Contech's QMJ Series DC/DC Converter

June 9, 2011
20-Watt 1 in. by 1 in. DC/DC Converter with a 4:1 Input

The "QMJ" Series of DC/DC converters offers up to 20 Watts of fully regulated output power. The series offers a 4:1 input range with nominal input voltages of 24VDC and 48VDC. Single outputs offered are 3.3, 5, 12, and 15VDC. Dual outputs are  +/-12 and +/-15VDC. The footprint used on the 1 in. by 1 in. package. The QMJ Series operates with efficiencies as high as 90%. Features include Remote On/Off, Output Trim, and Short Circuit Protection. The operating ambient temperature range of the QMJ is  -40 to +70°C with no de-rating. The unit is encapsulated with a thermally conductive potting compound in a six-sided metal case for improved thermal performance in still air environments. The QMJ series is RoHS compliant.

To view a complete data sheet of the QMJ series go to