2024.11.04
New 40W Ultra-Compact High-Efficiency DC-DC Power Converter: Breaking Size Limits! MJWI40 Series by MINMAX



High-Efficiency DC-DC Power Converter for Industrial Applications


Ultra-Compact Design with Exceptional Power Density

The MJWI40 Series by MINMAX redefines the standard for high-efficiency DC-DC power converters, delivering a powerful 40W output in an ultra-compact 1" × 1" encapsulated design. With a power density of up to 93W/in³ and peak efficiency reaching 93%, it ensures reliable, energy-saving performance, even in demanding industrial environments.


Wide Input Range and Rugged Reliability

Supporting a 4:1 ultra-wide input voltage range, the MJWI40 Series guarantees stable power output across diverse power conditions. Designed to perform in extreme temperatures from -40℃ to +85℃, it features 1500VDC isolation, ensuring safety and stability in harsh field applications. This high-efficiency DC-DC power converter is optimized for minimal energy waste, offering very low no-load power consumption and no minimum load requirement.


Comprehensive Protection & Smart Control

Safety and adaptability are built into the MJWI40 design. It includes multiple protection functions such as input under-voltage, output over-current, over-voltage, and short-circuit protection. In addition, users benefit from remote ON/OFF control and output voltage adjustment, making this high-efficiency DC-DC power converter highly versatile for a range of industrial systems.


Certified for Global Industrial Use

With its shielded metal case and insulated baseplate, this converter ensures excellent EMI shielding. It meets international certifications including UL/cUL/IEC/EN 62368-1 and carries the CE marking, ensuring global compliance and peace of mind.

MJWI40 Series – Key Features

  • Smallest encapsulated high-efficiency DC-DC power converter in its class
  • Ultra-compact 1" × 1" size, power density up to 93W/in³
  • Up to 93% conversion efficiency
  • 4:1 ultra-wide input voltage range
  • Fully regulated output voltage with 1500VDC isolation
  • Operates in extreme temperatures: -40℃ to +85℃
  • No minimum load requirement, low no-load consumption
  • Full protection: UVLO, OCP, OVP, SCP
  • Remote ON/OFF & output voltage trim
  • Shielded case and insulated baseplate
  • Certified with UL/cUL/IEC/EN 62368-1 and CE


Ready to Upgrade Your Power Solutions?

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👉Contact MINMAX today to request a quote, download technical datasheets, or explore how the MJWI40 Series can optimize your power system design.