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. 712-8225
BrandRS PRO
R 39.00
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS stock no. 477-4878
Mfr. Part No.BP100-0.005-00-00-25
BrandBergquist
R 21.457
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS stock no. 722-6921
Mfr. Part No.THFU 1
R 3.285
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. 263-239
BrandRS PRO
R 19.80
1 Kit
Kit(s)
Transistor Mount Kit TO-3
RS stock no. 477-4862
Mfr. Part No.BP100-0.005-00-00-50
BrandBergquist
R 57.805
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS stock no. 298-500
BrandRS PRO
R 20.79
Each
units
Transistor Mount Kit SOT-93, TO-126, TO-128, TO-202, TO-220, TO-3P
RS stock no. 477-4856
Mfr. Part No.BP100-0.005-00-00-12
BrandBergquist
R 298.76
Each
units
Adhesive Tape Heatsink
RS stock no. 722-6934
Mfr. Part No.THFU 3
R 4.322
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. 707-4819
BrandRS PRO
R 335.54
Each
units
Thermal Interface Tape Heatsink
RS stock no. 325-7877
Mfr. Part No.THF409-220
R 1.919
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. 202-108
Mfr. Part No.KL 35 075
R 126.357
Each (In a Pack of 20)
units
Clip Heatsink Mounting Rail (35 mm)
RS stock no. 298-493
BrandRS PRO
R 55.60
Each
units
Transistor Mount Kit SO-55, TO-3, TO-66
RS stock no. 329-3283
Mfr. Part No.HF105-0.005-00-1212
BrandBergquist
R 607.73
Each
units
Hi-Flow Insulator Heatsink
RS stock no. 131-1238
BrandRS PRO
R 12.46
Each (In a Pack of 5)
units
Spring Clip TO-218, TO-220, TO-247, TO-3P
RS stock no. 485-8897
BrandRS PRO
R 19.26
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS stock no. 402-456
Mfr. Part No.W4605 KIT
BrandWinslow
R 56.88
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS stock no. 189-7912
Mfr. Part No.TF3/2
R 46.24
Each
units
Socket TO-3
RS stock no. 754-5954
Mfr. Part No.HSR-2
BrandRichco
R 6.913
Each (In a Bag of 20)
units
Spring Mount Rivet Heatsink
RS stock no. 329-3299
Mfr. Part No.HF625-0.005-00-1212
BrandBergquist
R 1,750.39
Each
units
Hi-Flow Insulator Heatsink
RS stock no. 707-4815
BrandRS PRO
R 335.00
Each
units
Thermal Interface Tape Heatsink