TRACOPOWER TIM 3.5 3.5W Isolated DC-DC Converter Through Hole, Vin 9 → 18 V dc, Vout ±12V dc Medical Approved. Input Voltage Nominal: 12 V dc. Medical Approved: Yes. Package: DIP 16. Length: 24.3mm. Protection Features: Patient Protection. Depth: 10.2mm. Width: 14.4mm. Special Features: 2:1 Input Voltage with Extended, Isolation 5000 Vrms ac Rated for 250 Vrms ac Working Voltage, Low Leakage Current. Standards Met: EN 55022, IEC/EN/ES 60601-1. MPN: TIM 3.5-1222