Heatsinks

Heat sinks are a type of thermal conductor (or heat exchanger) that absorb and dissipate the heat created by electronic and mechanical devices. Heat sinks use convection, conduction or radiation to disperse heat.


What are heat sinks made of?


Heat sinks are made from metal and typically constructed from copper or aluminium. Copper is an excellent thermal conductor, helping to draw heat away from the device that you are trying to cool. Although aluminium doesn’t conduct heat as well as copper, it is less expensive and lighter than copper. The heat will normally rise through a number of metal fins. Fin designs are used as they provide a greater surface area for the heat to spread across and dissipate.


What would you use a heat sink for?


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.


What devices can you use heat sinks for?


Heat sinks can be used to cool a large number of devices. For example, CPUs, LEDs, ICs and modules.


What is the difference between a heat sink and cooling fan?


Heat sinks are a piece of metal that conducts heat away from components. Fans forcibly move warm air away from components.


Terminology


A wide variety of heat sinks are available. Passive heat sinks refer to those without a fan, while the term ’active heat sinks’ refer to those with an integrated fan. You may also come across the term HSF which means a heat sink with a fan. Some heat sinks can also be combined with a liquid cooling solution to move heat away from devices. Heat sinks are also frequently spelt as ’heatsinks’.


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Beskrivning Pris For Use With Length Width Height Dimensions Thermal Resistance Mounting Diameter Colour Application Finish Material Package Type Series
RS-artikelnummer 780-5893
Tillv. art.nrILA-HSINK-STAR-50X20MM-BLK-K
134,19 kr
Each
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Dragon 1, Duris 1, Duris 4, Oslon 1, Oslon 4, Stanley 1, Stanley 4 - - 20mm 50 (Dia.) x 20mm - Screw 50mm Black - - - LED -
RS-artikelnummer 750-0888
Tillv. art.nrBGA STD 010
VarumärkeABL Components
14,314 kr
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- 13mm 13.5mm 10mm 13 x 13.5 x 10mm 27K/W Adhesive Foil - Black - - - BGA -
RS-artikelnummer 189-8145
Tillv. art.nrSK129-38,1-STS-220
VarumärkeFischer Elektronik
28,02 kr
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- 38.1mm 42mm 25mm 38.1 x 42 x 25mm 5K/W Clip - Black - - - - -
RS-artikelnummer 867-9039
Tillv. art.nrRPI-COOLINGKIT.9
VarumärkeOKW Enclosures
36,97 kr
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Banana Pi BPI-M1, Banana Pi BPI-M1+, Banana Pi BPI-M2 Berry, Banana Pi BPI-M2+, Raspberry Pi® 2 B, Raspberry Pi® 3 A+, Raspberry Pi® 3 B, Raspberry Pi® 3 B+, Raspberry Pi® 4 B, Raspberry Pi® A, Raspberry Pi® A+, Raspberry Pi® B, Raspberry Pi® B+ 8.5 mm, 19 mm 6.35 mm, 19 mm 5mm - - - - Black - - - - -
RS-artikelnummer 674-4838
Tillv. art.nrICK S 50x50x25
VarumärkeFischer Elektronik
127,38 kr
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Universal Square Alu 50mm 50mm 25mm 50 x 50 x 25mm 2.4K/W Adhesive Foil, Conductive Foil - - - - - - -
RS-artikelnummer 712-4279
Tillv. art.nr6396BG
VarumärkeAAVID THERMALLOY
58,866 kr
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- 25.4mm 41.91mm 25.4mm 25.4 x 41.91 x 25.4mm 5.6°C/W - - Black - - - TO-218, TO-220, TO-247 -
RS-artikelnummer 920-9427
Tillv. art.nrILA-HSINK-RADL-120X150MM-BLK
498,96 kr
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SCOB - - 150mm - - - 120mm - - - - LED -
RS-artikelnummer 189-8583
Tillv. art.nrSK13-35-SA-22
VarumärkeFischer Elektronik
13,63 kr
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- 35mm 17mm 13mm 35 x 17 x 13mm 17K/W Clip, Screw - Black - - - TO-220 -
RS-artikelnummer 722-6892
Tillv. art.nrSK 481/84 SA
VarumärkeFischer Elektronik
47,67 kr
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- 84mm 30mm 45mm 84 x 30 x 45mm 3K/W Clip - Black - - - - -
RS-artikelnummer 722-6868
Tillv. art.nrSK 575/84 SA
VarumärkeFischer Elektronik
40,84 kr
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- 84mm 6mm 50mm 84 x 6 x 50mm 5K/W Clip - Black - - - - -
RS-artikelnummer 123-5628
Tillv. art.nrSF-CHS-131306-PC
VarumärkeSPREADFAST
9,414 kr
Each (In a Pack of 5)
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Universal Square Ceramic 13mm 13mm 6mm 13 x 13 x 6mm 33.4 °C/W @ 400 lfm, 58.9 °C/W @ 100 lfm Adhesive, Screw - White Chipset, Cooling, IC Cooling, LED, Metal Heat Sink Replacement, Power Modules - - - Ceramic Heat Spreader Circular Pin Fin
RS-artikelnummer 189-8117
Tillv. art.nrSK104-50,8-STS-220
VarumärkeFischer Elektronik
22,05 kr
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- 50.8mm 34.9mm 12.7mm 50.8 x 34.9 x 12.7mm 9K/W Clip - Black - - - TO-220 -
RS-artikelnummer 903-3107
Tillv. art.nr177AB2000B
VarumärkeABL Components
1 130,20 kr
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Universal Rectangular Alu 200mm 300mm 83mm 200 x 300 x 83mm 0.07°C/W PCB Mount - - High Power Semiconductor Device, Optoelectronic Device Anodized Aluminium - 100
RS-artikelnummer 789-8586
Tillv. art.nrPPL0750B
VarumärkeABL Components
58,79 kr
Each
Enheter
- 75mm 50mm 28mm 75 x 50 x 28mm 3.7°C/W Screw - Black - - - TO-220 -
RS-artikelnummer 712-4194
Tillv. art.nr576802B00000G
VarumärkeAAVID THERMALLOY
3,148 kr
Each (In a Pack of 5)
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- 19.05mm 14.48mm 12.7mm 12.7 x 14.48 x 19.05mm 27.3°C/W Clip - Black - Black Anodized - TO-220, TO-262 -
RS-artikelnummer 504-0700
Tillv. art.nrICKBGA21X21
VarumärkeFischer Elektronik
22,05 kr
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Universal Square Alu 21mm 21mm 6mm 21 x 21 x 6mm 24.3 → 8K/W Conductive Adhesive, Conductive Foil - Black - - - BGA -
RS-artikelnummer 920-9423
Tillv. art.nrILA-HSINK-RADL-100X80MM-BLK
368,18 kr
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SCOB - - 80mm - - - 100mm - - - - LED -
RS-artikelnummer 920-9433
Tillv. art.nrILA-HSINK-RADL-70X70MM-BLK
342,40 kr
Each
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SCOB - - 70mm - - - 70mm - - - - LED -
RS-artikelnummer 507-5122
Tillv. art.nrOS461/B/150
VarumärkeAAVID THERMALLOY
233,69 kr
Each
Enheter
Universal Rectangular Alu 150mm 100mm 40mm 150 x 100 x 40mm 0.86K/W - - Black - - - - -
RS-artikelnummer 189-8101
Tillv. art.nrSK104-38,1-STS-220
VarumärkeFischer Elektronik
22,05 kr
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- 38.1mm 34.9mm 12.7mm 38.1 x 34.9 x 12.7mm 11K/W Clip - Black - - - TO-220 -
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