Panasonic original magnetron type 2m261 m22 this magnetron is commonly used in many panasonic inverter models though may be found in other manufacturers ovens as well this magnetron is an offline version ie the airflow and electrical connecors are perpendicular 90 degrees offset if the magnetron looks the same as your old type then it will probably work though check the configuration carefully and compare to the new one the airflow and terminal orientation must be exact for panasonic ove