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. 491-0153
Mfr. Part No.GP2500-0.125-02-00-100X100
BrandBergquist
$106.65
Each
units
100 x 100mm 0.125in 100mm 100mm - 2.7W/m·K Gap Pad 2500 Yes -60°C +200°C Shore OO 80 Gap Pad 2500 - -60 → +200 °C
RS Stock No. 780-5824
Mfr. Part No.ILA-TIM-72FL-235X170-1A
$54.06
Each
units
- 0.25mm - - - 5 W/m·K, 240 W/m·K TIM Yes -240°C +300°C Shore A 85 TIM - -240 → +300 °C
RS Stock No. 882-0219
Mfr. Part No.GCS-017-A10
$89.86
Each
units
225 x 225mm 0.017mm 225mm 225mm - 1750W/m·K Graphite Yes - - - - - -
RS Stock No. 707-3452
Mfr. Part No.GP5000S35-0.125-02-0404
BrandBergquist
$182.85
Each
units
4 x 4in 0.125in 4in 4in - 5W/m·K Gap Pad 5000S35 Yes -60°C +200°C Shore OO 35 Gap Pad 5000S35 - -60 → +200 °C
RS Stock No. 283-3745
Mfr. Part No.GPVO-0.020-00-00-200X100
BrandBergquist
$37.84
Each
units
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 Stock No. 707-4590
BrandRS PRO
$24.54
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. 177-7824
Mfr. Part No.GPVO-0.040-00-0816
BrandBergquist
$219.44
Each
units
8 x 16in 0.04in 8in 16in - 0.8W/m·K Gap Pad VO - -60°C +200°C Shore OO 40 Gap Pad VO - -60 → +200 °C
RS Stock No. 707-4761
BrandRS PRO
$85.36
Each
units
150 x 150mm 2mm 150mm 150mm - 4W/m·K Gel - -45°C +200°C Shore OO 40 - Blue -45 → +200 °C
RS Stock No. 331-4784
Mfr. Part No.GPVO-0.160-AC-00-200X100
BrandBergquist
$200.52
Each
units
200 x 100mm 0.16in 200mm 100mm - 0.8W/m·K Gap Pad VO Yes -60°C +200°C Shore OO 40 Gap Pad VO - -60 → +200 °C
RS Stock No. 707-4657
BrandRS PRO
$35.30
Each
units
150 x 150mm 1mm 150mm 150mm - 3.2W/m·K - Yes -40°C +200°C Shore A 20 - Grey -40 → +200 °C
RS Stock No. 707-4718
BrandRS PRO
$15.43
Each
units
150 x 150mm 0.18mm 150mm 150mm - 1.4W/m·K - - -40°C +200°C Shore A 80 - Yellow -40 → +200 °C
RS Stock No. 780-5830
Mfr. Part No.ILA-TIM-27FL-180X180-1A
$41.67
Each
units
- 0.25mm - - - 5 W/m·K, 240 W/m·K TIM Yes -240°C +300°C Shore A 85 TIM - -240 → +300 °C
RS Stock No. 707-3421
Mfr. Part No.GP5000S35-0.020-02-0404
BrandBergquist
$58.02
Each
units
4 x 4in 0.02in 4in 4in - 5W/m·K Gap Pad 5000S35 Yes -60°C +200°C Shore OO 35 Gap Pad 5000S35 - -60 → +200 °C
RS Stock No. 169-2391
Mfr. Part No.SP2000-0.015-00-104
BrandBergquist
$2.661
Each (In a Pack of 10)
units
25.4 x 19.05mm 0.015in 25.4mm 19.05mm - 3.5W/m·K Fibreglass - -60°C +200°C Shore A 90 Sil-Pad 2000 - -60 → +200 °C
RS Stock No. 329-3334
Mfr. Part No.HF625-0.005-AC-1212
BrandBergquist
$176.06
Each
units
300 x 300mm 0.127mm 300mm 300mm - 0.5W/m·K Hi-Flow 625 Yes -30°C +150°C - Hi-Flow 625 - -30 → +150 °C
RS Stock No. 752-4887
Mfr. Part No.HF650P-0.001-01-1112-NA
BrandBergquist
$210.45
Each
units
11 x 12in 0.001in 11in 12in - 1.5W/m·K Hi-Flow 650P Yes -40°C +150°C - Hi-Flow 650P - -40 → +150 °C
RS Stock No. 169-1354
Mfr. Part No.QII-0.006-00-54
BrandBergquist
$0.931
Each (In a Pack of 50)
units
19.05 x 12.7mm 0.152mm 19.05mm 12.7mm - 2.5W/m·K Q-Pad II - -60°C +180°C Shore A 93 Q-Pad II - -60 → +180 °C
RS Stock No. 758-0972
BrandRS PRO
$14.36
Each (In a Pack of 5)
units
89.7 x 72.5mm 0.2mm 89.7mm 72.5mm - 1.8W/m·K - - -45°C +200°C - - Red -45 → +200 °C
RS Stock No. 707-4601
BrandRS PRO
$34.79
Each
units
150 x 150mm 1.5mm 150mm 150mm - 2.2W/m·K - Yes -40°C +200°C Shore A 10 - Red -40 → +200 °C
RS Stock No. 177-7767
Mfr. Part No.SL-019-AL15
BrandSilfox
$1.552
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
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