Cosel MGF 2.64W Isolated DC-DC Converter PCB Mount, Vin 18 → 76 V dc, Vout 3.3V dc. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1 kV dc, 1.5 kV dc. Output Current: 800mA. Package: SIP 6. Efficiency: 0.77. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Load Regulation: 20mV. Line Regulation: 20mV. MPN: MGFS3483R3