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. 707-3355
Mfr. Part No.SPK6-0.006-00-54
BrandBergquist
HK$4.083
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. 491-4149
Mfr. Part No.GP2000S40-0.080-02-0816
BrandBergquist
HK$1,799.28
Each
units
8 x 16in 0.08in 8in 16in - 2W/m·K Gap Pad 2000S40 Yes -60°C +200°C Shore OO 30 Gap Pad 2000S40 - -60 → +200 °C
RS Stock No. 169-2341
Mfr. Part No.SP2000-0.015-00-054
BrandBergquist
HK$8.005
Each (In a Pack of 10)
units
19.05 x 12.7mm 0.015in 19.05mm 12.7mm - 3.5W/m·K Fibreglass - -60°C +200°C Shore A 90 Sil-Pad 2000 - -60 → +200 °C
RS Stock No. 169-2183
Mfr. Part No.SP400-0.007-00-05
BrandBergquist
HK$3.23
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. 122-5184
Mfr. Part No.ILA-TIM-LES09-2A
HK$26.198
Each (In a Pack of 4)
units
13.5 x 13.5mm - 13.5mm 13.5mm - - Graphite Yes - - - TIM Grey -
RS Stock No. 169-2357
Mfr. Part No.SP2000-0.015-00-05
BrandBergquist
HK$28.444
Each (In a Pack of 10)
units
41.91 x 28.96mm 0.015in 41.91mm 28.96mm - 3.5W/m·K Fibreglass - -60°C +200°C Shore A 90 Sil-Pad 2000 - -60 → +200 °C
RS Stock No. 758-0926
BrandRS PRO
HK$6.318
Each (In a Pack of 10)
units
16.5 x 15.9mm 0.2mm 16.5mm 15.9mm - 1.8W/m·K - - -45°C +200°C - - Red -45 → +200 °C
RS Stock No. 446-493
Mfr. Part No.U021041-15-U1
HK$50.69
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. 758-0948
BrandRS PRO
HK$19.123
Each (In a Pack of 10)
units
49.1 x 29.7mm 0.2mm 49.1mm 29.7mm - 1.8W/m·K - - -45°C +200°C - - Red -45 → +200 °C
RS Stock No. 169-2206
Mfr. Part No.SP400-0.007-00-50
BrandBergquist
HK$1.732
Each (In a Pack of 50)
units
11.1 x 7.92mm 0.178mm 11.1mm 7.92mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS Stock No. 169-2177
Mfr. Part No.SP400-0.007-00-54
BrandBergquist
HK$2.21
Each (In a Pack of 50)
units
19.05 x 12.7mm 0.178mm 19.05mm 12.7mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS Stock No. 859-7622
Mfr. Part No.ILA-TIM-STAR-0A
HK$10.871
Each (In a Pack of 8)
units
- 0.13mm - - - 5 W/m·K, 240 W/m·K Graphite No -240°C +300°C Shore A 85 TIM - -240 → +300 °C
RS Stock No. 707-4720
BrandRS PRO
HK$57.17
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. 362-9654
Mfr. Part No.HF625-0.005-AC-54
BrandBergquist
HK$7.464
Each (In a Pack of 50)
units
19.05 x 12.7mm 0.127mm - - - 0.5W/m·K Hi-Flow 625 Yes -30°C +150°C - Hi-Flow 625 - -30 → +150 °C
RS Stock No. 169-2127
Mfr. Part No.QII-0.006-AC-104
BrandBergquist
HK$6.628
Each (In a Pack of 50)
units
25.4 x 19mm 0.152mm 25.4mm 19mm - 2.5W/m·K Q-Pad II Yes -60°C +180°C Shore A 93 Q-Pad II - -60 → +180 °C
RS Stock No. 712-4030
Mfr. Part No.EYGA121803KV
BrandPanasonic
HK$823.30
Each
units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite Yes - - - - - -
RS Stock No. 707-4758
BrandRS PRO
HK$301.50
Each
units
150 x 150mm 1mm 150mm 150mm - 4W/m·K Gel - -45°C +200°C Shore OO 40 - Blue -45 → +200 °C
RS Stock No. 707-3373
Mfr. Part No.SPK10-0.006-00-104
BrandBergquist
HK$6.80
Each (In a Pack of 10)
units
25.4 x 19.05mm 0.152mm 25.4mm 19.05mm - 1.3W/m·K Thin Film Polyimide - -60°C +180°C Shore A 90 Sil-Pad K10 - -60 → +180 °C
RS Stock No. 794-3985
BrandRS PRO
HK$91.53
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. 707-4604
BrandRS PRO
HK$127.69
Each
units
150 x 150mm 1mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C