Thermal Pads

Thermal pads or thermal gap pads are materials that provide a thermal interface between heatsinks (devices or substances for absorbing unwanted or excess heat) and electronic devices. A thermal pad is particularly useful where air gaps, rough surface textures or uneven surface topography prevent the use of traditional grease or paste. Pads are often self adhesive and  less messy and easier to install than thermal paste.

RS Components have an extensive range of products designed for the heating or cooling of electronic devices to help maintain the right temperature in order to work effectively.

How do thermal pads work?

By keeping the internal components of electronic products from wear and tear resulting from high circuit board temperatures, thermal pads help to provide extended longevity. They are also important in providing safety by eliminating the possibility of electrical fires. Thermal pads become soft at high temperatures which means they can fill imperfections in the surface for better conduction qualities and to minimise potential damage to components. They are manufactured in a variety of standard thicknesses and dimensions but can also be custom fabricated to fit various applications.,/p>

Typical Applications

Thermal pads and thermal paste both work in the same way by transferring heat from hot areas of a circuit board into a heatsink. They are often used on the following to provide better heat transfer.

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

Does thermal pad thickness matter?

A greater thickness allows the pad to absorb more deformations in the heatsink surface . However a thicker thermal pad is worse in regarding to heat transfer.

Can you reuse thermal pads?

Unlike thermal paste, thermal pads can be reused so long as the pad is clean and has not been moved, touched, damaged or stretched.


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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. 712-3923
Mfr. Part No.EYGA121807A
BrandPanasonic
SGD40.97
Each
units
180 x 115mm 0.07mm 180mm 115mm - 1000W/m·K Graphite Yes - - - - - -
RS Stock No. 812-7995
Mfr. Part No.EYG-S091210DP
BrandPanasonic
SGD24.87
Each
units
115 x 90mm 0.1mm 115mm 90mm - 700W/m·K Graphite - - +400°C - - - Maximum of +400 (Withstand) °C
RS Stock No. 712-3958
Mfr. Part No.EYGA091207M
BrandPanasonic
SGD31.92
Each
units
115 x 90mm 0.07mm 115mm 90mm - 1000W/m·K Graphite Yes - - - - - -
RS Stock No. 712-3986
Mfr. Part No.EYGS091203
BrandPanasonic
SGD35.02
Each
units
115 x 90mm 0.025mm 115mm 90mm - 1600W/m·K Graphite - - - - - - -
RS Stock No. 812-7982
Mfr. Part No.EYG-S091203DP
BrandPanasonic
SGD34.56
Each
units
115 x 90mm 0.025mm 115mm 90mm - 1600W/m·K Graphite - - +400°C - - - Maximum of +400 (Withstand) °C
RS Stock No. 812-7992
Mfr. Part No.EYG-S182310DP
BrandPanasonic
SGD122.76
Each
units
230 x 180mm 0.1mm 230mm 180mm - 700W/m·K Graphite - - +400°C - - - Maximum of +400 (Withstand) °C
RS Stock No. 712-3977
Mfr. Part No.EYGS121803
BrandPanasonic
SGD21.93
Each
units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite - - - - - - -
RS Stock No. 712-3911
Mfr. Part No.EYGS091207DP
BrandPanasonic
SGD16.97
Each
units
115 x 90mm 0.07mm 115mm 90mm - 1000W/m·K Graphite - - - - - - -
RS Stock No. 712-3999
Mfr. Part No.EYGA091203PM
BrandPanasonic
SGD36.52
Each
units
115 x 90mm 0.025mm 115mm 90mm - 1600W/m·K Graphite Yes - - - - - -
RS Stock No. 712-3983
Mfr. Part No.EYGA121803A
BrandPanasonic
SGD37.58
Each
units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite Yes - - - - - -
RS Stock No. 712-3914
Mfr. Part No.EYGS121807
BrandPanasonic
SGD27.87
Each
units
180 x 115mm 0.07mm 180mm 115mm - 1000W/m·K Graphite - - - - - - -
RS Stock No. 135-9648
Mfr. Part No.EYGS0912ZLGD
BrandPanasonic
SGD22.63
Each
units
120 x 88mm 0.2mm 120mm 88mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 135-9698
Mfr. Part No.EYGS0613ZLSE
BrandPanasonic
SGD20.60
Each
units
127.5 x 61mm 0.2mm 127.5mm 61mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 135-9696
Mfr. Part No.EYGS0713ZLAG
BrandPanasonic
SGD26.20
Each
units
126 x 66mm 0.2mm 126mm 66mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 135-9324
Mfr. Part No.EYGS1313ZLGB
BrandPanasonic
SGD49.01
Each (In a Bag of 10)
units
128 x 128mm 0.2mm 128mm 128mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 712-3995
Mfr. Part No.EYGA121803PA
BrandPanasonic
SGD53.40
Each
units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite Yes - - - - - -
RS Stock No. 135-9703
Mfr. Part No.EYGS0813ZLMD
BrandPanasonic
SGD45.71
Each
units
123 x 71mm 0.2mm 123mm 71mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 135-9687
Mfr. Part No.EYGS0411ZLWJ
BrandPanasonic
SGD13.21
Each
units
105.5 x 43mm 0.2mm 105.5mm 43mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C
RS Stock No. 712-4030
Mfr. Part No.EYGA121803KV
BrandPanasonic
SGD110.33
Each
units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite Yes - - - - - -
RS Stock No. 135-9680
Mfr. Part No.EYGS0509ZLMH
BrandPanasonic
SGD13.07
Each
units
86 x 51mm 0.2mm 86mm 51mm - 400W/m·K Graphite - -55°C +400°C - - - -55 → +400 °C