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...

Showing 1-20 of 468 products

Filter

Sort

Filter

Sort

Relevance
Price (high-low)
Price (low-high)
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
Add to parts list
RS Stock No.: 263-251Brand: RS PRO

€ 20.46

€ 2.046 Each (In a Pack of 10) (Exc. Vat)

Check stock

10

Available in multiples of 10
10€ 2.046
Add to basket
RS Pro
-
Heatsink
Cooling Electronics as a Heat Sink
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
Add to parts list
RS Stock No.: 789-8582Brand: RS PRO

€ 7.94

€ 7.94 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 7.94
Add to basket
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
Add to parts list
RS Stock No.: 274-0269Brand: RS PRO

€ 12.65

€ 12.65 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 12.65
Add to basket
RS Pro
-
Heatsink
LED Lighting, Universal
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
Add to parts list
RS Stock No.: 274-0270Brand: RS PRO

€ 15.62

€ 15.62 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 15.62
Add to basket
RS Pro
-
Heatsink
LED Lighting, Universal
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
Add to parts list
RS Stock No.: 274-0271Brand: RS PRO

€ 18.23

€ 18.23 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 18.23
Add to basket
RS Pro
-
Heatsink
LED Lighting, Universal
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
Add to parts list
RS Stock No.: 274-0272Brand: RS PRO

€ 9.55

€ 9.55 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 9.55
Add to basket
RS Pro
-
Heatsink
LED Lighting, Universal
50mm
-
35 mm
-
-
35mm
-
-
Vertical
1.224°C/W
-
-
-
-
-
-
Black Anodised
-
No
-
-
Aluminium
-
-
-
-
-
-
Allen Bradley Heatsink, used with 700-SH, 0.5°C/W 70 mm 250 mm 100 mm
Allen Bradley Heatsink, used with 700-SH, 0.5°C/W 70 mm 250 mm 100 mm
Add to parts list
RS Stock No.: 265-779Brand: Allen BradleyManufacturers Part No.: 700-SN50VHC

€ 292.64

€ 292.64 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 292.64
Add to basket
Allen Bradley
-
Heatsink
used with 700-SH
250mm
-
100 mm
-
-
70mm
-
-
Panel Mount
0.5°C/W
-
-
-
700
-
-
-
-
RoHS
Cooling
-
-
-
-
-
-
-
-
Allen Bradley Heatsink, used with 700-SH, 0.6°C/W 65 mm 230 mm 100 mm
Allen Bradley Heatsink, used with 700-SH, 0.6°C/W 65 mm 230 mm 100 mm
Add to parts list
RS Stock No.: 265-778Brand: Allen BradleyManufacturers Part No.: 700-SN50HC

€ 199.64

€ 199.64 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 199.64
Add to basket
Allen Bradley
-
Heatsink
used with 700-SH
230mm
-
100 mm
-
-
65mm
-
-
Panel Mount
0.6°C/W
-
-
-
700
-
-
-
-
RoHS
Cooling
-
-
-
-
-
-
-
-
Allen Bradley Heatsink, used with 700-SH, 0.8°C/W 55 mm 220 mm 100 mm
Allen Bradley Heatsink, used with 700-SH, 0.8°C/W 55 mm 220 mm 100 mm
Add to parts list
RS Stock No.: 265-776Brand: Allen BradleyManufacturers Part No.: 700-SN50

€ 157.48

€ 157.48 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 157.48
Add to basket
Allen Bradley
-
Heatsink
used with 700-SH
220mm
-
100 mm
-
-
55mm
-
-
Panel Mount
0.8°C/W
-
-
-
700
-
-
-
-
RoHS
Cooling
-
-
-
-
-
-
-
-
Allen Bradley Heatsink, used with 700-SH, 1.2°C/W 45 mm 172 mm 80 mm
Allen Bradley Heatsink, used with 700-SH, 1.2°C/W 45 mm 172 mm 80 mm
Add to parts list
RS Stock No.: 265-775Brand: Allen BradleyManufacturers Part No.: 700-SN25

€ 73.16

€ 73.16 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 73.16
Add to basket
Allen Bradley
-
Heatsink
used with 700-SH
172mm
-
80 mm
-
-
45mm
-
-
Panel Mount
1.2°C/W
-
-
-
700
-
-
-
-
RoHS
Cooling
-
-
-
-
-
-
-
-
Allen Bradley Heatsink, used with 700-SH, 1.4°C/W 35 mm 145 mm 55 mm
Allen Bradley Heatsink, used with 700-SH, 1.4°C/W 35 mm 145 mm 55 mm
Add to parts list
RS Stock No.: 265-773Brand: Allen BradleyManufacturers Part No.: 700-SN10

€ 50.96

€ 50.96 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 50.96
Add to basket
Allen Bradley
-
Heatsink
used with 700-SH
145mm
-
55 mm
-
-
35mm
-
-
Panel Mount
1.4°C/W
-
-
-
700
-
-
-
-
RoHS
Cooling
-
-
-
-
-
-
-
-
Eaton Heatsink, Eaton xEnergy Main 37 mm 100 mm 120 mm
Eaton Heatsink, Eaton xEnergy Main 37 mm 100 mm 120 mm
Add to parts list
RS Stock No.: 247-348Brand: EatonManufacturers Part No.: 167566 XACP1K100

€ 205.84

€ 205.84 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 205.84
Add to basket
Eaton
-
Heatsink
Eaton xEnergy Main
100mm
-
120 mm
-
-
37mm
-
-
Surface Mount
-
-
-
100 mm
-
Black
-
-
-
RoHS
Cooling
-
Metal
-
-
-
-
-
-
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
Add to parts list
RS Stock No.: 712-4207Brand: AAVID THERMALLOYManufacturers Part No.: 579302B00000G

€ 4.44

€ 0.888 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 0.888
Add to basket
AAVID THERMALLOY
-
Heatsink
Semiconductor
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
Add to parts list
RS Stock No.: 698-8136Brand: Fischer ElektronikManufacturers Part No.: FK 250 10 LF PAK

€ 9.61

€ 1.922 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 1.922
Add to basket
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
Add to parts list
RS Stock No.: 712-4257Brand: AAVID THERMALLOYManufacturers Part No.: ML7G

€ 5.59

€ 1.118 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 1.118
Add to basket
AAVID THERMALLOY
-
Heatsink
TO-220 packages
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
Add to parts list
RS Stock No.: 268-105Brand: AAVID THERMALLOYManufacturers Part No.: PF752G

€ 42.78

€ 8.556 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 8.556
Add to basket
AAVID THERMALLOY
-
Heatsink
Electronic Components, PCBs, LEDs
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
Add to parts list
RS Stock No.: 712-4302Brand: AAVID THERMALLOYManufacturers Part No.: 577202B00000G

€ 5.18

€ 1.035 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 1.035
Add to basket
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
Add to parts list
RS Stock No.: 123-5631Brand: SPREADFASTManufacturers Part No.: SF-CHS-191906-PC

€ 9.61

€ 1.922 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 1.922
Add to basket
SPREADFAST
-
Heatsink
Universal Square Ceramic
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
Add to parts list
RS Stock No.: 712-4223Brand: AAVID THERMALLOYManufacturers Part No.: 576802B04000G

€ 12.71

€ 2.542 Each (In a Pack of 5) (Exc. Vat)

Check stock

5

Available in multiples of 5
5€ 2.542
Add to basket
AAVID THERMALLOY
-
Heatsink
TO-262, TO-220
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
Add to parts list
RS Stock No.: 402-995Brand: AAVID THERMALLOYManufacturers Part No.: 436402

€ 167.40

€ 16.74 Each (In a Pack of 10) (Exc. Vat)

Check stock

10

Available in multiples of 10
10€ 16.74
Add to basket
AAVID THERMALLOY
-
Heatsink
PCBs, Electronic Components, LEDs
32mm
-
32 mm
-
-
16mm
-
-
Screw
6.8°C/W
-
-
-
-
Black
-
Black
TO-220
RoHS
Cooling
-
-
-
-
-
-
-
-

...