TRACOPOWER TEC 3 3W Isolated DC-DC Converter Through Hole, Vin 9 → 18 V dc, Vout 5V dc, I/O isolation 1600V dc. Input Voltage Nominal: 12 V dc. Output Current: 300mA. Number of Outputs: 2. Efficiency: 0.81. Minimum Temperature: -40°C. Maximum Temperature: +90°C. Load Regulation: 0.01. Line Regulation: 0.002. Length: 21.8mm. Weight: 4.5g. MPN: TEC 3-1221