TRACOPOWER THD 12WI 12W Isolated DC-DC Converter Through Hole, Vin 18 → 75 V dc, Vout 3.3V dc. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1500V dc. Output Current: 3.5A. Package: DIP 24. Efficiency: 0.84. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Load Regulation: 0.5. Line Regulation: 0.2. Length: 31.8mm. MPN: THD 12-4810WI