Thermal Pads

Thermal gap pads are materials that provide a thermal interface between heatsinks (devices or substances for absorbing unwanted or excess heat) and electronic devices. Theyre particularly useful where air gaps, rough surface textures or uneven surface topography prevent the use of traditional grease or paste.

How do thermal gap pads work?

By keeping the internal components of electronic products from wear and tear resulting from high circuit board temperatures, thermal gap pads help to provide extended longevity. Theyre also important in providing safety by eliminating the possibility of electrical fires. Thermal gap pads are soft and comfortable, which helps to provide vibration and shock damping to minimise potential damage to components. Theyre manufactured in a variety of standard thicknesses and dimensions but can also be custom fabricated to fit various applications.

What are thermal gap pads used for?

Typical applications of thermal gap pads include:

  • Flat panel displays
  • LED (light emitting diode) displays
  • Engine control units
  • Computer hard drives
  • Wireless communication hardware

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Description Price Dimensions Thickness Length Width Diameter Thermal Conductivity Material Self-Adhesive Minimum Operating Temperature Maximum Operating Temperature Hardness Material Trade Name Colour Operating Temperature Range
RS Stock No. 174-5714
BrandRS PRO
SGD24.87
Each
units
200 x 200 x 0.5mm 0.5mm 200mm 200mm - 3W/m·K Non-Silicone Yes -40°C +125°C 45 Shore OO - Grey -40 → +125 °C
RS Stock No. 707-4720
BrandRS PRO
SGD12.73
Each
units
150 x 150mm 0.45mm 150mm 150mm - 1.4W/m·K - - -40°C +200°C Shore A 80 - Yellow -40 → +200 °C
RS Stock No. 174-5705
BrandRS PRO
SGD108.53
Each
units
300 x 200 x 1.5mm 1.5mm 300mm 200mm - 4.5W/m·K Silicone Yes -60°C +200°C 60 Shore OO - Grey -60 → +200 °C
RS Stock No. 915-6054
BrandRS PRO
SGD64.43
Each
units
150 x 150mm 2mm 150mm 150mm - 4W/m·K Silicone - -55°C +200°C Shore OO 40 - Blue -55 → +200 °C
RS Stock No. 707-4663
BrandRS PRO
SGD32.58
Each
units
150 x 150mm 2mm 150mm 150mm - 3.2W/m·K - Yes -40°C +200°C Shore A 20 - Grey -40 → +200 °C
RS Stock No. 707-4752
BrandRS PRO
SGD77.09
Each
units
150 x 150mm 1.5mm 150mm 150mm - 4W/m·K Gel - -45°C +200°C Shore OO 40 - Blue -45 → +200 °C
RS Stock No. 722-6710
BrandRS PRO
SGD40.15
Each
units
150 x 150mm 1mm 150mm 150mm - 2W/m·K Non-Silicone - -40°C +105°C Shore OO 60 - Grey -40 → +105 °C
RS Stock No. 909-2086
BrandRS PRO
SGD44.51
Each
units
150 x 150mm 0.25mm 150mm 150mm - 2.5W/m·K - No -45°C +125°C - - Grey -45 → +125 °C
RS Stock No. 909-2045
BrandRS PRO
SGD1.418
Each (In a Pack of 10)
units
27 x 28mm 0.127mm 27mm 28mm - 2.5W/m·K - No -45°C +125°C - - Grey -45 → +125 °C
RS Stock No. 722-6723
BrandRS PRO
SGD63.84
Each
units
150 x 150mm 0.8mm 150mm 150mm - 4W/m·K Non-Silicone - -40°C +105°C Shore OO 80 - Red -40 → +105 °C
RS Stock No. 707-4718
BrandRS PRO
SGD14.18
Each
units
150 x 150mm 0.18mm 150mm 150mm - 1.4W/m·K - - -40°C +200°C Shore A 80 - Yellow -40 → +200 °C
RS Stock No. 915-6070
BrandRS PRO
SGD131.98
Each
units
150 x 150mm 1.5mm 150mm 150mm - 8W/m·K Silicone - -55°C +200°C Shore OO 60 - Grey -55 → +200 °C
RS Stock No. 174-5712
BrandRS PRO
SGD193.01
Each
units
300 x 200 x 2mm 2mm 300mm 200mm - 8W/m·K Silicone Yes -60°C +200°C 25 Shore OO - Grey -60 → +200 °C
RS Stock No. 707-4613
BrandRS PRO
SGD51.53
Each
units
150 x 150mm 2.5mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C
RS Stock No. 707-4761
BrandRS PRO
SGD78.41
Each
units
150 x 150mm 2mm 150mm 150mm - 4W/m·K Gel - -45°C +200°C Shore OO 40 - Blue -45 → +200 °C
RS Stock No. 707-4607
BrandRS PRO
SGD20.61
Each
units
150 x 150mm 1.2mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C
RS Stock No. 707-4755
BrandRS PRO
SGD46.50
Each
units
150 x 150mm 0.5mm 150mm 150mm - 4W/m·K Gel - -45°C +200°C Shore OO 40 - Blue -45 → +200 °C
RS Stock No. 174-5691
BrandRS PRO
SGD10.86
Each
units
300 x 200mm 0.5mm 300mm 200mm - 2W/m·K Silicone Yes -60°C +200°C Shore OO 50 - Grey -60 → +200 °C
RS Stock No. 707-4635
BrandRS PRO
SGD35.49
Each
units
150 x 150mm 1.5mm 150mm 150mm - 1.95W/m·K - Yes -40°C +200°C Shore A 5 - Yellow -40 → +200 °C
RS Stock No. 909-2055
BrandRS PRO
SGD5.55
Each (In a Pack of 10)
units
98 x 47.5mm 0.127mm 98mm 47.5mm - 2.5W/m·K - No -45°C +125°C - - Grey -45 → +125 °C