TRACOPOWER THM 10WI 10W Isolated DC-DC Converter Through Hole, Vin 4.5 → 9 V dc, Vout 3.3V dc Medical Approved. Input Voltage Nominal: 5 V dc. Isolation Voltage: 5kV ac. Output Current: 2.5A. Medical Approved: Yes. Railway Approved: No. Package: DIP 24. Efficiency: 0.8. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Load Regulation: 0.002. MPN: THM 10-0510WI