The AAF-03 series of 3-W switching ac/dc power supplies in an encapsulated PCB mount package featuring measures 1 x 1 x 0.64 in. The series is suitable for space-critical applications in instrumentation and communication equipment. It consists of six models featuring universal ac input (85 - 264 Vac / 47 - 440 Hz) and regulated single-output voltages ranging from 3.3 - 24 Vdc. These power modules feature 3,000-Vac isolation with reinforced insulation; built-in EMI filter to meet EN55011/55022 Class B and EN 55014, EN61000-4-2,3,4,5,6,8,11 EMC immunity. Units have been qualified for UL/cUL/IEC/EN 60950-1 (ITE applications) and TUV/IEC/EN60335-1.