UL/cUL 60950-1, EN 60950-1, IEC 60950-1. 3. Traco 3W SIP Single/Dual Output Regulated Isolated DC-DC Converter - TMR 3WIE Series. The TMR-3WIE series is a family of 3W single/dual output DC/DC converters with a compact SIP-8 package, regulated output and a wide 4:1 input voltage range. These Traco Power 3W single/dual output DC/DC converters are highly efficient allowing a -40 to +85°C operating temperature range. The compact size of these single/dual output DC/DC converters make them ideal for use in applications such as communication equipment, instrumentation and industrial electronics. Wide 4:1 input voltage range Compact SIP_8 package Cost optimized design Temperature range -40℃ to + 85℃ I/O isolation 1600 VDC Remote On/Off control 3 year product warranty