This part is a kind of semiconductor called MG4010.

Function of this product has X-Band Magnetron.

Manufacturers : E2V Technologies

Image and pinout :

Some of the text within the PDF file :

E2V Technologies MG4010 X-Band Magnetron The data should be read in conjunction with the Magnetron Preamble. ABRIDGED DATA Compact, rugged, lightweight, fixed frequency pulse magnetron with very low levels of unwanted emissions. Operating frequency . . . . . . 9410 + 30 MHz Typical peak output power . . . . . . 12.5 kW Magnet . . . . . . . . . . . . . . . integral Cooling . . . . . . . . . conduction and natural GENERAL Electrical Cathode . . . . . . . . . . . . indirectly heated Heater voltage (see note 1) . . . . . . . 6.3 V Heater current at 6.3 V (see note 2) . . . . 0.55 A Cathode pre-heating time (minimum) (see note 3) . . . . . . . . . . 60 s Input capacitance . . . . . . . . . . 8.0 pF max Temperature coefficient of frequency . . . . see note 4 Mechanical Over [ ... ]

MG4010 PDF Datasheet Download