TEL-YSS-SI

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TEL-YSS-SI is a non dielectric high performance thermally conductive silicone foil for an optimised thermal coupling between electronic packages and heat sinks even over large gaps or big tolerances. Through the specific formulation and filling an extraordinary high anisotropic thermal conductivity is reached. Its conformal surface structure and extraordinary softness guarantee a very good compliance to the contact surfaces at low pressure. Thus the total thermal resistance is minimised.




PROPERTIES

  • High surface compliance and extraordinary softness
  • Non dielectric
  • Thermal conductivity: 16 W/mK (anisotropic)
  • Extraordinary chemical resistance and longterm stability
  • Shock absorbing

AVAILABILITY

  • Sheet 130 x 130 mm
    (TEL-YSSXXXX-SI)
  • Die cut parts
  • Optional with adhesive stripes or dots
    (TEL-YSSXXXX-SI-A1)

APPLICATION EXAMPLES

Thermal link of:

  • MOSFETs or IGBTs
  • Power diodes or AC/DC converters
  • Power modules

For use in Switch mode power supplies / Motor control units / Automotive engine management systems / UPS units / Solar systems

OVERVIEW

PropertiesUnitTEL-YSS0500-SITEL-YSS1000-SITEL-YSS2000-SI
MaterialGraphite filled silicone elastomereGraphite filled silicone elastomereGraphite filled silicone elastomere
ColourBlackBlackBlack
Thicknessmm0.51.02.0
HardnessShore 00404040
UL FlammabilityUL 94V0V0V0
RoHS Conformity2011 / 65 / EUYesYesYes
Thermal
Resistance1 @ 7 PSI @ Thickness°C-inch²/W (mm)0.083 (0.42)0.124 (0.700)0.180 (0.954)
Resistance1 @ 3.5 PSI @ Thickness°C-inch²/W (mm)0.089 (0.45)0.129 (0.785)0.205 (1.550)
Resistance1 @ 1.5 PSI @ Thickness°C-inch²/W (mm)0.100 (0.47)0.137 (0.934)0.220 (1.874)
Thermal Conductivity1W/mK161616
Operating Temperature Range°C- 50 to + 180 - 50 to + 180 - 50 to + 180
Electric
Volume ResistivityOhm - cm< 50,000< 50,000< 50,000