IEC 61857-31:2017 pdf download
IEC 61857-31:2017 pdf download.Electrical insulation systems – Procedures for thermal evaluation – Part 31: Applications with a designed life of 5 000 h or less 1 Scope This part of IEC 61 857 establishes an EIS evaluation for applications with a designed life of 5 000 h or less. This test method follows the procedures of IEC 60505 and is...
IEC 60749-4:2017 pdf download
IEC 60749-4:2017 pdf download.Semiconductor devices – Mechanical and climatic test methods – Part 4: Damp heat, steady state, highly accelerated stress test (HAST) 1 Scope This part of IEC 60749 provides a highly accelerated temperature and humidity stress test (HAST) for the purpose of evaluating the reliability of non-hermetic packaged semiconductor devices in humid environments. 2 Normative references The following...
IEC 61587-6:2017 pdf download
IEC 61587-6:2017 pdf download.Mechanical structures for electrical and electronic equipment – Tests for IEC 60917 and IEC 60297 series 1 Scope This part of IEC 61 587 specifies security aspects and security performance levels of indoor cabinets in accordance with IEC 6091 7 and IEC 60297. 2 Normative references The following documents are referred to in the text in such...
IEC 60317-56:2017 pdf download
IEC 60317-56:2017 pdf download.Specifications for particular types of winding wires – Part 56: Solderable fully insulated (FIW) zero-defect polyurethane enamelled round copper wire, class 180 1 Scope This part of IEC 6031 7 specifies the requirements of solderable fully insulated (FIW) zero- defect enamelled round copper wire, class 1 80, with a single coating based on polyurethane resin, which may...
IEC 60384-15:2017 pdf download
IEC 60384-15:2017 pdf download.Fixed capacitors for use in electronic equipment – Part 15: Sectional specification: Fixed tantalum capacitors with non-solid or solid electrolyte 1 General 1 .1 Scope This part of IEC 60384 applies to through-hole/leaded polar and bipolar tantalum electrolyte capacitors with solid and non-solid electrolyte for use in electronic equipment. It includes capacitors for long-life applications and capacitors...
IEC 61191-2:2017 pdf download
IEC 61191-2:2017 pdf download.Printed board assemblies – Part 2: Sectional specification – Requirements for surface mount soldered assemblies 1 Scope This part of IEC 61 1 91 gives the requirements for surface mount solder connections. The requirements pertain to those assemblies that are totally surface mounted or to the surface mounted portions of those assemblies that include other related technologies...
IEC 60154-4:2017 pdf download
IEC 60154-4:2017 pdf download.Flanges for waveguides – Part 4: Relevant specifications for flanges for circular waveguides 1 Scope This part of IEC 601 54-4 specifies the dimensions of flanges for circular waveguides for use in electronic equipment. It covers requirements for flanges drilled before or after mounting on waveguides. The aim of this document is to specify for waveguide flanges...
IEC 61643-331:2017 pdf download
IEC 61643-331:2017 pdf download.Components for low-voltage surge protective devices – Part 331: Performance requirements and test methods for metal oxide varistors (MOV) 1 Scope This part of IEC 61 643 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power line, or telecommunication,...
IEC 60370:2017 pdf download
IEC 60370:2017 pdf download.Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes – Electric breakdown methods 1 Scope This International Standard covers methods of test for the determination of thermal endurance (temperature index) of electrical insulating resins and varnishes for impregnation purposes. It is done by means of impregnating glass cloth and measuring electric strength or...
IEC 60079-13:2017 pdf download
IEC 60079-13:2017 pdf download.Explosive atmospheres – Part 13: Equipment protection by pressurized room “p” and artificially ventilated room “v” 1 Scope This part of IEC 60079 gives requirements for the design, construction, assessment, verification and marking of rooms used to protect internal equipment: – located in a Zone 1 or Zone 2 or Zone 21 or Zone 22 explosive atmosphere...