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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

UNE-EN 61248-4
TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT. PART 4: SECTIONAL SPECIFICATION FOR POWER TRANSFORMERS FOR SWITCHED MODE POWER SUPPLIES (SMPS) ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE (Endorsed by AENOR in October of 1998.)

Edition 1998-10-01

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

UNE-EN 61248-4 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT. PART 4: SECTIONAL SPECIFICATION FOR POWER TRANSFORMERS FOR SWITCHED MODE POWER SUPPLIES (SMPS) ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE (Endorsed by AENOR in October of 1998.)

Want to learn more?

UNE-EN 61248-4
TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT. PART 4: SECTIONAL SPECIFICATION FOR POWER TRANSFORMERS FOR SWITCHED MODE POWER SUPPLIES (SMPS) ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE (Endorsed by AENOR in October of 1998.)