The TKA30C-B from Mean Well is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 12 V, Output Current 1 62 to 310 mA, Output Power 25000 mW, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for TKA30C-B can be seen below.