MINMAX website use cookie. If you continue to use this site, you agree to the use of cookies. For more about cookie, please visit our privacy policy.

Quarter Brick - MTQZ75 Series

product picture


  • Industrial Standard Quarter Brick Package
  • Wide Input Range 43-101VDC & 66-160VDC
  • Excellent Efficiency up to 92%
  • I/O Isolation 3000VAC with Reinforced Insulation
  • Operating Ambient Temp. Range -40℃ to +80℃
  • No Min. Load Requirement
  • Under-voltage, Overload/Voltage/Temp. and Short Circuit Protection
  • Remote On/Off Control, Output Voltage Trim, Output Sense
  • Vibration and Shock/Bump Test EN 61373 Approved
  • Cooling, Dry & Damp Heat Test IEC/EN 60068-2-1, 2, 30 Approved
  • Railway EMC Standard EN 50121-3-2 Approved
  • Railway Certified EN 50155 (IEC60571) Approved
  • Fire Protection Test EN 45545-2 Approved
  • UL/cUL/IEC/EN 62368-1(60950-1) Safety Approval & CE Marking
Specifications Document Download
Output Voltage Accuracy ±1.0%  max.
Line Regulation ±0.2%  max.
Load Regulation ±0.3%  max.
Ripple & Noise (20MHz) 24V 150mVp-p max.
others 100mVp-p max.
Efficiency Up to 92%
I/O Isolation Voltage 3000VAC min. (Reinforced Insulation)
Operating Ambient Temp. Range -40°C to +80°C (See Derating Curve)
Short Circuit Protection Continuous (Auto. Recovery)
Output Voltage Trim ±10% min.
Remote ON/OFF Enable High
Case Material Metal (6 side shielded with insulated baseplate)
Railway & Safety Approval UL/cUL/IEC/EN 62368-1(60950-1), CB-Report, EN50155 (IEC60571) & EN45545-2, CE Marking
Railway Approval



Technical Application Note



Model Number Output PowerInput Voltage Range (VDC)Output Voltage (VDC)Output Current (mA)Efficiency (typ.)Isolation VoltagePackage
MTQZ75-72S0575W43-10151500089%3000VAC ReinforcedQuarter Brick
MTQZ75-72S1275W43-10112625092%3000VAC ReinforcedQuarter Brick
MTQZ75-72S1575W43-10115500092%3000VAC ReinforcedQuarter Brick
MTQZ75-72S2475W43-10124312591%3000VAC ReinforcedQuarter Brick
MTQZ75-110S0575W66-16051500089%3000VAC ReinforcedQuarter Brick
MTQZ75-110S1275W66-16012625091%3000VAC ReinforcedQuarter Brick
MTQZ75-110S1575W66-16015500091%3000VAC ReinforcedQuarter Brick
MTQZ75-110S2475W66-16024312590%3000VAC ReinforcedQuarter Brick
To order the converter with heatsink, please add a suffix -HS.

New Products

MINMAX has announced the below new products, click for more details.