IEC 60667-2:2020 pdf download
IEC 60667-2:2020 pdf download.Vulcanized fibre for electrical purposes – Part 2: Methods of test 1 Scope This part of IEC 60667 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document. Materials which conform to this specification meet established levels of...
IEC 61969-1:2020 pdf download
IEC 61969-1:2020 pdf download.Mechanical structures for electrical and electronic equipment – Outdoor enclosures 1 Scope This part of IEC 61969 contains design guidelines for outdoor enclosures and is applicable over a wide field of mechanical, electromechanical and electronic equipment and its installation where a modular design is used. The objectives of this document are: – to provide an overview of...
IEC 60645-3:2020 pdf download
IEC 60645-3:2020 pdf download.Electroacoustics – Audiometric equipment – Part 3: Test signals of short duration 1 Scope This part of IEC 60645 specifies a means of describing the physical characteristics, in terms of electrical waveforms, of audiometric reference and test signals of short duration and methods for their measurement. The object of this document is to ensure that audiometric stimuli...
IEC 60749-30:2020 pdf download
IEC 60749-30:2020 pdf download.Semiconductor devices – Mechanical and climatic test methods 1 Scope This part of IEC 60749 establishes a standard procedure for determining the preconditioning of non-hermetic surface mount devices (SMDs) prior to reliability testing. The test method defines the preconditioning flow for non-hermetic solid-state SMDs representative of a typical industry multiple solder reflow operation. These SMDs are subjected...
IEC 61960-4:2020 pdf download
IEC 61960-4:2020 pdf download.Secondary cells and batteries containing alkaline or other non-acid electrolytes 1 Scope This part of IEC 61960 specifies performance tests, designations, markings, dimensions and other requirements for coin secondary lithium cells and batteries for portable applications and backup power supply such as memory backup applications. The objective of this document is to provide the purchasers and users...
IEC 61631:2020 pdf download
IEC 61631:2020 pdf download.Test method for the mechanical strength of cores made of magnetic oxides 1 Scope This document specifies a test method for the mechanical strength of cores made of magnetic oxides. This test method is suitable for most of the E-cores, ETD-cores, I-cores and ring- cores but other core types such as U-cores could be tested according to...
IEC 60675-2:2020 pdf download
IEC 60675-2:2020 pdf download.Household electric direct-acting room heaters – Methods for measuring performance 1 Scope This clause of IEC 60675:1994 is applicable, with the following modification: Replace the first paragraph with the following content: This document applies to electric direct-acting room heaters . This document defines performance characteristics related to the radiant effect and specifies methods for measuring the radiant...
IEC 60519-8:2020 pdf download
IEC 60519-8:2020 pdf download.Safety in installations for electroheating and electromagnetic processing 1 Scope This clause of Part 1 is modified as follows. Modification: This part of IEC 60519 specifies particular safety requirements for electroslag remelting equipment and installations. This document specifies safety requirements applicable to mainly electroheating installations for remelting and, in some cases, for refining processes of metals through...
IEC 61701:2020 pdf download
IEC 61701:2020 pdf download.Photovoltaic (PV) modules – Salt mist corrosion testing 1 Scope Photovoltaic (PV) modules are electrical devices normally intended for continuous outdoor exposure during their lifetime. Highly corrosive wet atmospheres, such as marine environments or locations near the ocean or other large bodies of salt water, could eventually degrade some of the PV module components (corrosion of metallic...
IEC 60779:2020 pdf download
IEC 60779:2020 pdf download.Installations for electroheating and electromagnetic processing – Test methods for electroslag remelting furnaces 1 Scope Clause 1 of IEC 60398:2015 is replaced by the following. Replacement: This International Standard specifies the test procedures, conditions and methods for determining the main performance parameters and operational characteristics of electroslag remelting furnaces. Measurements and tests that are solely used for...