The 36E1209S-2WR2 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 9 V, Output Current 1 11 to 111 mA, Output Power 2000 mW, Output Voltage 2 -9 V. Tags: Through Hole, Buck/Step down. More details for 36E1209S-2WR2 can be seen below.