Cosel CHS 59.4W Isolated DC-DC Converter PCB Mount, Vin 36 → 76 V dc, Vout 3.3V dc. Input Voltage Nominal: 48 V dc. Isolation Voltage: 500 V dc, 1000 V ac, 2250 V dc. Output Current: 18A. Number of Outputs: 1. Package: DIP. Efficiency: 0.915. Minimum Temperature: -40°C. Maximum Temperature: +85°C. Load Regulation: 10mV. Line Regulation: 10mV. Length: 23.36mm. MPN: CHS60483R3