T69-40 Graphite Sheets

Product code: T69-40
Manufacturer: t-Global
Package size: 200mmx200mmx0.04mm
Shelf Life: 36 months

T69-40 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. T69-40 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		T69-40	Unit	Tolerance	Test Method
Thickness		40um	mm	–	Micrometer
Thickness		0.040	mm	±0.012	Micrometer
Thermal Conductivity	X-Y Direction	1350	W/mK	–	AC calorimeter
Thermal Conductivity	Z Direction	20	W/mK	–	Laser flash
Thermal diffusivity		9 – 10 (0.0009- 0.0010m²/s)	cm²/s	–	AC calorimeter
Density		1.8 (1800 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	25	Mpa	–	–
Extensional strength	Z Direction	0.4	Mpa	–	–
Expansion coefficient	X-Y Direction	9.3 x 10^-7	1/K	–	–
Expansion coefficient	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	–	–