Search Aavid Register or Sign Into News Over 50 years of engineering innovation 1964-2014 Interface Materials Insulators Aluminum Oxide Ceramic Insulating Covers Bushings Mica Thermalsil Beryllium Oxide Ceramic Hard Anodized Aluminum About Us Contact Us Global Manufacturing Shop Aavid Products Solutions Consumer Thermalsil III Knowledge Center Industries * PC * Gaming * Home Entertainment Cart Your Account Design Help TelecomCheck Distributor Stock *Enter Networking a part number for *pricing Communications and availability. go! RoHS Compliant Transportation Enterprise Computer Systems Thermally Conductive Silicone Rubber Insulators The newest Thermalsil III formula has*improved conductivity, providing excellent * Rail & Mass Transit Enterprisethermal Computing * Electric & Hybrid Vehicles thermal resistance. It is used as an electrically-isolating interface material composed of * High Performance Computing silicone elastomer binder with a thermally conductive filler. It is reinforced with glass cloth * Mining * Public Cloud Computing to resist tearing and cut-through due*toWork burrsStations on transistors or heat sinks. Other Thermalsil III eliminates the need for grease application and conforms to mounting * Medical LED Lighting surfaces under clamping pressure for optimum heat conduction. * Military/Aerospace * Residential/Consumer Thermalsil III is 0.152mm (0.006") thick* Commercial/Industrial and grey green in color. A finely woven glass cloth * Test Equipment provides the thinnest possible matrix for enhanced thermal resistance. To order Thermalsil III with adhesive coated backing, add suffix "AC" to the part number. For example, 53-03-2AC. Power * Renewables Thermalsil III is available in any configuration with adhesive backing. Order by adding "AC" * Smart Grids after the part number. For example: 53-03-2AC. Bulk Thermalsil III Thermalsil III is also available in three widths, with and without adhesive coated backing (AC). Thermalsil III is 0.152mm (0.006") thick. Part No.* RoHS PCN Width 5300 1.500G N/A 38.10mm (1.500") 5300AC 1.500G 38.10mm (1.500") 5300 2.875G N/A 76.20mm (3.000") 5300AC 2.875G N/A 76.20mm (3.000") 5300 6.000G N/A 152.40mm (6.000") 5300AC 6.000G N/A 152.40mm (6.000") *Available in full (328 ft.) length rolls only Thermalsil III Property Dielectric Constant Dielectric Breakdown Voltage Volume Resistivity Dielectric Dissipation Factor Thickness Color Tensile Strength Hardness, Shore A Elongation Typical Value 25C Electrical 2.5@50 Hz 2.5@103 Hz 2.5@106 Hz 26.3 x 103 volts/mm (667 volts/mil) ASTM D-149 5.7 x 1015 ohm-cm .008@50 Hz .004 @103 Hz .004 @106 Hz Physical Test Method ASTM D150 ASTM D149 ASTM D257 ASTM D150 .15 + .03/-.05mm (0.006 + .001/-.002 in.) Gray-Green 6.1 x 107 Pa (8786 psil) 87 2% or less Thermal Thermal Conductivity 0.92 w/m C Flame Resistance UL 94V-0 Service Temperature -60C to 180C (-76F to 356F) Standard Thermalsil Configurations UL card #E-58126 (S) Part Number RoHS PCN 53-03-2G A B C D 42.04 (1.655) 27.00 (1.063) 3.96 (0.156) 1.57 (0.062) 53-03-11G N/A 41.81 (1.646) 28.58 (1.125) 3.96 (0.156) 2.36 (0.093) 53-03-12G N/A 41.91 (1.650) 28.96 (1.140) 3.56 (0.140) 2.36 (0.093) 53-03-14G N/A 39.70 (1.563) 26.67 (1.050) 3.56 (0.140) 2.36 (0.093) 53-03-15G N/A 40.46 (1.593) 27.94 (1.100) 3.96 (0.140) 1.78 (0.070) 53-03-16G N/A 43.18 (1.700) 30.15 (1.187) 3.96 (0.156) 1.60 (0.063) Part Number A B C D E F G 53-02-95G 23.24 (0.915) 18.80 (0.740) 16.26 (0.640) 6.99 (0.275) 9.40 (0.370) 5.59 (0.220) 3.66 (0.144) 53-02103G** 23.80 (0.937) 19.05 (0.750) 16.66 (0.656) 7.14 (0.281) 9.53 (0.375) 53-78-3G* ** 25.40 (1.000) 20.32 (0.800) Part Number RoHS PCN 3.18 (0.125) A B C D 53-77-2G 17.50 (0.687) 14.27 (0.562) 5.54 (0.218) 3.18 (0.125) 53-77-3G 17.50 (0.687) 41.27 (0.562) 4.70 (0.185) 2.36 (0.093) 53-77-4G 19.05 (0.750) 12.70 (0.500) 4.75 (0.187) 3.73 (0.147) 53-77-5G N/A 20.32 (0.800) 15.24 (0.600) 5.54 (0.218) 2.79 (0.110) 53-77-9G N/A 18.42 (0.725) 13.21 (0.520) 4.32 (0.170) 2.92 (0.115) 53-77-10G N/A 20.96 (0.825) 22.99 (0.905) 5.33 (0.210) 3.68 (0.145) 53-77-11G N/A 26.16 (1.030) 13.21 (0.520) 3.81 (0.150) 3.30 (0.130) 53-77-13G N/A 18.03 (0.710) 12.70 (0.500) 4.06 (0.160) 3.58 (0.141) 53-78-1G* N/A 22.10 (0.870) 15.70 (0.620) Part Number A B 53-02-10G 14.27 (0.562) 5.16 (0.203) 53-02-25G 20.62 (0.812) 6.73 (0.266) * This insulator is made especially for clip-mount heat sinks, thus requiring no mounting hole. ** These insulators may also be used for TO-3P and TO-247 devices. 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