GE Microwave Capacitor (WB27X10011)

The GE Microwave Capacitor stores and releases a high-voltage electrical charge that powers the magnetron, which is the component responsible for generating the microwaves that heat your food. It works alongside the diode and high-voltage transformer to deliver the energy needed for cooking, and without it functioning correctly, the magnetron cannot operate.

The GE Microwave Capacitor can fail due to electrical surges, age-related breakdown of internal materials, or repeated exposure to heat inside the microwave cavity. A faulty capacitor may cause the microwave to stop heating entirely or produce unusual sounds, and it can also pose a safety risk since capacitors store a charge even after the unit is unplugged.

Watch for these symptoms to help determine if the capacitor is the source of your microwave problem:

- Microwave runs but does not heat food at all

- Loud humming or buzzing sound during operation

- Microwave trips the circuit breaker or blows a fuse

- Burning smell coming from inside the microwave

- Microwave stops working suddenly with no obvious cause

- Sparking or arcing visible inside the cavity during use

- Microwave powers on but shuts off immediately