Panasonic GraphiteTIM compressible graphite interface

Panasonic Industry · Material properties and interface engineering

Purpose: TIM aging comparisons need controlled contact pressure and thickness, with thermal resistance tracked after cycling.
Technical approach: Compressible GraphiteTIM conforms between power devices and heat sinks under pressure.
Scope of use: Power modules accepting sheet interfaces need suitable surfaces, pressure, compressed thickness and insulation design.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
Thermal resistance depends on sheet/contact conditions; the published cycling example is not mission-life qualification. Graphite conducts electricity; do not assume insulation.
What to prepare
BLNKK suggests preparing contact geometry/flatness, clamping pressure, thickness, power/temperature histories and pre-/post-cycle thermal resistance.
Confirm with the supplier
Confirm grade/current specifications, compressed contact, allowable pressure, insulation/cutting and assembly-specific aging validation.
Public evidence: Panasonic documents pressure-dependent contact and a cycling comparison; catalog characteristics are typical, not guaranteed.

Supporting references

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