RQ72120QMx04 DC-DC Converter







Continuous Input

Transient Input


Max Power


DC-DC Converter

Product Details

The RailQor® quarter-brick converter series is composed of next-generation, board-mountable, isolated (REINFORCED), fixed switching frequency dc-dc converters that use synchronous rectification to achieve extremely high power conversion efficiency, even at low output power levels. Power dissipation is so low that no heatsink is necessary to operate at full power at 85°C in an enclosed environment without airflow. Each module is supplied completely encased to provide protection from the harsh environments seen in many industrial and transportation applications.

Operational Features

►High efficiency, 92% at full rated load current
►Delivers full power with minimal derating - no heatsink required
►Operating input voltage range: 42-110V
►Fixed frequency switching provides predictable EMI
►No minimum load requirement
►Meets requirements of standard EN50155

Mechanical Features

►Industry standard Quarter-brick pin-out configuration
►Size: 2.386” x 1.536” x 0.500” (60.60 x 39.01 x 12.70 mm)
►Weight: 2.9 oz. (84 g)
►Flanged baseplate version available

Control Features

►On/Off control referenced to input side
►Remote sense for the output voltage
►Output voltage trim range of -20%, +10%

Safety Features

Reinforced Insulation
► Input-to-output isolation 3000V
► UL 60950-1
► CAN/CSA C22.2 No. 60950-1
► EN 60950-1
► EN45545-2 R24/R25 Compliant
► CE Marked
► RoHS compliant (see last page)

Protection Features

►Input under-voltage lockout
►Output current limit and short circuit protection
►Active back bias limit
►Output over-voltage protection
►Thermal shutdown