Thermal interface pads provide low thermal resistance

3 October 2007 Circuit & System Protection

MH&W International now supplies Keratherm 86/82, a high tensile strength, thermal interface material (TIM) that improves heat transfer from ICs and other components to their heatsinks, and provides durability for installation and long-term use.

Keratherm 86/82 is a thermally conductive, electrically isolating silicone film with a reinforcing fibreglass layer for tear and cut-through resistance. The silicone provides excellent wetting properties for filling interface surfaces. Thermal impedance is 0,05 W/mK, and thermal conductivity is 6,5 W/m-K. With its fibreglass layer, 86/82 has a tensile strength of 20 N/mm². The material meets UL 94V-0 flame class requirements, and its continuous use temperature range is -40°C to

+200°C.

Keratherm 86/82 TIMs are available in kiss-cut shapes on continuous rolls for easy peel-and-place installation. The fibreglass layer allows safe, easy removal and reapplication of 86/82 pads, and adds durability for long-term performance. Pads of 86/82 are inherently tacky and will stick to heatsinks during assembly. An optional adhesive coating allows permanent attachment.

Keratherm 86/82 pads are available in a wide range of standard or custom configurations. Standard material thickness is 0,250 mm, and pads are also available in 0,300, 0,400 and 0,500 mm thicknesses.

For more information visit www.mhw-thermal.com

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