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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Omschrijving Prijs 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-stocknr. 707-3355
FabrikantnummerSPK6-0.006-00-54
FabrikantBergquist
€ 0,468
Each (In a Pack of 10)
Aantal stuks
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-stocknr. 707-4578
FabrikantRS PRO
€ 14,79
Each
Aantal stuks
150 x 150mm 1mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS-stocknr. 707-4774
FabrikantRS PRO
€ 94,18
Each
Aantal stuks
150 x 150mm 0.5mm 150mm 150mm - 12W/m·K Gel - -45°C +200°C Shore OO 60 - Grey -45 → +200 °C
RS-stocknr. 169-2616
FabrikantnummerQII-0.006-AC-54
FabrikantBergquist
€ 0,534
Each (In a Pack of 50)
Aantal stuks
19.05 x 12.7mm 0.152mm 19.05mm 12.7mm - 2.5W/m·K Q-Pad II Yes -60°C +180°C Shore A 93 Q-Pad II - -60 → +180 °C
RS-stocknr. 507-5605
FabrikantnummerSP400-0.007-00-1212
FabrikantBergquist
€ 21,63
Each
Aantal stuks
12 x 12in 0.178mm 12in 12in - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS-stocknr. 707-4584
FabrikantRS PRO
€ 19,78
Each
Aantal stuks
150 x 150mm 2mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS-stocknr. 169-2206
FabrikantnummerSP400-0.007-00-50
FabrikantBergquist
€ 0,178
Each (In a Pack of 50)
Aantal stuks
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-stocknr. 169-2177
FabrikantnummerSP400-0.007-00-54
FabrikantBergquist
€ 0,21
Each (In a Pack of 50)
Aantal stuks
19.05 x 12.7mm 0.178mm 19.05mm 12.7mm - 0.9W/m·K Fibreglass - -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS-stocknr. 707-3373
FabrikantnummerSPK10-0.006-00-104
FabrikantBergquist
€ 0,698
Each (In a Pack of 10)
Aantal stuks
25.4 x 19.05mm 0.152mm 25.4mm 19.05mm - 1.3W/m·K Thin Film Polyimide - -60°C +180°C Shore A 90 Sil-Pad K10 - -60 → +180 °C
RS-stocknr. 707-3367
FabrikantnummerSP400-0.007-00-104
FabrikantBergquist
€ 0,265
Each (In a Pack of 10)
Aantal stuks
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-stocknr. 526-0730
FabrikantnummerGP2000S40-0.020-02-00-200x100
FabrikantBergquist
€ 28,65
Each
Aantal stuks
200 x 100mm 0.02in 200mm 100mm - 2W/m·K Gap Pad 2000S40 Yes -60°C +200°C Shore OO 30 Gap Pad 2000S40 - -60 → +200 °C
RS-stocknr. 758-0948
FabrikantRS PRO
€ 2,388
Each (In a Pack of 10)
Aantal stuks
49.1 x 29.7mm 0.2mm 49.1mm 29.7mm - 1.8W/m·K - - -45°C +200°C - - Red -45 → +200 °C
RS-stocknr. 780-5852
FabrikantnummerILA-TIM-CLUSTER-30X30-2A
€ 3,03
Each
Aantal stuks
- 0.16mm - - - - TIM Yes -240°C +300°C Shore A 90 TIM - -240 → +300 °C
RS-stocknr. 707-4566
FabrikantRS PRO
€ 13,95
Each
Aantal stuks
150 x 150mm 0.5mm 150mm 150mm - 1.6W/m·K - Yes -40°C +200°C Shore A 15 - Grey -40 → +200 °C
RS-stocknr. 283-3638
FabrikantnummerSP400-0.007-00-122
FabrikantBergquist
€ 0,338
Each (In a Pack of 50)
Aantal stuks
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-stocknr. 169-2458
FabrikantnummerSP400-0.007-AC-1212
FabrikantBergquist
€ 47,31
Each
Aantal stuks
12 x 12in 0.178mm 12in 12in - 0.9W/m·K Fibreglass Yes -60°C +180°C Shore A 85 Sil-Pad 400 - -60 → +180 °C
RS-stocknr. 169-2420
FabrikantnummerSP2000-0.015-00-21
FabrikantBergquist
€ 4,403
Each (In a Pack of 10)
Aantal stuks
- 0.015in - - 20.32mm 3.5W/m·K Fibreglass - -60°C +200°C Shore A 90 Sil-Pad 2000 - -60 → +200 °C
RS-stocknr. 859-7631
FabrikantnummerILA-TIM-STAR-1A
€ 1,405
Each (In a Pack of 8)
Aantal stuks
- 0.25mm - - - 5 W/m·K, 240 W/m·K Graphite Yes -240°C +300°C Shore A 85 TIM - -240 → +300 °C
RS-stocknr. 446-471
FabrikantnummerU021041-25-U1
€ 51,61
Each
Aantal stuks
100 x 100mm 5mm 100mm 100mm - 3W/m·K Boron Nitride Filled Silicone Elastomer Yes -45°C +200°C Shore OO 25 - - -45 → +200 °C
RS-stocknr. 362-9654
FabrikantnummerHF625-0.005-AC-54
FabrikantBergquist
€ 0,813
Each (In a Pack of 50)
Aantal stuks
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