C