FIELD: instrument making.
SUBSTANCE: invention can be used to produce a power supply unit. Invention consists in that power supply comprising power transistors and control components for controlling power transistors and cooled by conduction, wherein power supply further comprises: a main board of type AMB/Si3N4, carrying power transistors, wherein main board is a heat dissipating plate for dissipating heat generated by power transistors, by means of their location in block in direct contact with a carrier structure providing cooling by conduction, when unit is installed in its place; and a ceramic board carrying control components and ceramic board is mounted on main board.
EFFECT: technological result is reducing number of components of unit, higher reliability, reduction of weight, increased compactness.
6 cl, 9 dwg
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