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
$4.17
1 Kit
Kit(s)
Transistor Mount Kit TO-3
RS Stock No. 131-1238
BrandRS PRO
$0.564
Each (In a Pack of 5)
units
Spring Clip TO-218, TO-220, TO-247, TO-3P
RS Stock No. 712-8225
BrandRS PRO
$4.72
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 707-4815
BrandRS PRO
$29.13
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 131-1216
BrandRS PRO
$0.94
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 707-4828
BrandRS PRO
$24.02
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 298-493
BrandRS PRO
$8.19
Each
units
Transistor Mount Kit SO-55, TO-3, TO-66
RS Stock No. 707-4819
BrandRS PRO
$24.10
Each
units
Thermal Interface Tape Heatsink
RS Stock No. 298-500
BrandRS PRO
$3.98
Each
units
Transistor Mount Kit SOT-93, TO-126, TO-128, TO-202, TO-220, TO-3P
RS Stock No. 485-8881
BrandRS PRO
$1.18
Each (In a Pack of 5)
units
Gull Wing Clip TO-3P
RS Stock No. 485-8897
BrandRS PRO
$2.172
Each (In a Pack of 5)
units
Gull Wing Clip TO-220
RS Stock No. 477-4862
Mfr. Part No.BP100-0.005-00-00-50
BrandBergquist
$3.735
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS Stock No. 329-3299
Mfr. Part No.HF625-0.005-00-1212
BrandBergquist
$106.87
Each
units
Hi-Flow Insulator Heatsink
RS Stock No. 354-9025
Mfr. Part No.HF-S43
BrandSunhayato
$14.48
1 Bag of 3
Bag(s)
Double Sided Tape Heatsink
RS Stock No. 402-456
Mfr. Part No.W4605 KIT
BrandWinslow
$6.29
1 Kit
Kit(s)
Transistor Mount Kit TO-220
RS Stock No. 477-4878
Mfr. Part No.BP100-0.005-00-00-25
BrandBergquist
$2.438
Each (In a Pack of 10)
units
Adhesive Tape Heatsink
RS Stock No. 504-0592
Mfr. Part No.THFM1
$0.423
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
$7.78
Each
units
Clip DIN Rail
RS Stock No. 722-6921
Mfr. Part No.THFU 1
$0.229
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. 477-4856
Mfr. Part No.BP100-0.005-00-00-12
BrandBergquist
$33.76
Each
units
Adhesive Tape Heatsink
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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.
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 ...
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.
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 ...