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T69-25 Graphite Sheets

  • Product code: T69-25
  • Manufacturer: t-Global
  • Package size: 200mmx200mmx0.025mm
  • Shelf Life: 36 months

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T69-25 is a high performing thermal interface material which is very thin, synthetically made from a highly oriented graphite polymer film and has excellent thermal properties in all axes. T69-25 is ideal for providing thermal management in some of the most demanding of applications.

FEATURES

  • Highly oriented pyrolytic graphite sheet with high thermal conductivity
  • It is flexible and has features of ultra-thin and high EMI shielding effect
  • Excellent thermal conductivity: 1600 W/mK (4 times as high as copper, 7 times as high as aluminium)
  • Light weight: Specific gravity: 2.3
  • Flexible and easy to be cut or trimmed
  • Low thermal resistance
  • Low moisture content: < 1%

APPLICATIONS

  • Electronic components: IC, CPU, MOS
  • LED, M/B, P/S, Heat Sink
  • LCD, TV, Notebook PC, PC Telecom Device, Wireless, etc.
  • DDR II Module, DVD Applications, Hand-set applications, etc.
Property  T69-25 Unit Tolerance Test Method
Thickness 25um mm – Micrometer
0.025 mm ±0.010 Micrometer
Thermal
Conductivity		 X-Y Direction 1500  W/mK – AC
calorimeter
Z Direction 18 W/mK – Laser flash
Thermal diffusivity 9 – 10
(0.0009-
0.0010m²/s		 cm²/s  – AC
calorimeter
Density 1.95
(1095 kg/
m³)		 g/cm³ – Archimedes
law
Specific heat (at 50ºC)  0.85
(850J/kgk)		 (J/gk) – –
Heat resistance 400 ºC – –
Extensional
strength		 X-Y Direction 30 Mpa – –
Z Direction 0.1 Mpa – –
Expansion
coefficient		 X-Y Direction 9.3 x 10-7 1/K – –
Z Direction 3.2 x 10-5 1/K – –
Bending test (R5/180ºC)  20000 or more Times – –
Electric conductivity 20000 S/cm – JISK7194
Operating Temperature  -50 to 200 ºC – –
Shelf Life 36 months – –

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