The PRM1W-E12-D12-S from CUI is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 12 V, Output Current 1 42 mA, Output Power 1000 mW, Output Voltage 2 -12 V. Tags: Surface Mount, Buck-Boost. More details for PRM1W-E12-D12-S can be seen below.