VRB_LD-40WHR3 series are isolated 40W DC-DC products with 2:1 input voltage. They feature efficiency up to 91%, 1500VDC isolation, operating temperature of -40℃ to +85℃, output short circuit protection, over-voltage protection, over-current protection , which make them widely applied in data transmission device, battery power supply device, telecommunication device, distributed power supply system, remote control system, industrial robot fields.