The PUC0512S2B from Flex Power Modules is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 12 V, Output Current 1 0.17 A, Output Power 2000 mW, Isolation Voltage 6000 Vdc. Tags: Through Hole, Boost/Step Up. More details for PUC0512S2B can be seen below.