TFO-S-CB

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TFO-S-CB Grafit Folie

TFO-S-CB consists of more than 98% pure natural graphite. Due to the flake-like shape they show anisotropic thermal conductivities in-plane (x-y-plane) and in through direction (z-direction). Their softness allows for a good compliance to the contact surfaces. Thus the total thermal resistance is minimised. Their low densities compared to copper (15%) or aluminium (50%) make them ideal for applications where low weight is required. The very high temperature resistance allows for the use in extreme hot environments.




PROPERTIES

  • Maximum contact through good surface compliance
  • Very low weight
  • Silicone-free
  • Very high temperature resistance
  • EMI-shielding through high electrical conductivity

AVAILABILITY

  • Sheet 300 x 500 mm
  • Roll 300 mm x 50 m
  • Die cut parts
  • Non adhesive
    (TFO-SXXX-CB)
  • Adhesive on one side
    (TFO-SXXX-CB-A1)

APPLICATION EXAMPLES

Thermal link of:

  • CPUs to heat sinks
  • Power modules
  • Semiconductors
  • IGBTs

For use in Power inverters / Laptops / Automotive power supplies /Industrial PCs

OVERVIEW

PropertiesUnitTFO-S130-CBTFO-S250-CBTFO-S510-CB
MaterialNatural Graphite 98%Natural Graphite 98%Natural Graphite 98%
ColourGreyGreyGrey
Thicknessmm0,13±0,030,25±0,030,5±0,05
HardnessShore A858585
UL FlammabilityUL 94V0V0V0
RoHS Conformity2015 / 863 / EUYesYesYes
Thermal
Resistances1 @ 150 PSI°C-inch²/W0.060.100.16
Resistances1 @ 30 PSI°C-inch²/W0.090.160.26
Resistance2 @ 10 PSI @ Thickness°C-inch²/W0.120.240.40
Thermal Conductivity (Z Direction)W/mK888
Thermal Conductivity (X-Y Direction)W/mK140140140
Operating Temperature Range°C- 250 to + 400 - 250 to + 400 - 250 to + 400
Electric
Volume ResistivityOhm - cm11.0 x 10-411.0 x 10-411.0 x 10-4
Dielectric Constant@ 1 MHz< 0,001< 0,001< 0,001