The PEM1-S24-D15-S from CUI is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 15 V, Output Current 1 4 to 33 mA, Output Power 1000 mW, Output Voltage 2 -15 V. Tags: SIP, Buck/Step down. More details for PEM1-S24-D15-S can be seen below.