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. 169-2183
Mfr. Part No.SP400-0.007-00-05
BrandBergquist
TWD12.60
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. 707-3355
Mfr. Part No.SPK6-0.006-00-54
BrandBergquist
TWD16.40
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. 722-6836
Mfr. Part No.WLFT 404 D 23
TWD89.00
Each
units
- 0.127mm - - 23mm 0.37W/m·K Polyamide Yes -30°C +125°C - - - -30 → +125 °C
RS Stock No. 707-4590
BrandRS PRO
TWD508.00
Each
units
150 x 150mm 0.5mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C
RS Stock No. 169-2414
Mfr. Part No.SP2000-0.015-00-20
BrandBergquist
TWD44.30
Each (In a Pack of 10)
units
- 0.015in - - 12.95mm 3.5W/m·K Fibreglass - -60°C +200°C Shore A 90 Sil-Pad 2000 - -60 → +200 °C
RS Stock No. 707-3364
Mfr. Part No.SPK6-0.006-00-104
BrandBergquist
TWD9.20
Each (In a Pack of 10)
units
25.4 x 19.05mm 0.152mm 25.4mm 19.05mm - 1.1W/m·K Thin Film Polyimide - -60°C +180°C Shore A 90 Sil-Pad K6 - -60 → +180 °C
RS Stock No. 707-4679
BrandRS PRO
TWD1,008.00
Each
units
150 x 150mm 0.5mm 150mm 150mm - 4W/m·K - Yes -40°C +200°C Shore A 25 - Grey -40 → +200 °C
RS Stock No. 169-2206
Mfr. Part No.SP400-0.007-00-50
BrandBergquist
TWD6.70
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. 707-3367
Mfr. Part No.SP400-0.007-00-104
BrandBergquist
TWD7.20
Each (In a Pack of 10)
units
25.4 x 19.05mm 0.178mm 25.4mm 19.05mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS Stock No. 283-3638
Mfr. Part No.SP400-0.007-00-122
BrandBergquist
TWD14.20
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. 491-4054
Mfr. Part No.GP2000S40-0.040-02-00-100X100
BrandBergquist
TWD1,129.00
Each
units
100 x 100mm 0.04in 100mm 100mm - 2W/m·K Gap Pad 2000S40 Yes -60°C +200°C Shore OO 30 Gap Pad 2000S40 - -60 → +200 °C
RS Stock No. 707-4578
BrandRS PRO
TWD525.00
Each
units
150 x 150mm 1mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS Stock No. 707-4575
BrandRS PRO
TWD514.00
Each
units
150 x 150mm 0.8mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS Stock No. 283-3650
Mfr. Part No.QII-0.006-00-122
BrandBergquist
TWD18.70
Each (In a Pack of 50)
units
28.96 x 20.57mm 0.152mm 28.96mm 20.57mm - 2.5W/m·K Q-Pad II - -60°C +180°C Shore A 93 Q-Pad II - -60 → +180 °C
RS Stock No. 218-2609
Mfr. Part No.SL-015-AL-15
BrandSilfox
TWD43.90
Each (In a Pack of 10)
units
18 x 12mm 1.5mm 18mm 12mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °C
RS Stock No. 707-4594
BrandRS PRO
TWD574.00
Each
units
150 x 150mm 0.8mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C
RS Stock No. 707-3386
Mfr. Part No.GP5000S35-0.020-02-0804
BrandBergquist
TWD3,032.00
Each
units
8 x 4in 0.02in 8in 4in - 5W/m·K Gap Pad 5000S35 Yes -60°C +200°C Shore OO 35 Gap Pad 5000S35 - -60 → +200 °C
RS Stock No. 812-7986
Mfr. Part No.EYG-S091207DP
BrandPanasonic
TWD1,100.00
Each
units
115 x 90mm 0.07mm 115mm 90mm - 1000W/m·K Graphite - - +400°C - - - Maximum of +400 (Withstand) °C
RS Stock No. 127-041
Mfr. Part No.HF225FAC-0.004-AC-1112
BrandBergquist
TWD2,111.00
Each
units
11 x 12in 0.102mm 11in 12in - 1W/m·K Hi-Flow 225F-AC Yes - +120°C - Hi-Flow 225F-AC - Maximum of +120 °C
RS Stock No. 707-4629
BrandRS PRO
TWD638.00
Each
units
150 x 150mm 0.8mm 150mm 150mm - 1.95W/m·K - Yes -40°C +200°C Shore A 5 - Yellow -40 → +200 °C