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. Theyre 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. Theyre 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. Theyre 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. 177-7773
Mfr. Part No.SL-013-AL25
BrandSilfox
£0.935
Each (In a Pack of 10)
Units
19.3 x 14mm 2.5mm 19.3mm 14mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °C
RS Stock No. 177-7767
Mfr. Part No.SL-019-AL15
BrandSilfox
£0.714
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. 283-3830
Mfr. Part No.SL-012-AL-20
BrandSilfox
£1.088
Each (In a Pack of 10)
Units
23 x 20mm 2mm 23mm 20mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °C
RS Stock No. 218-2609
Mfr. Part No.SL-015-AL-15
BrandSilfox
£0.906
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. 177-7802
Mfr. Part No.SL-011-AL30
BrandSilfox
£2.024
Each (In a Pack of 10)
Units
40 x 26.2mm 3mm 40mm 26.2mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °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. 177-7795
Mfr. Part No.SL-002-AL20
BrandSilfox
£1.206
Each (In a Pack of 10)
Units
25 x 21mm 3mm 25mm 21mm - 20W/m·K Ceramic Aluminium Oxide - - +1400°C - - - Maximum of +1400 °C