The 36WRB2403S-3WR2 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 3.3 V, Output Current 1 38 to 758 mA, Output Power 3000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck/Step down. More details for 36WRB2403S-3WR2 can be seen below.