heat sink
Noun
Meaning
a metal conductor specially designed to conduct (and radiate) heat
Source: WordNetSynonyms
Antonyms
Hypernyms
Examples
A common engineering design problem involves the selection of an appropriate sized heat sink for a given heat source.
A CPU socket provides many functions, including a physical structure to support the CPU, support for a heat sink, facilitating replacement (as well as reducing cost), and most importantly, forming an electrical interface both with the CPU and the PCB.
Additionally, research has developed heat sink technologies that will transfer heat produced within the junction to appropriate areas of the light fixture.
According to the data sheet, shown by jthendean, the motor driver will push supply 21A continuously if you can affix a heat sink to it.
An adequate heat sink is needed to maintain long life.
It can be convenient to use the cistern as a heat sink or trap for a heat pump or air conditioning system; however this can make cold drinking water warm, and in drier years may decrease the efficiency of the HVAC system.