Heatsinks

What are Heat Sink Fans for Computers, PCs and PCUs?

Heat sinks prevent devices from overheating and are particularly important in protecting electronics such as CPUs. Components subject to too much heat can become irreparably damaged. In the most severe cases overheating components can result in fires, explosions and injury.

Many electrical applications require airflow, therefore...

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RS PRO Heatsink, Cooling Electronics as a Heat Sink, 17.9°C/W 20 mm 20 mm 35 mm
RS PRO Heatsink, Cooling Electronics as a Heat Sink, 17.9°C/W 20 mm 20 mm 35 mm
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RS Stock No.: 263-251Brand: RS PRO

€ 19.96

€ 1.996 Each (In a Pack of 10) (Exc. Vat)

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10

Available in multiples of 10
10€ 1.996
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RS Pro
-
Cooling Electronics as a Heat Sink
Heatsink
20mm
-
-
35 mm
-
20mm
-
-
-
17.9°C/W
-
-
-
-
Black
-
Black Anodised
TO-220
RoHS
Cooling
-
Aluminium
-
-
-
-
-
-
RS PRO Heatsink, 5°C/W 28 mm 50 mm 50 mm
RS PRO Heatsink, 5°C/W 28 mm 50 mm 50 mm
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RS Stock No.: 789-8582Brand: RS PRO

€ 7.74

€ 7.74 Each (Exc. Vat)

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1

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1€ 7.74
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RS Pro
-
-
Heatsink
50mm
-
-
50 mm
-
28mm
-
Screw
-
5°C/W
-
-
-
PPL
Black
-
Anodised
TO-220
RoHS
-
-
Aluminium
-
-
-
-
-
-
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 100 mm 35 mm
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 100 mm 35 mm
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RS Stock No.: 274-0269Brand: RS PRO

€ 12.34

€ 12.34 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 12.34
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RS Pro
-
LED Lighting, Universal
Heatsink
100mm
-
-
35 mm
-
35mm
-
Vertical
-
1.224°C/W
-
-
-
-
-
-
Black Anodised
-
No
-
-
Aluminium
-
-
-
-
-
-
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 150 mm 35 mm
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 150 mm 35 mm
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RS Stock No.: 274-0270Brand: RS PRO

€ 15.25

€ 15.25 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 15.25
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RS Pro
-
LED Lighting, Universal
Heatsink
150mm
-
-
35 mm
-
35mm
-
Vertical
-
1.224°C/W
-
-
-
-
-
-
Black Anodised
-
No
-
-
Aluminium
-
-
-
-
-
-
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 200 mm 35 mm
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 200 mm 35 mm
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RS Stock No.: 274-0271Brand: RS PRO

€ 17.79

€ 17.79 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 17.79
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RS Pro
-
LED Lighting, Universal
Heatsink
200mm
-
-
35 mm
-
35mm
-
Vertical
-
1.224°C/W
-
-
-
RS PRO
-
-
Black Anodised
-
No
-
-
Aluminium
-
-
-
-
-
-
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 50 mm 35 mm
RS PRO Heatsink, LED Lighting, Universal, 1.224°C/W 35 mm 50 mm 35 mm
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RS Stock No.: 274-0272Brand: RS PRO

€ 9.32

€ 9.32 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 9.32
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RS Pro
-
LED Lighting, Universal
Heatsink
50mm
-
-
35 mm
-
35mm
-
Vertical
-
1.224°C/W
-
-
-
-
-
-
Black Anodised
-
No
-
-
Aluminium
-
-
-
-
-
-
AAVID THERMALLOY Heatsink, Semiconductor, 16.8°C/W 11.18 mm 28.45 mm 19.05 mm
AAVID THERMALLOY Heatsink, Semiconductor, 16.8°C/W 11.18 mm 28.45 mm 19.05 mm
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RS Stock No.: 712-4207Brand: AAVID THERMALLOYManufacturers Part No.: 579302B00000G

€ 4.33

€ 0.866 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 0.866
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AAVID THERMALLOY
-
Semiconductor
Heatsink
28.45mm
-
-
19.05 mm
-
11.18mm
-
PCB Through Hole
-
16.8°C/W
-
-
11.18 mm
-
Black
-
Black Anodised
TO-220
RoHS
Semiconductor
-
Aluminium
-
-
-
Two Side Fins That Act as Springs to Hold the Semiconductor Firmly, Integrated Clip and Device Locking Catch
-
-
Fischer Elektronik Heatsink, 28.8°C/W 10 mm 15 mm 8 mm
Fischer Elektronik Heatsink, 28.8°C/W 10 mm 15 mm 8 mm
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RS Stock No.: 698-8136Brand: Fischer ElektronikManufacturers Part No.: FK 250 10 LF PAK

€ 9.38

€ 1.876 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 1.876
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Fischer Elektronik
-
-
Heatsink
15mm
-
-
8 mm
-
10mm
-
Solder
-
28.8°C/W
-
-
-
-
Silver
-
Black Anodised
SMD
No
-
-
-
-
-
-
-
-
-
AAVID THERMALLOY Heatsink, TO-220 packages, 24°C/W 8.8 mm 19 mm 20 mm
AAVID THERMALLOY Heatsink, TO-220 packages, 24°C/W 8.8 mm 19 mm 20 mm
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RS Stock No.: 712-4257Brand: AAVID THERMALLOYManufacturers Part No.: ML7G

€ 5.46

€ 1.091 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 1.091
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AAVID THERMALLOY
-
TO-220 packages
Heatsink
19mm
-
-
20 mm
-
8.8mm
-
Screw
-
24°C/W
-
-
-
-
Black
-
Black Anodised
TO-220
RoHS
Cooling
-
-
-
-
-
Narrow Base Low Profile Channel Style
-
-
AAVID THERMALLOY Heatsink, Electronic Components, PCBs, LEDs, 23°C/W 19 mm 19 mm 22 mm
AAVID THERMALLOY Heatsink, Electronic Components, PCBs, LEDs, 23°C/W 19 mm 19 mm 22 mm
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RS Stock No.: 268-105Brand: AAVID THERMALLOYManufacturers Part No.: PF752G

€ 41.74

€ 8.349 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 8.349
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AAVID THERMALLOY
-
Electronic Components, PCBs, LEDs
Heatsink
19mm
-
-
22 mm
-
19mm
-
PCB Through Hole
-
23°C/W
-
-
-
-
Black
-
-
TO-220
RoHS
Cooling
-
-
-
-
-
-
-
-
AAVID THERMALLOY Heatsink, 24.4°C/W 12.7 mm 19.05 mm 13.21 mm
AAVID THERMALLOY Heatsink, 24.4°C/W 12.7 mm 19.05 mm 13.21 mm
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RS Stock No.: 712-4302Brand: AAVID THERMALLOYManufacturers Part No.: 577202B00000G

€ 5.06

€ 1.01 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 1.01
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AAVID THERMALLOY
-
-
Heatsink
19.05mm
-
-
13.21 mm
-
12.7mm
-
-
-
24.4°C/W
-
-
2.92 mm
-
Black
-
Black Anodised
TO-220
RoHS
Cooling
-
Aluminium
-
-
-
slotted mounting hole, Solderable Tabs, recessed lower fins
-
-
SPREADFAST Heatsink, Universal Square Ceramic, 20.3°C/W, 38.7 °C/W 6 mm 19 mm 19 mm
SPREADFAST Heatsink, Universal Square Ceramic, 20.3°C/W, 38.7 °C/W 6 mm 19 mm 19 mm
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RS Stock No.: 123-5631Brand: SPREADFASTManufacturers Part No.: SF-CHS-191906-PC

€ 9.38

€ 1.876 Each (In a Pack of 5) (Exc. Vat)

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5

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5€ 1.876
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SPREADFAST
-
Universal Square Ceramic
Heatsink
19mm
-
-
19 mm
-
6mm
-
Adhesive, Screw
-
20.3, 38.7°C/W
-
-
-
Circular Pin Fin
White
-
-
-
RoHS
-
-
Aluminium Oxide
-
-
-
High Breakdown Voltage, Good Thermal Cycling Stability, Lower Density (When Compared With Metal Heat Sink Varieties), Good Heat Spreader, Good EMC, Ideal for Direct Metalisation, High Volume Resistivity
-
-
AAVID THERMALLOY Heatsink, TO-262, TO-220, 27.3°C/W 19.05 mm 19.05 mm 12.7 mm
AAVID THERMALLOY Heatsink, TO-262, TO-220, 27.3°C/W 19.05 mm 19.05 mm 12.7 mm
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RS Stock No.: 712-4223Brand: AAVID THERMALLOYManufacturers Part No.: 576802B04000G

€ 12.40

€ 2.48 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 2.48
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AAVID THERMALLOY
-
TO-262, TO-220
Heatsink
19.05mm
-
-
12.7 mm
-
19.05mm
-
Solder
-
27.3°C/W
-
-
0.40 mm
-
Black
-
Black Anodised
TO-220, TO-262
RoHS
Cooling
-
Aluminium
-
-
-
Solderable Mounting Tabs, Plug in Style, Spring Action Clips
-
-
AAVID THERMALLOY Heatsink, PCBs, Electronic Components, LEDs, 6.8°C/W 16 mm 32 mm 32 mm
AAVID THERMALLOY Heatsink, PCBs, Electronic Components, LEDs, 6.8°C/W 16 mm 32 mm 32 mm
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RS Stock No.: 402-995Brand: AAVID THERMALLOYManufacturers Part No.: 436402

€ 163.35

€ 16.335 Each (In a Pack of 10) (Exc. Vat)

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10

Available in multiples of 10
10€ 16.335
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AAVID THERMALLOY
-
PCBs, Electronic Components, LEDs
Heatsink
32mm
-
-
32 mm
-
16mm
-
Screw
-
6.8°C/W
-
-
-
-
Black
-
Black
TO-220
RoHS
Cooling
-
-
-
-
-
-
-
-
AAVID THERMALLOY Heatsink, TO-220 packages, 25.9°C/W 9.52 mm 13.21 mm 19.05 mm
AAVID THERMALLOY Heatsink, TO-220 packages, 25.9°C/W 9.52 mm 13.21 mm 19.05 mm
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RS Stock No.: 507-4753Brand: AAVID THERMALLOYManufacturers Part No.: 002504

€ 3.75

€ 0.751 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 0.751
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AAVID THERMALLOY
-
TO-220 packages
Heatsink
13.21mm
-
-
19.05 mm
-
9.52mm
-
-
-
25.9°C/W
-
-
-
-
Black
-
Black Anodised
TO-220
RoHS
-
-
-
-
-
-
-
-
-
AAVID THERMALLOY Heatsink, 1/8 Brick DC/DC Converter 22.9 mm 57.9 mm 22.9 mm
AAVID THERMALLOY Heatsink, 1/8 Brick DC/DC Converter 22.9 mm 57.9 mm 22.9 mm
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RS Stock No.: 712-4184Brand: AAVID THERMALLOYManufacturers Part No.: 241809B91200G

€ 4.66

€ 4.66 Each (Exc. Vat)

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1

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1€ 4.66
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AAVID THERMALLOY
-
1/8 Brick DC/DC Converter
Heatsink
57.9mm
-
-
22.9 mm
-
22.9mm
-
Screw
-
-
-
-
-
-
Black
-
-
DC-to-DC Eighth Brick
RoHS Compliant
DC Converter
-
-
-
-
-
Pre-Applied Interface Material, QPad3TM Interface Pad, Thin Fin Geometry, Optional Hardware Kit, High Fin Density
-
-
AAVID THERMALLOY Heatsink, Electronic Components, PCBs, LEDs, 9.9°C/W 22 mm 38 mm 28 mm
AAVID THERMALLOY Heatsink, Electronic Components, PCBs, LEDs, 9.9°C/W 22 mm 38 mm 28 mm
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RS Stock No.: 401-964Brand: AAVID THERMALLOYManufacturers Part No.: 400051

€ 112.53

€ 5.626 Each (In a Pack of 20) (Exc. Vat)

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20

Available in multiples of 20
20€ 5.626
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AAVID THERMALLOY
-
Electronic Components, PCBs, LEDs
Heatsink
38mm
-
-
28 mm
-
22mm
-
Screw
-
9.9°C/W
-
-
-
-
Black
-
Black
TO-220
RoHS
Cooling
-
-
-
-
-
-
-
-
Fischer Elektronik Heatsink, PCB mounting 19 mm 50 mm 21.45 mm
Fischer Elektronik Heatsink, PCB mounting 19 mm 50 mm 21.45 mm
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RS Stock No.: 674-4715Brand: Fischer ElektronikManufacturers Part No.: SK454 -50SA

€ 5.51

€ 5.51 Each (Exc. Vat)

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1

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1€ 5.51
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Fischer Elektronik
-
PCB mounting
Heatsink
50mm
-
-
21.45 mm
-
19mm
-
-
-
-
-
-
-
6
Black
-
Black Anodised
-
No
Heat Sink For Solid State Relay
-
-
-
-
-
Heatsink Special Design, Drilling Pattern for Solid State Relais, Special Profiles, Heatsink as Visual Decorparts, Weight Reduced Like 6, High Decorative Surfaces
-
-
AAVID THERMALLOY Heatsink, TO-3 packages, 5.5°C/W 33.27 mm 46.48 mm 46.48 mm
AAVID THERMALLOY Heatsink, TO-3 packages, 5.5°C/W 33.27 mm 46.48 mm 46.48 mm
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RS Stock No.: 402-973Brand: AAVID THERMALLOYManufacturers Part No.: 002193

€ 87.12

€ 8.712 Each (In a Pack of 10) (Exc. Vat)

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10

Available in multiples of 10
10€ 8.712
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AAVID THERMALLOY
-
TO-3 packages
Heatsink
46.48mm
-
-
46.48 mm
-
33.27mm
-
PCB Through Hole
-
5.5°C/W
-
-
-
-
Black
-
Anodised
TO-3
RoHS
Cooling
-
-
-
-
-
Folded back fins
-
-
AAVID THERMALLOY Heatsink, PCBs, LEDs, Electronic Components, 11.4°C/W 25 mm 25 mm 12.5 mm
AAVID THERMALLOY Heatsink, PCBs, LEDs, Electronic Components, 11.4°C/W 25 mm 25 mm 12.5 mm
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RS Stock No.: 403-162Brand: AAVID THERMALLOYManufacturers Part No.: 437856

€ 18.15

€ 1.815 Each (In a Pack of 10) (Exc. Vat)

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10

Available in multiples of 10
10€ 1.815
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AAVID THERMALLOY
-
PCBs, LEDs, Electronic Components
Heatsink
25mm
-
-
12.5 mm
-
25mm
-
Solder
-
11.4°C/W
-
-
-
-
Black
-
Black
TO-247, TO-218, TO-220
RoHS
Cooling
-
-
-
-
-
-
-
-

...