TRACOPOWER TMR 3WIR 3W Isolated DC-DC Converter Through Hole, Vin 18 → 75 V dc, Vout ±15V dc Railway Approved. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1600V dc. Output Current: ±100mA. Number of Outputs: 2. Package: SIP 8. Railway Approved: Yes. Efficiency: 0.81. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Line Regulation: 0.002. MPN: TMR 3-4823WIR