When your microwave stops heating, a faulty diode may be to blame. This genuine Midea diode (17470000001009) is compatible with several Midea microwave models, including 1.2 CU. FT. 1200W and 1800W push-button commercial microwaves, and over-the-range microwaves. Ensure your microwave operates efficiently with this essential component. Verify your microwave's model number for compatibility before purchasing.