ATA00BB18-L is a 3-watt isolated DC-DC converter designed for low-power applications including data communication, telecommunication, computer peripheral equipment, industrial automation, and mobile battery-powered systems. The converter features a dual output configuration providing ±12V at 125 mA per output, with an input voltage range of 9–36 VDC and efficiency of 80%. It incorporates 1500 VDC input-to-output isolation, ultra-wide 4:1 input range, and operates reliably across -40°C to +85°C. The device is housed in an ultra-compact DIP or SMD package measuring 23.8 × 13.7 × 8.0 mm, includes remote ON/OFF control, and meets UL/cUL/IEC/EN 62368-1 safety standards with CE marking. Its high isolation, compact form factor, and robust protection features make it ideal for isolated power distribution in harsh industrial and mobile environments.