The primary switched MTM Power modules PMAS5-S have been designed as universal compact power supplies with AC and DC wide input ranges for worldwide application and allow an efficient, cost-saving solution for different tasks where low power is needed. The modules have smallest dimensions of 42.0 x 30.0 x 18.2 mm and are designed for PCB mounting. The power supplies are vacuum encapsulated, prepared for applications in Class 1 and/or 2 and comply with the Low Voltage Directive as well as with the up-to-date EN standards as regards CE conformity. Further features are rugged design, SMD-technology, automatic 100% final test and 100-%-burn-in-test. The series PMAS5-S offers 5W constant output wattage, is short circuit protected, needs no ground load.