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DC/DC Converters for Semiconductor Devices and Diverse Energy Applications

QA-R3G Series
QA-R3G Series

MORNSUN has introduced the QA-R3G family of DC/DC converters designed specifically for IGBT/SIC MOSFET drivers. It addresses the evolving demands of semiconductor devices, particularly in the context of IGBT/SIC MOSFETs used in EV charging and PV systems. Its features, including high isolation voltage, long-term insulation capabilities, and improved performance, make it a reliable choice for diverse applications within the evolving energy industry.

The QA-R3G Series of DC/DC converters is applicable across various sectors, its versatility extends to industrial motor drives, inverter systems, power supplies for electronics, energy storage systems, renewable energy inverters, industrial automation, and uninterruptible power supplies (UPS). Designed to meet the demands of semiconductor devices, particularly in the context of efficient and controlled operations, the QA-R3G Series plays a role in ensuring stable and reliable performance in different fields where precise driving of IGBT/SIC MOSFETs is essential.


QA-R3G Series:

  • Ultra-small SIP package
  • Ultra-low isolation capacitance: 3.5pF (typ.)
  • Isolation voltage: 5000VAC (reinforced insulation)
  • CMTI (Common Mode Transient Immunity): >200kV/μs
  • Max. Capacitive Load: 2200µF

QA T-R3G Series: 

  • SMD package
  • Ultra-low isolation capacitance 2.5pF (typ.) 
  • Partial discharge: 2500V
  • Operating temperature range: -40°C to +105°C
  • High Efficiency upto86%


  • Electric vehicle
  •  PV industry
  • Power electronics applications 
  • Inverter systems
  • Power supply systems
  • Energy storage systems
  • Industrial Automation

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