The PTP15-12-S5 from CUI is an Isolated Buck DC-DC Converter that converts an input voltage of 9 - 18 V to an output voltage of 5 V. It delivers an output power of 15 W and has an efficiency of up to 85%. This IEC/EN 60601-1 certified converter offers regulated single-output with a maximum peak-to-peak ripple voltage of up to 60 mV. It provides an input-to-output isolation of 5600 V and is compliant with EN 55011 Class A EMI standard, making it suitable for medical applications. This RoHS-compliant DC-DC converter is provided with output over current, short circuit, and over-voltage protections to ensure safe operation over a temperature range from -40°C to +100°C. It is available in a through-hole package that measures 50.8 x 25.4 x 17.1 mm.