TRACOPOWER TMR 6WIR 6W Isolated DC-DC Converter Through Hole, Vin 18 → 75 V dc, Vout 3.3V dc Railway Approved. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1600V dc. Output Current: 1.5A. Package: SIP 8. Railway Approved: Yes. Efficiency: 0.81. Minimum Temperature: -40°C. Maximum Temperature: +100°C. Load Regulation: 0.5. Line Regulation: 0.002. MPN: TMR 6-4810WIR