1) Two DTC124E chips in a EMT or UMT or SMT package. !Circuit schematic EMG1 / UMG1N (3) (2) (1) FMG1A (3) (4) (5) EMH1 / UMH1N (3) (2) (1) IMH1A (4) (5) (6) UMH5N (3) (2) (1) IMH5A (4) (5) (6) .