The PQMC3-D12-S3-S from CUI is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 3.3 V, Output Current 1 758 mA, Output Power 2500 mW, Isolation Voltage 1500 VDC. Tags: Surface Mount, Buck/Step down. More details for PQMC3-D12-S3-S can be seen below.