IEC 61753-022-13:2026 pdf download,Fibre optic interconnecting devices and passive components – Performance standard – Part 022-13: Multimode fibre optic connectors terminated as pigtails and patchcords for category OP+ HD – Extended outdoor protected environment with additional heat dissipation. Released in 2026, IEC 61753-022-13 sets uniform performance specifications exclusively for multimode fiber connectors finished into pigtails

IEC 62683-1:2026 pdf download,Switchgear, controlgear and their assemblies for low-voltage – Product data and properties for information exchange – Part 1: Catalogue data. IEC 62683-1:2026 sets out a standardized framework for catalogue data of low‑voltage switchgear, controlgear and their assemblies, enabling consistent electronic data exchange across manufacturers, suppliers and users. It defines a common, manufacturer‑independent

IEC 60444-11:2026 pdf download，Measurement of quartz crystal unit parameters – Part 11: Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction. This standard, IEC 60444-11:2026, specifies a precise method for measuring two critical parameters of quartz crystal units: the

IEC 60794-1-126:2026 pdf download,Optical fibre cables – Part 1-126: Generic specification – Basic optical cable test procedures – Mechanical tests methods – Galloping, Method E26. IEC 60794‑1‑126:2026 is a new standalone international standard published in April 2026, focusing on galloping test Method E26 for optical fibre cables. It belongs to the IEC 60794 series, replacing

IEC 62196-3:2026 pdf download，Plugs, socket-outlets, vehicle connectors and vehicle inlets – Conductive charging of electric vehicles – Part 3: Dimensional compatibility requirements for DC and AC/DC pin and contact-tube vehicle couplers. IEC 62196‑3:2026, published in April 2026 as the 3rd edition, is an international standard focusing on dimensional compatibility for EV conductive charging couplers. It