The Mean Well DCWN03B-12 is an isolated DC/DC converter designed for 18 to 36Vin and +/-12Vout with +/-125mA DIP Reg Iso. The DCWN03B-12 is a dual output, ultra-wide 4:1 input voltage range, 0.25A switching regulator with Isolation of 4KVac. It is an open frame, PCB mountable device with an operating temperature range up to -40°C to +85°C. It features excellent line/load regulation, high efficiency up to 84%, low ripple and noise, and short-circuit and overload protection. Suitable applications for the DCWN03B-12 include instrumentation, communications, audio-video, office automation and various industrial controls.