MKZI40 Series
40W DC-DC Converters
  • Industrial Standard 2"×1" Package
  • Ultra-wide Input Range 36-160VDC
  • I/O Isolation 3000VAC with Reinforced Insulation
  • Excellent Efficiency up to 90%
  • Operating Ambient Temp. Range -40℃ to +77.5℃
  • No Min. Load Requirement
  • Under-voltage, Overload/Voltage/Temp. and Short Circuit Protection
  • Remote On/Off Control, Output Voltage Trim
  • 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 Safety Approval & CE Marking

The MINMAX MKZI40 series is a latest generation of 40 Watt railway certified and isolated DC-DC power modules with ultra-wide input range of 36-160Vin for railway DC system and 7 models available for 5/12/15/24/54/±12/±15VDC tightly output voltage within compact size 2”x1” size with shielded and encapsulated package which specifically design for railway/railroad, battery-powered and harsh environmental applications. Key performance featuring high I/O isolation 3000VAC with reinforced insulation, high efficiency up to 90%, operating ambient temp. range -40℃ to +77.5℃, no min. load requirement, very low no-load power consumption, remote on/off, output voltage trim, build-in fault condition protection include under-voltage, overload, over-voltage, over-temperature and short circuit protection. The MKZI40 series complies with railway certification EN 50155 (IEC 60571) which conform to 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 and fire protection test EN 45545-2 approved. The MKZI40 series has been intensely qualified to safety approval UL/cUL/IEC/EN 62368-1 with CB report and CE marking which offer a solution for the applications where wide input voltage range, high efficiency for wide operating ambient temp. range, isolated power with high I/O isolation & insulation level, robust environmental & mechanical sustainability and even railway certification are required.

Output Voltage Accuracy ±1.0% max.
Line Regulation ±0.2% max.
Load Regulation Single ±0.5% max.
Dual ±1.0% max.
Ripple & Noise (20MHz) 5V  75mVp-p typ.
24V  150mVp-p typ.
54V  250mVp-p typ.
others  125mVp-p typ.
Efficiency Up to 90%
I/O Isolation Voltage 3000VAC min. (Reinforced Insulation)
Operating Ambient Temp. Range -40°C to +77.5°C (See Derating Curve)
I/O Isolation Capacitance 1500pF typ.
Short Circuit Protection Continuous (Auto. Recovery)
Output Voltage Trim ±10% max.
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) & CE Marking
Contact local distributor for quote

Comparison Model Number Output Power Input Voltage (VDC) Output Voltage (VDC) Output Current (mA) Efficiency Output Regulation I/O Isolation Package Type