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. 131-1238
BrandRS PRO
MYR3.782
Each (In a Pack of 5)
units
Spring Clip TO-218, TO-220, TO-247, TO-3P
RS Stock No. 712-8225
BrandRS PRO
MYR7.56
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 298-493
BrandRS PRO
MYR13.85
Each
units
Transistor Mount Kit SO-55, TO-3, TO-66
RS Stock No. 707-4819
BrandRS PRO
MYR75.33
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 298-500
BrandRS PRO
MYR6.95
Each
units
Transistor Mount Kit SOT-93, TO-126, TO-128, TO-202, TO-220, TO-3P
RS Stock No. 485-8881
BrandRS PRO
MYR4.28
Each (In a Pack of 5)
units
Gull Wing Clip TO-3P
RS Stock No. 485-8897
BrandRS PRO
MYR4.074
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 707-4815
BrandRS PRO
MYR52.00
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 263-239
BrandRS PRO
MYR8.97
1 Kit
Kit(s)
Transistor Mount Kit TO-3
RS Stock No. 131-1216
BrandRS PRO
MYR2.722
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 707-4828
BrandRS PRO
MYR81.94
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 504-0609
Mfr. Part No.THFM2
MYR1.783
Each (In a Pack of 10)
units
Retaining Spring TO-218, TO-220, TO-247, TO-264
RS Stock No. 477-4878
Mfr. Part No.BP100-0.005-00-00-25
BrandBergquist
MYR6.721
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS Stock No. 329-3299
Mfr. Part No.HF625-0.005-00-1212
BrandBergquist
MYR328.68
Each
units
Hi-Flow Insulator Heatsink
RS Stock No. 722-6921
Mfr. Part No.THFU 1
MYR0.897
Each (In a Pack of 25)
units
Retaining Spring LAM Heatsink, SK Heatsink, TO-218, TO-220, TO-247, TO-248, TO-3P
RS Stock No. 402-456
Mfr. Part No.W4605 KIT
BrandWinslow
MYR18.46
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 325-7877
Mfr. Part No.THF409-220
MYR0.62
Each (In a Pack of 10)
units
Retaining Spring SK409 Heatsink, SK459 Heatsink, TO-218, TO-220, TO-247, TO-248, TO-3P
RS Stock No. 362-9705
Mfr. Part No.PISTOLET FILLER
BrandBergquist
MYR836.08
Each
units
Gap Filler Dispenser Gun Insulators
RS Stock No. 750-0964
Mfr. Part No.Hook 1
MYR13.98
1 Bag of 20
Bag(s)
Hook Solder Anchor BGA
RS Stock No. 877-7086
Mfr. Part No.ILA-ADAPT-WIRESET-001
MYR53.23
Each
units
- Linear Heatsink
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The KL 35 series of heatsink mounting rail ...
Description:
The KL 35 series of heatsink mounting rail fasteners are for rail material strengths of 1-2, 3mm. Universal, solid clamp assembly for all 35 mm rail terminalsSuitable for rail material strengths of 1 → 2.3 mm in accordance with DIN ...
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 ...
The insulation covers consist of polyamide reinforced by ...
Description:
The insulation covers consist of polyamide reinforced by glass fibre, and the compensation sockets are made from nickel-plated brass. The push-fit sockets compensate for the varying flange heights of different transistor types.
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. ...