CUI Inc PRMCE1-S 1W DC-DC Converters

CUI Inc PRMCE1-S 1W DC-DC Converters are compact, regulated converters that provide 1W output power over a -40°C to +85°C temperature range. These DC-DC converters feature a 1:1 input, continuous short-circuit protection, and 3000VDC isolation. The series provides a rugged, IEC 62368-1-certified solution for sensitive applications, including industrial control and mixed digital/analog systems. The PRMCE1-S offers up to 73% efficiency and requires no heat sink, making it ideal for applications where board space is at a premium and maximizing energy efficiency is a concern.


  • 1W isolated output
  • 3000VDC isolation
  • Compact (19.65mm length x 6mm width x 10.16mm height) SIP package
  • Continuous short-circuit protection
  • No-load input current as low as 5mA
  • -40°C to +85°C operating temperature range
  • High efficiency up to 73%
  • UL62368 / EN62368 / IEC62368 approvals


  • Industrial control
  • Mixed digital / analog systems
Published: 2020-03-18 | Updated: 2022-03-11