Recom international smd single output dcdc converter r 78aa 10 series recom r 78aa50 10smd a recom r 78aa50 10 smd dc to dc converter that has been manufactured without lead and meets the requirements for rohs 66 the increased reflow soldering temperatures associated with vapour phase soldering make this high efficiency switching regulator ideally suited for modern pick and place mass production the r 78aa50 10 is supplied with an input voltage of 65 to 18v dc and an output volt