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. 504-0592
Mfr. Part No.THFM1
£0.165
Each (In a Pack of 10)
Units
Retaining Spring TO-218, TO-220, TO-247, TO-264
RS Stock No. 722-6921
Mfr. Part No.THFU 1
£0.134
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. 504-0615
Mfr. Part No.THFM10
£1.205
Each (In a Pack of 10)
Units
Retaining Spring TO-218, TO-220, TO-247, TO-264
RS Stock No. 325-7877
Mfr. Part No.THF409-220
£0.089
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. 189-7912
Mfr. Part No.TF3/2
£2.03
Each
Units
Socket TO-3
RS Stock No. 203-808
Mfr. Part No.KL 35 050
£3.229
Each (In a Pack of 20)
Units
Clip Heatsink Mounting Rail (35 mm)
RS Stock No. 722-6934
Mfr. Part No.THFU 3
£0.133
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. 504-0609
Mfr. Part No.THFM2
£0.282
Each (In a Pack of 10)
Units
Retaining Spring TO-218, TO-220, TO-247, TO-264
RS Stock No. 774-2758
Mfr. Part No.KL 35 100
£3.90
Each
Units
Clip DIN Rail
RS Stock No. 722-6937
Mfr. Part No.THFU 4
£0.218
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. 189-7978
Mfr. Part No.IK341/3
£1.18
Each
Units
Insulating Cap TO 3
RS Stock No. 202-108
Mfr. Part No.KL 35 075
£4.411
Each (In a Pack of 20)
Units
Clip Heatsink Mounting Rail (35 mm)
RS Stock No. 203-791
Mfr. Part No.THFU 2
£0.138
Each (In a Pack of 100)
Units
Retaining Spring LAM Heatsink, SK Heatsink, TO-218, TO-220, TO-247, TO-248, TO-3P
RS Stock No. 504-0766
Mfr. Part No.ICKSMDBOX
£129.26
Each
Units
Heat Sink Box SMD