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. They’re 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. They’re 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. They’re 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. 283-3638
Mfr. Part No.SP400-0.007-00-122
BrandBergquist
SGD0.632
Each (In a Pack of 50)
units
28.96 x 20.57mm 0.178mm 28.96mm 20.57mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS Stock No. 526-0730
Mfr. Part No.GP2000S40-0.020-02-00-200x100
BrandBergquist
SGD42.99
Each
units
200 x 100mm 0.02in 200mm 100mm - 2W/m·K Gap Pad 2000S40 Yes -60°C +200°C Shore OO 30 Gap Pad 2000S40 - -60 → +200 °C
RS Stock No. 794-3998
BrandRS PRO
SGD14.87
Each
units
150 x 150mm 0.8mm 150mm 150mm - 13W/m·K Graphite - -50°C +150°C Shore A 80 - Black -50 → +150 °C
RS Stock No. 468-2224
Mfr. Part No.SPK6-0.006-00-1212
BrandBergquist
SGD190.59
Each
units
12 x 12in 0.152mm 12in 12in - 1.1W/m·K Thin Film Polyimide - -60°C +180°C Shore A 90 Sil-Pad K6 - -60 → +180 °C
RS Stock No. 794-3985
BrandRS PRO
SGD16.81
Each
units
150 x 150mm 0.5mm 150mm 150mm - 10W/m·K Graphite Yes -50°C +150°C Shore A 80 - Black -50 → +150 °C
RS Stock No. 446-475
Mfr. Part No.U021041-26-U1
SGD20.83
Each
units
100 x 100mm 1mm 100mm 100mm - 6W/m·K Boron Nitride Filled Silicone Elastomer - -45°C +200°C Shore OO 70 - - -45 → +200 °C
RS Stock No. 707-3355
Mfr. Part No.SPK6-0.006-00-54
BrandBergquist
SGD0.706
Each (In a Pack of 10)
units
19.05 x 12.7mm 0.152mm 19.05mm 12.7mm - 1.1W/m·K Thin Film Polyimide - -60°C +180°C Shore A 90 Sil-Pad K6 - -60 → +180 °C
RS Stock No. 794-3973
BrandRS PRO
SGD17.13
Each
units
150 x 150mm 0.16mm 150mm 150mm - 10W/m·K Graphite Yes -50°C +150°C Shore A 80 - Black -50 → +150 °C
RS Stock No. 794-3991
BrandRS PRO
SGD16.81
Each
units
150 x 150mm 0.8mm 150mm 150mm - 10W/m·K Graphite Yes -50°C +150°C Shore A 80 - Black -50 → +150 °C
RS Stock No. 794-3982
BrandRS PRO
SGD14.87
Each
units
150 x 150mm 0.5mm 150mm 150mm - 13W/m·K Graphite - -50°C +150°C Shore A 80 - Black -50 → +150 °C
RS Stock No. 446-576
Mfr. Part No.U021041-20-U1
SGD16.41
Each
units
100 x 100mm 1mm 100mm 100mm - 3W/m·K Boron Nitride Filled Silicone Elastomer Yes -45°C +200°C Shore OO 25 - - -45 → +200 °C
RS Stock No. 712-3923
Mfr. Part No.EYGA121807A
BrandPanasonic
SGD52.09
Each
units
180 x 115mm 0.07mm 180mm 115mm - 1000W/m·K Graphite Yes - - - - - -
RS Stock No. 915-6082
BrandRS PRO
SGD18.64
Each
units
150 x 150mm 0.5mm 150mm 150mm - 2W/m·K Non-Silicone - -40°C +125°C Shore OO 30 - Pink -40 → +125 °C
RS Stock No. 752-4881
Mfr. Part No.HF650P-0.001-01-00-54
BrandBergquist
SGD1.454
Each (In a Bag of 50)
units
- 0.001in - - - 1.5W/m·K Hi-Flow 650P Yes -40°C +150°C - Hi-Flow 650P - -40 → +150 °C
RS Stock No. 915-6073
BrandRS PRO
SGD54.59
Each
units
150 x 150mm 0.5mm 150mm 150mm - 8W/m·K Silicone - -55°C +200°C Shore OO 60 - Grey -55 → +200 °C
RS Stock No. 446-493
Mfr. Part No.U021041-15-U1
SGD8.88
Each
units
100 x 100mm 2mm 100mm 100mm - 1.2W/m·K Ceramic Filled Silicone Rubber Yes -40°C +160°C Shore OO 27 - - -40 → +160 °C
RS Stock No. 468-2274
Mfr. Part No.GPVOUS-0.040-00-00-100X100
BrandBergquist
SGD41.47
Each
units
100 x 100mm 0.04in 100mm 100mm - 1W/m·K Gap Pad VO Ultra Soft - -60°C +200°C Shore OO 5 Gap Pad VO Ultra Soft - -60 → +200 °C
RS Stock No. 169-2183
Mfr. Part No.SP400-0.007-00-05
BrandBergquist
SGD0.568
Each (In a Pack of 50)
units
41.91 x 28.96mm 0.178mm 41.91mm 28.96mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS Stock No. 915-6058
BrandRS PRO
SGD31.89
Each
units
150 x 150mm 0.5mm 150mm 150mm - 6W/m·K Silicone - -55°C +200°C Shore OO 50 - Red -55 → +200 °C
RS Stock No. 491-4161
Mfr. Part No.GP3000S30-0.040-02-00-100X100
BrandBergquist
SGD52.20
Each
units
100 x 100mm 0.04in 100mm 100mm - 3W/m·K Gap Pad 3000S30 Yes -60°C +200°C Shore OO 30 Gap Pad 3000S30 - -60 → +200 °C
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