TRACOPOWER TRS 2 2W Isolated DC-DC Converter Surface Mount, Vin 9 → 18 V dc, Vout 5V dc. Input Voltage Nominal: 12 V dc. Isolation Voltage: 1600 (60 sec)V dc. Output Current: 400mA. Efficiency: 0.8. Minimum Temperature: -40°C. Maximum Temperature: +90°C. Line Regulation: 0.002. Length: 11.9mm. Protection Features: Short Circuit Protection. MPN: TRS 2-1211