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. 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 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’re also important in providing safety by eliminating the possibility of electrical fires. Thermal 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 pads used for?

Typical applications of thermal 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. 707-3395
Mfr. Part No.GP5000S35-0.060-02-0804
BrandBergquist
£85.53
Each
Units
8 x 4in 0.06in 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. 283-3650
Mfr. Part No.QII-0.006-00-122
BrandBergquist
£0.415
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. 169-4549
Mfr. Part No.SPK4-0.006-AC-54
BrandBergquist
£0.494
Each (In a Pack of 50)
Units
19.05 x 12.7mm 0.152mm 19.05mm 12.7mm - 0.9W/m·K Thin Film Polyimide Yes -60°C +180°C Shore A 90 Sil-Pad K4 - -60 → +180 °C
RS Stock No. 468-2296
Mfr. Part No.GPVOUS-0.125-00-00-100X100
BrandBergquist
£41.53
Each
Units
100 x 100mm 0.125in 100mm 100mm - 1W/m·K Gap Pad VO Ultra Soft - -60°C +200°C Shore OO 5 Gap Pad VO Ultra Soft - -60 → +200 °C
RS Stock No. 707-3430
Mfr. Part No.GP5000S35-0.060-02-0404
BrandBergquist
£64.69
Each
Units
4 x 4in 0.06in 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. 712-3964
Mfr. Part No.EYGA121807V
BrandPanasonic
£36.14
Each
Units
180 x 115mm 0.07mm 180mm 115mm - 1000W/m·K Graphite Yes - - - - - -
RS Stock No. 882-0219
Mfr. Part No.GCS-017-A10
£41.96
Each
Units
225 x 225mm 0.017mm 225mm 225mm - 1750W/m·K Graphite Yes - - - - - -
RS Stock No. 722-6830
Mfr. Part No.WLFT 404 D 32
£2.21
Each
Units
- 0.127mm - - 32mm 0.37W/m·K Polyamide Yes -30°C +125°C - - - -30 → +125 °C
RS Stock No. 177-7818
Mfr. Part No.SL-012-AL40
BrandSilfox
£1.401
Each (In a Pack of 10)
Units
23 x 20mm 4mm 23mm 20mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °C
RS Stock No. 283-3802
Mfr. Part No.GPVO-0.080-AC-00-200X100
BrandBergquist
£41.53
Each
Units
200 x 100mm 0.08in 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. 329-3334
Mfr. Part No.HF625-0.005-AC-1212
BrandBergquist
£82.22
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. 331-4784
Mfr. Part No.GPVO-0.160-AC-00-200X100
BrandBergquist
£92.25
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. 177-7723
Mfr. Part No.CPU PAD 35X35
BrandBergquist
£4.217
Each (In a Pack of 10)
Units
35 x 35mm 0.127mm 35mm 35mm - 0.6W/m·K Acrylic Yes - - - - - -
RS Stock No. 127-007
Mfr. Part No.GP1500-0.020-02-0804
BrandBergquist
£27.97
Each
Units
8 x 4in 0.02in 8in 4in - 1.5W/m·K Gap Pad 1500 Yes -60°C +200°C Shore OO 40 Gap Pad 1500 - -60 → +200 °C
RS Stock No. 780-5859
Mfr. Part No.ILA-TIM-STRIP-300X20-1A
£4.19
Each
Units
300 x 20mm 0.13mm 300mm 20mm - 240 W/m·K, 5 W/m·K TIM Yes - - Shore A 85 - - -
RS Stock No. 712-3955
Mfr. Part No.EYGA091207V
BrandPanasonic
£18.08
Each
Units
115 x 90mm 0.07mm 115mm 90mm - 1000W/m·K Graphite Yes - - - - - -
RS Stock No. 127-079
Mfr. Part No.GP1500-0.100-02-0804
BrandBergquist
£58.42
Each
Units
8 x 4in 0.1in 8in 4in - 1.5W/m·K Gap Pad 1500 Yes -60°C +200°C Shore OO 40 Gap Pad 1500 - -60 → +200 °C
RS Stock No. 780-5852
Mfr. Part No.ILA-TIM-CLUSTER-30X30-2A
£2.54
Each
Units
- 0.16mm - - - - TIM Yes -240°C +300°C Shore A 90 TIM - -240 → +300 °C
RS Stock No. 712-3977
Mfr. Part No.EYGS121803
BrandPanasonic
£38.50
Each
Units
180 x 115mm 0.025mm 180mm 115mm - 1600W/m·K Graphite - - - - - - -
RS Stock No. 169-2464
Mfr. Part No.QII-0.006-00-1212
BrandBergquist
£41.53
Each
Units
12 x 12in 0.152mm 12in 12in - 2.5W/m·K Q-Pad II - -60°C +180°C Shore A 93 Q-Pad II - -60 → +180 °C
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