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00Thermal Engineering Services

Thermal Modeling, Characterization and Reliability Services

Move from thermal assumptions to measured, simulation-ready evidence. Electro Source provides thermal model development, semiconductor thermal characterization, thermal interface material testing, and accelerated power semiconductor reliability testing — from early design through validation and qualification.

From IC packages and thermal interfaces to complete products, electronics systems and power semiconductor assemblies.

Filter by service, capability, technology, or keyword.

4 services shown
Service · 01

Thermal Modeling & Design Analysis

Develop high-fidelity thermal models, identify thermal bottlenecks, and optimize product designs before physical prototypes are built.

  • Digital twins
  • CFD simulation
  • Thermal optimization
  • Design exploration
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Service · 02

Semiconductor Structure Function Testing

Use non-destructive thermal transient testing to reveal internal heat-flow paths, thermal interfaces, and potential semiconductor failure points.

  • Structure functions
  • Thermal transient testing
  • Junction-to-ambient
  • Model calibration
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Service · 03

Thermal Interface Material Characterization

Measure the thermal conductivity and performance of greases, pastes, gap pads, fillers, phase-change materials, metals, and solid interfaces.

  • TIM testing
  • Thermal conductivity
  • Material comparison
  • CFD input data
  • DynTIM
  • ASTM D5470
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Service · 04

Power Semiconductor Reliability Testing

Use accelerated power cycling and real-time thermal monitoring to detect degradation, predict lifetime, and improve power semiconductor reliability.

  • Power cycling
  • Lifetime prediction
  • Degradation monitoring
  • Failure analysis
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Service · 01

Thermal Modeling & Design Analysis

Deliver reliable, high-performance products through predictive thermal design and shift thermal validation earlier in the product-development process.

Electronics thermal simulation showing airflow vectors and temperature contours across a populated PCB assembly.
Enabled by
Simcenter Flotherm, FLOEFD and HEEDS

Our thermal model development and analysis services combine high-fidelity digital twins, computational fluid dynamics, electronics cooling simulation, design-space exploration, and thermal optimization. We help engineering teams identify thermal bottlenecks before prototyping, balance thermal performance with mechanical and packaging constraints, and improve product reliability, performance, lifetime, cost, and manufacturability.

Select a service capability to view what is included

  • Create high-fidelity thermal digital twins of products, components, electronics assemblies, and complete systems.
  • Model thermal behavior from the integrated circuit and IC package level through full-system and rack-level assemblies.
  • Represent heat sources, materials, thermal interfaces, cooling components, airflow paths, enclosures, printed circuit boards, and electronics packaging.
  • Enable early thermal design validation before physical prototypes are built.
  • Use simulation to evaluate design decisions earlier, when changes are faster and less expensive to implement.

Service · 02

Semiconductor Structure Function Testing

Gain deeper insight into semiconductor thermal performance through detailed, non-destructive thermal transient and structure function testing.

Semiconductor package cross-section illustrating the thermal stack-up from die and die attach through package and thermal interface.
Enabled by
Simcenter Micred T3Ster, Flotherm and FLOEFD

Our semiconductor component structure function testing reveals the thermal path from the semiconductor junction to ambient. The results help engineering teams identify thermal interfaces, detect thermal bottlenecks, find potential failure points, calibrate thermal simulation models, and improve device reliability without destructive teardown.

Select a service capability to view what is included

  • Measure semiconductor thermal performance using detailed, non-destructive thermal transient testing.
  • Generate structure function data that reveals the true thermal stack-up from junction to ambient.
  • Characterize the internal thermal path through the die, die attach, package, thermal interface materials, heatsink, cooling structure, and surrounding environment.
  • Evaluate thermal resistance and thermal capacitance throughout the heat-flow path.
  • Gain insight into semiconductor package behavior without destroying the test device.

Service · 03

Thermal Interface Material Characterization

Obtain accurate thermal interface material data for simulation, supplier comparison, material selection, and product-reliability decisions.

Thermal interface material under test between two polished contact surfaces, representing bond-line thermal conductivity measurement.
Enabled by
Thermal interface material test and characterization systems, supported by DynTIM dynamic TIM tester, and Flotherm / FLOEFD simulation workflows

Our thermal interface material characterization services measure thermal conductivity and interface performance across greases, pastes, gap pads, gap fillers, phase-change materials, metals, and solid interfaces. Validated material data helps engineering teams compare suppliers, improve CFD model accuracy, reduce contact-resistance uncertainty, and select materials based on evidence rather than datasheet assumptions.

Select a service capability to view what is included

  • Perform high-precision measurement of thermal interface material thermal conductivity.
  • Characterize Type 1 thermal interface materials, including thermal greases and pastes.
  • Characterize Type 2 thermal interface materials, including gap pads, gap fillers, and phase-change materials.
  • Characterize Type 3 thermal interfaces, including metals and solid interfaces.
  • Measure material performance across relevant bond-line thicknesses and operating conditions.
  • Generate reliable data for electronics cooling, semiconductor packaging, power electronics, and thermal management applications.

Explore DynTIM Testing
Service · 04

Power Semiconductor Reliability Testing

Validate power semiconductor reliability and accelerate time to market through non-destructive accelerated power cycling and real-time thermal degradation monitoring.

Power semiconductor module on an accelerated power cycling test fixture with instrumented thermal monitoring.
Enabled by
Simcenter Micred Power Tester and T3Ster structure function analysis

Our power semiconductor accelerated failure analysis and reliability testing services reproduce real-world operating stress, perform millions of power cycles, monitor thermal resistance degradation, identify failure mechanisms, and support component lifetime prediction. This provides engineering teams with earlier evidence of power device, package, die-attach, interconnect, and thermal-interface reliability.

Select a service capability to view what is included

  • Perform accelerated power cycling for power semiconductor lifetime validation.
  • Conduct millions of power cycles during a test.
  • Test at power levels of up to 1,800 W.
  • Replicate realistic electrical and thermal stress conditions before production.
  • Evaluate power semiconductor behavior under repeated heating and cooling cycles.
  • Test power modules, discrete power devices, packages, die-attach layers, interconnects, and thermal interfaces where applicable.

Enabling Technology

Technology Supporting Our Thermal Services

Our engineering services combine predictive simulation, measured thermal characterization, automated design exploration, and accelerated reliability testing.

  • Simcenter Flotherm
    Electronics thermal design and analysis
  • FLOEFD
    CAD-embedded computational fluid dynamics
  • Simcenter Micred T3Ster
    Thermal transient and structure function testing
  • Simcenter Micred Power Tester
    Accelerated power cycling and reliability testing
  • Simcenter HEEDS
    Automated design-space exploration and optimization
Talk to an Engineer

Build Thermal Confidence Before Production

Talk with our thermal engineering team about your design, characterization, material-testing, or reliability-validation requirements.