Using a resonant topology, the CLC175 single-output open-frame AC/DC power supply from XP Power can deliver up to 175 W. The 3” × 5” × 1.25” device has a power density as high as 9.3 W/in.³ and an efficiency as high as 87 percent. Only 10 cfm of forced airflow is required for full power, and a 12-VDC 0.5-A fan output is provided. Available with outputs of 12 VDC, 24 VDC, or 48 VDC, the universal-input supply also includes remote sense and meet Class B conducted EMC limits. An options package can be specified, suffix –A, to include power OK, remote on/off, and 5 V standby. From $93.60 each in quantity.