Ultra-thin Open Frame Non-isolated DC-DC Converter K78-JT-500R3 Series

MORNSUN launched an ultra-thin open frame non-isolated DC-DC converter K78-JT-500R3. The dimension of K78-JT-500R3 series is 12.50 x 13.50 x 3.50mm, which is 4.75mm lower in height than that of K78-T-500R3 series. Besides, the K78-JT-500R3 series features SMD package, and provides an ultra-wide input voltage range of 4.75 – 36V. This series also eliminates the need for a heat sink and its operating temperature is from -40 to +85°C. What’s more, this series delivers efficiency up to 95%, features low stand-by power consumption and short-circuit protection, which can be widely used for applications in industrial control, electricity, instrumentation industries, etc.


Suitable for applications in need of non-isolated step-down circuits.


  • Ultra-thin SMD Package, thickness≤5mm
  • High efficiency up to 95%
  • No-load input current as low as 0.2mA
  • Operating temperature: -40℃ ~ +85℃
  • Output short-circuit protection

Please refer to technical manual for specific product parameters: K78_JT-500R3_CN/EN     

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