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The FET's are sandwiched between the underside of the PCB and the metal base-plate (heat-sink), so the back of the module is just the base-plate. Even removing the base-plate would only show the back of the FET's, not the part numbers. If that is what you are after, you would need to de-solder them from the board.
The FET's are sandwiched between the underside of the PCB and the metal base-plate (heat-sink), so the back of the module is just the base-plate. Even removing the base-plate would only show the back of the FET's, not the part numbers. If that is what you are after, you would need to de-solder them from the board