The ECE40US09-S is a DC-DC power module made by XP Power. It is rated for 8-36V input voltage, and provides a regulated 9V, 3.3A output. It features advanced protection against overload, short circuit and overvoltage, and has UL, cul, IEC60950-1, EN55022B and CE certifications. The package size is 40 x 40 x 11.1mm, and the operating temperature range is -40°C to +71°C.