TRACOPOWER TRV 1W Isolated DC-DC Converter Through Hole, Voltage in 4.5 → 5.5 V dc, Voltage out Output 1: 5 Vdc, Output Voltage: Output 1: 5 Vdc Output 1: -5 Vdc, Output Voltage Adjustment Range: 5 Vdc -5 Vdc, Isolation Voltage: 5kV, Medical Approved: Yes, MPN: TRV 1-0521M