Cross Ref Part

Mission-Critical Optoelectronics. Aerospace & Defence.

Qualified optoelectronic sensing and isolation solutions engineered to reduce programme risk, accelerate qualification and support long-life mission-critical platforms.

Speak with an Engineer Search Optoelectronics

Reduce Programme Risk Before Qualification Begins

Selecting optoelectronic components for aerospace and defence programmes extends well beyond electrical performance. Engineers must evaluate environmental capability, qualification evidence, traceability and long-term manufacturing support before committing a design to production. TT Electronics helps reduce risk in each of these critical areas.


Environmental Survivability

Environmental Survivability

Optoelectronic components engineered to withstand vibration, mechanical shock, thermal cycling, radiation exposure and extended operating temperatures found in demanding aerospace and defence environments.

Qualification & Screening

Qualification & Screening

Available screening options, qualification documentation and testing support help simplify component evaluation for mission-critical programmes.

Traceability & Configuration Control

Traceability & Configuration Control

Controlled manufacturing processes and supporting documentation simplify qualification while helping maintain configuration consistency throughout programme lifecycles.

Long-Term Programme Support

Long-Term Programme Support

Engineering support, manufacturing continuity and long-term product availability help minimise redesign and sustain critical programmes for years to come.

Engineering Confidence Throughout the Programme Lifecycle

checkmark

High-Reliability-Technologies:
Optocouplers, Hall-effect sensors, infrared emitters and photodetectors engineered for reliable operation in demanding aerospace applications.

checkmark

Custom-Mechanical Solutions:
Package modifications, lead forming, screening options and custom assemblies help optimise integration into complex aerospace systems.

checkmark

Qualification Support:
Qualification documentation and screening options supporting military and aerospace requirements help streamline programme evaluation.

checkmark

Long-Term Manufacturing Support:
Controlled manufacturing processes and engineering support reduce lifecycle risk for programmes expected to remain in service for decades.

Tailored Solutions for High-Reliability Programmes

Spacecraft, Satellites & Planetary Exploration

Spacecraft, Satellites & Planetary Exploration

Engineering Challenges

Reliable position sensing, galvanic isolation and optical feedback capable of operating under radiation exposure, launch vibration, vacuum conditions and prolonged thermal cycling. Components must deliver predictable performance throughout long mission lifecycles while supporting stringent qualification requirements.

Our Solutions

  • Radiation-capable optoisolators for isolated power conversion and control systems
  • Hall-effect sensors for actuator position and deployment mechanism feedback
  • Hermetic infrared emitters and photodetectors for precision optical sensing

Military Aircraft & Avionics

Military Aircraft & Avionics

Engineering Challenges

Reliable sensing and electrical isolation for flight-critical systems exposed to vibration, shock, EMI, wide operating temperatures and long service lives. Components must support high reliability while minimising maintenance and lifecycle risk.

Our Solutions

  • Optical interrupters for landing gear, flight control and actuator position sensing
  • Hall-effect sensors for non-contact position, speed and rotational feedback
  • High-reliability optoisolators for isolated control and power electronics

Guided Vehicles, Missiles & Uncrewed Systems

Guided Vehicles, Missiles & Uncrewed Systems

Engineering Challenges

Compact sensing technologies capable of maintaining accurate position and motion feedback while surviving extreme acceleration, vibration, rapid temperature changes and harsh operating environments.

Our Solutions

  • Hall-effect sensors for electromechanical actuator and fin position feedback
  • Optoisolators for guidance, navigation and control electronics
  • Infrared emitter and detector pairs for end-of-travel, position and mechanism verification

Ground, Naval & Defence Electronics

Ground, Naval & Defence Electronics

Engineering Challenges

Reliable sensing and electrical isolation for mission-critical electronic systems operating in harsh environmental conditions, including moisture, vibration, contamination and electromagnetic interference, while supporting long operational lifecycles.

Our Solutions

  • Optical interrupters for equipment interlocks, object detection and position sensing
  • Hall-effect sensors for rugged motion control and rotary position feedback
  • Hermetic optoelectronic assemblies for high-reliability military electronics

Launch Vehicles & Space Power Systems

Launch Vehicles & Space Power Systems

Engineering Challenges

Reliable sensing and galvanic isolation for propulsion, power distribution and deployment mechanisms operating under extreme vibration, acceleration, thermal stress and radiation during launch and mission operations.

Our Solutions

  • Radiation-capable optoisolators for isolated power conversion and control circuits
  • Hall-effect sensors for motors, valves, actuators and deployment systems
  • Custom optoelectronic assemblies for high-reliability space and launch applications

Your Streamlined Path to a Successful Flight Qualification

Review Qualification Documentation

Review Qualification Documentation

Access datasheets, qualification reports and screening information to support informed component selection.

Optimise Your Design

Optimise Your Design

Work directly with our application engineers to identify the right solution for your programme requirements.

Qualify for Production

Qualify for Production

Move from prototype to production with trusted components backed by long-term engineering and manufacturing support.

Speak with an Engineer
Specialist Engineering Expertise You Can Trust

Specialist Engineering Expertise You Can Trust

We know that when you are designing flight controls, satellite power systems, or spacecraft mechanisms, you cannot afford to guess. You need components that provide predictable performance and integrate reliably into tightly controlled, safety-critical systems.

At TT Electronics, we combine decades of deep optoelectronics expertise with in-house military screening, hermetic packaging, and environmental testing. As a trusted partner to premier aerospace and defence programs—with proven components deployed from military avionics to NASA's Mars Rovers—we provide the ultimate design-in infrastructure to ensure your mission succeeds on schedule.

Featured Products

OMH3075S Hallogic® Hall-Effect Sensor

  • Target Application: Non-contact position, speed, and actuator feedback in satellite mechanisms and flight controls.
  • Engineering Advantage: Engineered for stable operation across an extreme −55°C to +150°C temperature envelope.
  • Design Accuracy: Fully supported with MIL-STD-883 Class B and S screening options to eliminate qualification risk.

Access Datasheets

HCC1001 Radiation-Capable Optoisolator

  • Target Application: Galvanic isolation and closed-loop analogue feedback in spacecraft power conversion electronics.
  • Engineering Advantage: Built with a massive 100 krad(Si) Total Ionising Dose (TID) radiation capability and 1 kVDC electrical isolation.
  • Design Accuracy: Packaged in a compact, hermetically sealed surface-mount container to save critical PCB real estate.

Access Datasheets

JANTX4N49U High-Reliability Optoisolator

  • Target Application: Power supply feedback, signal isolation, and noisy control interfaces in military avionics.
  • Engineering Advantage: Fully qualified to MIL-PRF-19500 processing requirements for flawless tracking in defense applications.
  • Design Accuracy: Features a rugged, hermetic ceramic package with a reliable phototransistor output.

Access Datasheets

OP224S High-Reliability Infrared Emitter

  • Target Application: Power supply feedback, signal isolation, and noisy control interfaces in military avionics.
  • Engineering Advantage: Fully qualified to MIL-PRF-19500 processing requirements for flawless tracking in defense applications.
  • Design Accuracy: Features a rugged, hermetic ceramic package with a reliable phototransistor output.

Access Datasheets

OP604S High-Reliability Phototransistor

  • Target Application: Pair with hermetic infrared emitters for object detection, equipment interlocks, and presence sensing.
  • Engineering Advantage: Features a highly stable 50 V collector-emitter rating inside a rugged pill package configuration.
  • Design Accuracy: Minimises electrical noise while offering the safety-critical reassurance of full S-level screening.

Access Datasheets

Fully Screened, Scalable Sensing and Isolation Technologies

When standard commercial parts fail to meet your mechanical or environmental qualification boundaries, our broader portfolio offers the rugged customisation your architecture demands.


Fully Screened, Scalable Sensing and Isolation Technologies

Fully Screened, Scalable Sensing and Isolation Technologies

Magnetic Sensing Assemblies: Rugged non-contact Hall-effect sensors engineered for continuous speed, commutation, and status feedback in harsh motors, fans, and actuators.

Optocouplers & Optoisolators: Comprehensive signal isolation and circuit protection solutions, combining high isolation voltages with radiation-tolerant or military-screened processing.

Discrete Infrared Components: Hermetically sealed infrared LEDs, phototransistors, and photodiodes in compact pill packages, built to resist moisture and atmospheric outgassing.

Custom Customisation Capabilities: Fully tailored microelectronic assemblies, chip-and-wire packages, and application-specific screening pathways (TX, TXV, B, S, and ESA-level processing).