The URB4805YMD-20WR3 is an Ultra Wide Input Isolated and Regulated Single Output DC/DC Converter manufactured by MORNSUN. It is designed to convert an input voltage of 4.5 to 60 VDC range to a single regulated output of 3.3 VDC at 20 watts. The converter offers 3000VAC input to output isolation, making it suitable for a wide variety of industrial, automotive, and consumer applications. It also offers protection features such as over current and over temperature protection, as well as an automatic power up when input voltage is available. The product is also equipped with an EMI filter to meet FCC and EN55022 Class B standards. It is certified by UL, CE, and RoHS, and is also lead-free in compliance with REACH and RoHS regulations.