Power Supplies

Smallest Certified 6-Watt SIP8 DC-DC for Railway Applications

The TMR 3WIR and the TMR 6WIR series from Traco Power are a set of 3-Watt and 6-Watt dc-dc converters in a SIP-8 metal case. The design purpose of these series was to miniaturized low power dc-dc converters for railway application to the maximum without sacrificing highest efficiency.

They operate up to 78°C environment temperature at full load and up to 90°C with a 50% load derating.

With EN 50155 and UL 62368-1 (UL 60950-1) certification, 3’000 VDC I/O-isolation voltage, external On/Off, current limitation and short current protection they cover a wide range of application when space is limited.

The input of the converters is designed for a wide voltage range (4:1) and minimum load is not required.

Features and specifications include:

  • Ultra wide 4:1 input options
    • 9- to 36-Vdc
    • 18- to 75-Vdc
    • 43- to 160-Vdc
  • Miniaturized to the maximum
    • Weight is 5.9g and the units measure 21.8mm x 11.2mm x 9.6mm
  • EN 50155 railway approval
  • I/O-isolation 3,000Vdc
  • High efficiency for low thermal loss
  • Operating temperature range: -40°C to +90°C
  • Remote On/Off
  • Short circuit protection
  • 3-year product warranty
Traco Power
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