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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Beskrivning Pris 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-artikelnummer 122-5188
Tillv. art.nrILA-TIM-LES19-2A
23,575 kr
Each (In a Pack of 4)
Enheter
24 x 24mm 0.16mm 24mm 24mm - - Graphite Yes - - - TIM Grey -
RS-artikelnummer 707-4578
VarumärkeRS PRO
157,72 kr
Each
Enheter
150 x 150mm 1mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS-artikelnummer 915-6086
VarumärkeRS PRO
137,73 kr
Each
Enheter
150 x 150mm 1mm 150mm 150mm - 2W/m·K Non-Silicone - -40°C +125°C Shore OO 30 - Pink -40 → +125 °C
RS-artikelnummer 491-4161
Tillv. art.nrGP3000S30-0.040-02-00-100X100
VarumärkeBergquist
490,44 kr
Each
Enheter
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
RS-artikelnummer 752-4742
Tillv. art.nrGP2500S20-0.040-02-00-100x100
VarumärkeBergquist
335,02 kr
Each
Enheter
100 x 100mm 0.04in 100mm 100mm - 2.4W/m·K Gap Pad 2500S20 Yes -60°C +200°C Shore OO 20 Gap Pad 2500S20 - -60 → +200 °C
RS-artikelnummer 127-041
Tillv. art.nrHF225FAC-0.004-AC-1112
VarumärkeBergquist
694,23 kr
Each
Enheter
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-artikelnummer 367-3207
Tillv. art.nrGPVOUS-0.040-AC-00-200X100
VarumärkeBergquist
576,39 kr
Each
Enheter
200 x 100mm 0.04in 200mm 100mm - 1W/m·K Gap Pad VO Ultra Soft Yes -60°C +200°C Shore OO 5 Gap Pad VO Ultra Soft - -60 → +200 °C
RS-artikelnummer 707-3383
Tillv. art.nrGP5000S35-0.040-02-0804
VarumärkeBergquist
1 016,49 kr
Each
Enheter
8 x 4in 0.04in 8in 4in - 5W/m·K Gap Pad 5000S35 Yes -60°C +200°C Shore OO 35 Gap Pad 5000S35 - -60 → +200 °C
RS-artikelnummer 859-7622
Tillv. art.nrILA-TIM-STAR-0A
12,174 kr
Each (In a Pack of 8)
Enheter
- 0.25mm - - - 5 W/m·K, 240 W/m·K Graphite No -240°C +300°C Shore A 85 TIM - -240 → +300 °C
RS-artikelnummer 283-3745
Tillv. art.nrGPVO-0.020-00-00-200X100
VarumärkeBergquist
361,10 kr
Each
Enheter
200 x 100mm 0.02in 200mm 100mm - 0.8W/m·K Gap Pad VO - -60°C +200°C Shore OO 40 Gap Pad VO - -60 → +200 °C
RS-artikelnummer 915-6032
VarumärkeRS PRO
180,54 kr
Each
Enheter
150 x 150mm 1mm 150mm 150mm - 3.5W/m·K Fibreglass - -55°C +200°C Shore OO 20 - Blue -55 → +200 °C
RS-artikelnummer 122-5190
Tillv. art.nrILA-TIM-LES23-2A
30,04 kr
Each (In a Pack of 2)
Enheter
28 x 28mm - 28mm 28mm - - Graphite Yes - - - TIM Grey -
RS-artikelnummer 915-6067
VarumärkeRS PRO
337,62 kr
Each
Enheter
150 x 150mm 1mm 150mm 150mm - 6W/m·K Silicone - -55°C +200°C Shore OO 50 - Red -55 → +200 °C
RS-artikelnummer 712-3992
Tillv. art.nrEYGA091203PA
VarumärkePanasonic
114,98 kr
Each
Enheter
115 x 90mm 0.025mm 115mm 90mm - 1600W/m·K Graphite Yes - - - - - -
RS-artikelnummer 707-3355
Tillv. art.nrSPK6-0.006-00-54
VarumärkeBergquist
4,991 kr
Each (In a Pack of 10)
Enheter
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-artikelnummer 712-3999
Tillv. art.nrEYGA091203PM
VarumärkePanasonic
352,53 kr
Each
Enheter
115 x 90mm 0.025mm 115mm 90mm - 1600W/m·K Graphite Yes - - - - - -
RS-artikelnummer 707-4572
VarumärkeRS PRO
159,86 kr
Each
Enheter
150 x 150mm 1.2mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS-artikelnummer 362-9654
Tillv. art.nrHF625-0.005-AC-54
VarumärkeBergquist
8,405 kr
Each (In a Pack of 50)
Enheter
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-artikelnummer 758-0926
VarumärkeRS PRO
8,686 kr
Each (In a Pack of 10)
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16.5 x 15.9mm 0.2mm 16.5mm 15.9mm - 1.8W/m·K - - -45°C +200°C - - Red -45 → +200 °C
RS-artikelnummer 362-9676
Tillv. art.nrHF625-0.005-AC-104
VarumärkeBergquist
10,069 kr
Each (In a Pack of 50)
Enheter
25 x 19mm 0.127mm 25mm 19mm - 0.5W/m·K Hi-Flow 625 Yes -30°C +150°C - Hi-Flow 625 - -30 → +150 °C