The MEE1S1509DC from Murata is a DC to DC Converter with Input Voltage 13.5 to 16.5 V, Output Voltage 1 9 V, Output Current 1 111 mA, Output Power 1 W, Isolation Voltage 1000 V. Tags: Through Hole, Buck/Step down. More details for MEE1S1509DC can be seen below.