TRACOPOWER TMR 3E 3W Isolated DC-DC Converter Through Hole, Vin 36 → 75 V dc, Vout 12V dc. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1.5kV dc. Output Current: 250mA. Package: SIP 8. Efficiency: 0.83. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Line Regulation: 0.5. Weight: 4.8g. MPN: TMR 3-4812E