The QMJ20H24D12 from Calex Manufacturing is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 12 V, Output Current 1 835 mA, Output Power 20 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck-Boost. More details for QMJ20H24D12 can be seen below.