The 171930601 from Wurth Elektronik is a DC to DC Converter with Input Voltage 3.5 to 36 V, Output Voltage 1 1 to 6 V, Output Current 1 0.3 A, Operating Temperature -40 to 105 Degree C, Storage Temperature -40 to 125 Degree C. Tags: Surface Mount, Buck/Step down. More details for 171930601 can be seen below.