1W DC-DC Converters CUI Inc 1W DC-DC Converters offer 1W isolated power with up to 85% efficiency. These devices feature continuous short-circuit protection with up to 3000VDC high isolation and superior thermal performance. The PDEM1 DC-DC series operates in a -40°C to +105°C operating temperature range and is available in a 6-pin SIP package with an option for single- and dual-output variants. CUI Inc 1W DC-DC Converters derive their applications in the precise conversion and isolation of DC rails within the range of industrial, telecom, security, and machine control.