The 28S15.13GX from Calex Manufacturing is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 15 V, Output Current 1 13.33 A, Output Power 200 W, Isolation Voltage 1.544 kV. Tags: PCB Mount, Buck/Step down. More details for 28S15.13GX can be seen below.