The Frigidaire MD-103AMR-1 Transformer, High Voltage, 120V, 60Hz, Microwave is a genuine OEM replacement part that powers the magnetron and high-voltage system in your microwave. This transformer converts household electrical current into the high voltage necessary to generate microwave energy for cooking. If your microwave runs but does not heat food, a faulty transformer may be the cause?replacing it restores safe and reliable heating performance. Key Features OEM Frigidaire replacement part for guaranteed compatibility Converts 120V / 60Hz household power into high voltage Supplies power to the magnetron for cooking Built to manufacturer safety and performance standards Durable construction for long-lasting use Specifications Part Number: MD-103AMR-1 Type: High-Voltage Transformer Voltage: 120V, 60Hz Appliance: Microwave Brand: Frigidaire Function: Powers the magnetron by converting standard voltage to high voltage Compatible Models FPBM3077RFC FGMC3066UFB FGMC2766UFB FGMC3066UDB 90542705 10466003 70542706 90466004 Why Choose This Item The Frigidaire MD-103AMR-1 High-Voltage Transformer ensures your microwave delivers consistent heating performance, OEM-tested safety, and reliable operation. With a precise fit and manufacturer-approved quality, this replacement part is the best solution to restore your microwave to peak working condition.