Stepper driver ICs like the A4988 and DRV8825 generate significant heat above 0.8 A. Without cooling, thermal overload protection triggers at around 150 °C, shutting down the stepper and halting your print.
Alu Heatsink Heat Sink Cooling Fin Cooler Heatsink Heat Management Various Sizes
Alu Heatsink Heat Sink Cooling Fin Cooler Heatsink Length 200MM-300MM
Alu Heatsink Heat Sink Cooling Fin Cooler Heatsink Length 60MM-100MM
