The QMJ20H24S24 from Calex Manufacturing is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 24 V, Output Current 1 835 mA, Output Power 20 W, Isolation Voltage 1.5 kV. Tags: Through Hole, Buck-Boost. More details for QMJ20H24S24 can be seen below.