Heatsink Mounting Accessories

Heatsink mounting accessories support the attachment of heatsinks to their components. Heatsinks are passive heat exchangers: they take the heat generated by electrical or mechanical devices and transfer it to a disposable medium, often liquid coolant or air. There's a wide selection of heatsink mounting accessories, including clips, adhesive tape, retaining springs, hi-flow insulators and graphite pads. Choosing the right mounting accessories can improve your heatsink’s performance.

Types of heatsink mounting accessories

A range of heatsink mounting accessories is available, depending on your needs. Spring clips can be used with all sizes of vertical-mount heatsinks where transistors have no mounting tabs. Heatsink spring mount rivets are used to fasten a heatsink to a processor on a printed circuit board. They provide continuous pressure to a heatsink to improve the conductivity. For an alternative to screw mounting and clip mounting, adhesive tape allows a double-sided high bond-strength attachment.

Why use heatsink mounting accessories?

Heatsink mounting accessories provide greater reliability within your cooling system and ensure it can operate to its best ability. The right accessories can also contribute to reduced energy use and lower costs.


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Description Price Accessory Type For Use With
RS Stock No. 263-239
BrandRS PRO
$4.59
1 Kit
Kit(s)
Transistor Mount Kit TO-3
RS Stock No. 712-8225
BrandRS PRO
$5.19
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 707-4815
BrandRS PRO
$32.04
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 707-4819
BrandRS PRO
$26.51
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 298-500
BrandRS PRO
$4.38
Each
units
Transistor Mount Kit SOT-93, TO-126, TO-128, TO-202, TO-220, TO-3P
RS Stock No. 298-493
BrandRS PRO
$9.01
Each
units
Transistor Mount Kit SO-55, TO-3, TO-66
RS Stock No. 485-8897
BrandRS PRO
$2.388
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 707-4828
BrandRS PRO
$26.42
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 485-8881
BrandRS PRO
$1.526
Each (In a Pack of 5)
units
Gull Wing Clip TO-3P
RS Stock No. 131-1238
BrandRS PRO
$0.62
Each (In a Pack of 5)
units
Spring Clip TO-218, TO-220, TO-247, TO-3P
RS Stock No. 131-1216
BrandRS PRO
$1.034
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 402-456
Mfr. Part No.W4605 KIT
BrandWinslow
$6.92
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 477-4862
Mfr. Part No.BP100-0.005-00-00-50
BrandBergquist
$4.109
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS Stock No. 189-7912
Mfr. Part No.TF3/2
$5.28
Each
units
Socket TO-3
RS Stock No. 656-805
Mfr. Part No.CM20-NA-314
$22.00
1 Bag of 50
Bag(s)
Graphite Pad TO-220
RS Stock No. 477-4878
Mfr. Part No.BP100-0.005-00-00-25
BrandBergquist
$2.682
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS Stock No. 354-9025
Mfr. Part No.HF-S43
BrandSunhayato
$15.93
1 Bag of 3
Bag(s)
Double Sided Tape Heatsink
RS Stock No. 477-4856
Mfr. Part No.BP100-0.005-00-00-12
BrandBergquist
$37.14
Each
units
Adhesive Tape Heatsink
RS Stock No. 754-5945
Mfr. Part No.HSR-1
BrandRichco
$18.34
1 Bag of 20
Bag(s)
Spring Mount Rivet Heatsink
RS Stock No. 722-6921
Mfr. Part No.THFU 1
$0.252
Each (In a Pack of 25)
units
Retaining Spring LAM Heatsink, SK Heatsink, TO-218, TO-220, TO-247, TO-248, TO-3P
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Universal snap in transistor holder spring for transistor ...
Description:
Universal snap in transistor holder spring for transistor style housing types TO 218, TO 220, TO 247, TO 264 Easy assembly and secure grip when using special flute geometry in heatsinksMaximum heat transfer between component and cooling element.
Transistor spring clips designed for single point fixing ...
Description:
Transistor spring clips designed for single point fixing of power transistors such as TO220, TO218, TO247 and TO3P to their heatsinksThey provide strong central pressure (max. 7.5kg) to maximise the thermal transfer properties to the heatsink with only one circular ...
In some applications, the GAP Pad exerts a ...
Description:
In some applications, the GAP Pad exerts a pressure unable to cope with risks of deterioration. For other applications, it is impossible to apply due to inaccessibility. To solve these problems, Bergquist has created a "GAP Pad liquid", thermal filler ...
Bond-Ply 100 is thermally conductive, double-sided pressure sensitive ...
Description:
Bond-Ply 100 is thermally conductive, double-sided pressure sensitive adhesive tape. It is designed to attain high bond strength with long term exposure to moderate heat and high humidity. Can be used instead of Heat Cure Adhesives, Screw Mounting, Clip Mounting. ...