TRACOPOWER TEC 3 3W Isolated DC-DC Converter Through Hole, Vin 36 → 75 V dc, Vout 12V dc, I/O isolation 1600V dc. Input Voltage Nominal: 48 V dc. Output Current: 250mA. Efficiency: 0.84. Minimum Temperature: -40°C. Maximum Temperature: +90°C. Load Regulation: 0.01. Line Regulation: 0.002. Length: 21.8mm. Weight: 4.5g. MPN: TEC 3-4812