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    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 The heat sink is designed with an internal thermal conductor that carries heat away into fins that provide a large surface area for the heat to dissipate throughout the rest of the component, subsequently cooling both the heat sink and the electrical appliance.

    How do Heat Sinks work?

    A heat sink transfers thermal energy from a higher-temperature device to a lower-temperature fluid (usually air), acting as a heat reservoir that can absorb an amount of heat without too much variation in it's core temperature. For this reason they are commonly used as CPU coolers in personal computer systems.

    Heat Sinks achieve the dispersal of heat by increasing the device's working surface area and the quantity of low-temperature fluid that moves across its enlarged surface area.

    The basic flow of Heat sinks is as follows:

    • The source generates heat as the waste product of energy creation is usually heat.
    • The heat dissipates from the source.
    • The heat is captured and distributed throughout the heat sink.
    • Heat is then from the heat sink

    What are heat sinks made of?

    The materials for heat sinks need to have high heat capacity and thermal conductivity so as to heat energy without becoming too warm itself. The most common heat sink materials are 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 which are used because they provide a greater surface area for the heat to spread across and dissipate.

    Applications for Heat Sinks include:

    Heat sinks can be used to cool a large number of devices such as:

    • Personal Computers
    • Forced Air Heating
    • Solar thermal Water Systems
    • Electronic Systems
    • Gas Water Heaters

    They possess some key features including

    • Extremely long life
    • High performance
    • Durable
    • Convenient
    • Safe

    Browse the broad range of Heat Sinks RS have to offer and order today for next day delivery.

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    Length
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    RS PRO
    Universal Rectangular Alu
    200mm
    160mm
    40mm
    200 x 160 x 40mm
    0.55K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    Fischer Elektronik
    -
    50.8mm
    34.9mm
    12.7mm
    50.8 x 34.9 x 12.7mm
    9K/W
    Clip
    -
    Black
    -
    -
    -
    TO-220
    Fischer Elektronik
    Universal Square Alu
    14mm
    14mm
    6mm
    14 x 14 x 6mm
    29K/W
    Adhesive Foil, Conductive Foil
    -
    Black
    -
    -
    Aluminium
    BGA
    Fischer Elektronik
    Universal Rectangular Alu
    200mm
    200mm
    25mm
    200 x 200 x 25mm
    1.65 → 0.7K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    Fischer Elektronik
    -
    26mm
    13mm
    10mm
    26 x 13 x 10mm
    22.8K/W
    Solder
    -
    Silver
    -
    -
    -
    -
    Fischer Elektronik
    Universal Rectangular Alu
    150mm
    100mm
    40mm
    150 x 100 x 40mm
    1K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    Fischer Elektronik
    Universal Rectangular Alu
    75mm
    200mm
    25mm
    75 x 200 x 25mm
    1.4K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    Fischer Elektronik
    -
    19mm
    13.5mm
    9.5mm
    19 x 13.5 x 9.5mm
    24K/W
    Screw
    -
    Black
    -
    -
    -
    TO-220
    Fischer Elektronik
    -
    100mm
    11.8mm
    8mm
    100 x 11.8 x 8mm
    18.5K/W
    -
    -
    Black
    -
    -
    -
    -
    Fischer Elektronik
    Universal Rectangular Alu
    150mm
    200mm
    25mm
    150 x 200 x 25mm
    0.7K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    AAVID THERMALLOY
    -
    14.99mm
    25.91mm
    9.52mm
    14.99 x 25.91 x 9.52mm
    15K/W
    PCB Surface Mount
    -
    -
    -
    -
    -
    -
    Fischer Elektronik
    -
    75mm
    50mm
    40mm
    75 x 50 x 40mm
    2.4K/W
    -
    -
    Black
    -
    -
    -
    -
    Fischer Elektronik
    -
    37.5mm
    52.3mm
    28mm
    37.5 x 52.3 x 28mm
    5K/W
    Clip
    -
    Black
    -
    -
    -
    -
    Intelligent LED Solutions
    Dragon 1, Duris 1, Duris 4, Oslon 1, Oslon 4, Stanley 1, Stanley 4
    -
    -
    20mm
    50 (Dia.) x 20mm
    -
    Screw
    50mm
    Black
    -
    -
    -
    LED
    Fischer Elektronik
    Universal Square Alu
    100mm
    100mm
    40mm
    100 x 100 x 40mm
    1K/W
    -
    -
    Black
    -
    -
    Aluminium
    -
    Fischer Elektronik
    -
    38.1mm
    42mm
    25mm
    38.1 x 42 x 25mm
    5K/W
    Clip
    -
    Black
    -
    -
    -
    -
    AAVID THERMALLOY
    1/8 Brick DC/DC Converter
    57.9mm
    22.9mm
    11.4mm
    57.9 x 22.9 x 11.4mm
    -
    Screw
    -
    -
    -
    -
    -
    -
    Fischer Elektronik
    -
    50mm
    46mm
    33mm
    50 x 46 x 33mm
    4.8K/W
    Screw
    -
    Black
    -
    -
    -
    TO-220
    Fischer Elektronik
    Universal Square Alu
    21mm
    21mm
    6mm
    21 x 21 x 6mm
    24.3 → 8K/W
    Conductive Adhesive, Conductive Foil
    -
    Black
    -
    -
    Aluminium
    BGA
    AAVID THERMALLOY
    -
    12.8mm
    35mm
    25.4mm
    12.8 x 35 mm x 25.4mm
    13.4K/W
    Solder
    -
    Black
    -
    -
    -
    TO-220
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