TPC-N-PI

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TPC-N-PI Poyimid Film Phase Change beschichtet

TPC-N-PI is a thermally conductive film with an electrically insulator made of Devinall TH Polyimide which is coated with a thermally conductive phase changing compound on both sides thus optimising the thermal path e.g. between electronic packages and heat sinks. During warm-up the phase change coating starts filling up surface-specific roughnesses and unevenesses and expels any air enclosures from micro structures even at low pressure. The wettening of the contact areas is further on improved by volumetric material expansion of approximately 10 to 15% at increasing temperature. Thus the total thermal resistance is minimised. The material is characterised by its very high dielectric properties.




PROPERTIES

  • Optimal thermal contact
  • High dielectric strength
  • Silicone-free
  • No dry up, pump-out migration
  • No run-out through thixotropic properties
  • Process reliable coating thickness
  • Ideal replacement of messy thermal grease

AVAILABILITY

  • Sheet 305 x 495 / 610 x 495 mm
  • Roll 495 mm x 152 m
  • Non tacky (TPC-NXXX-PI)
  • Tacky on one side with PSA
    (TPC-NXXX-PI-A1)
  • With adhesive strips on request
  • Thicker phase coating (25 μm)
  • Die cut parts
  • Kiss cut parts

APPLICATION EXAMPLES

Thermal link of:

  • MOSFETs or IGBTs
  • Diodes
  • A.C. converter
  • Uninsulated power modules

For use in Automotive motor control units / Power supplies / Traction drives / Telecom appliances

OVERVIEW

PropertiesUnitTPC-N051-PITPC-N077-PITPC-N102-PI
MaterialDevinall TH Polyimide film with phase change coating on both sidesDevinall TH Polyimide film with phase change coating on both sidesDevinall TH Polyimide film with phase change coating on both sides
ColourLight orangeLight orangeLight orange
Thikness Devinall THμm25+0,06 / -0,0551+0,09 / -0,0776+0,11 / -0,09
Thickness Phase Change (per side)μm131313
Total Thicknessμm5177102
Tensile Strengthpsi136136136
UL Flammability Devinall TH (Equivalent)UL 94V0V0V0
RoHS Conformity2015 / 863 / EUYesYesYes
Thermal
Resistances1 @ 150 PSI°C-inch²/W0.1260.2150.311
Resistances1 @ 30 PSI°C-inch²/W0.1300.2200.315
Resistance2 @ 10 PSI @ Thickness°C-inch²/W0.1430.2370.332
Thermal Conductivity Devinall THW/mK0.360.360.36
Phase Change Temperature°Cca. 60ca. 60ca. 60
Electric
Breakdown VoltagekV AC5.49.013.5
Volume ResistivityOhm - cm1.0 x 1016 1.0 x 1016 1.0 x 1016
Dielectric Constant@ 25 °C4.04.04.0