The 171023801 from Wurth Elektronik is a DC to DC Converter with Input Voltage 3.5 to 38 V, Output Voltage 1 0.85 to 13 V, Output Current 1 2 A, Operating Temperature -40 to 105 Degree C, Storage Temperature -40 to 125 Degree C. Tags: Surface Mount, Buck/Step down. More details for 171023801 can be seen below.