If your microwave is shutting off unexpectedly or overheating, it may be time to replace the thermostat. This genuine Samsung DE47-20005A thermostat is a safety device designed for various Samsung microwave models. Always considering safety first, remember that microwaves contain high-voltage capacitors that can retain an electrical charge even when unplugged, so caution is advised when handling. Before purchasing, verify your appliance's model number for compatibility.