组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 44069.6-2026
Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 6: ETD-cores for use in power supplies
GB/T 8554-2026
Transformers and inductors for use in electronic and telecommunication equipment—Measuring methods and test procedures
GB/T 44069.14-2025
Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 14: EFD-cores
GB/T 44069.5-2025
Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 5: EP-cores and associated parts for use in inductors and transformers
GB/T 44069.13-2025
Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 13: PQ-cores
GB/T 44058-2024
Marking on ferrite cores
GB/T 44069.4-2024
Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 4: RM-cores
GB/T 43795-2024
Test method for the mechanical strength of cores made of magnetic oxides
GB/T 43593-2023
Ferrite cores—Standard inductance factor for gapped cores and its tolerance
GB/T 40853.2-2023
High frequency inductive components—Electrical characteristics and measuring methods—Part 2：Rated current of inductors for DC to DC converters
GB/T 28869.2-2023
Cores made of soft magnetic materials—Measuring methods—Part 2: Magnetic properties at low excitation level
GB/T 28869.3-2023
Cores made of soft magnetic materials—Measuring methods—Part 3: Magnetic properties at high excitation level
GB/T 40675.3-2021
Noise suppression sheet for digital devices and equipment—Part 3: Characterization of parameters of noise suppression sheet
GB/T 40675.1-2021
Noise suppression sheet for digital devices and equipment—Part 1: Definitions and general properties
GB/T 40675.2-2021
Noise suppression sheet for digital devices and equipment—Part 2: Measuring methods
GB/T 40852.1-2021
High frequency inductive components—Non-electrical characteristics and measuring methods—Part 1: Fixed, surface mounted inductors for use in electronic and telecommunication equipment
GB/T 40853.1-2021
High frequency inductive components—Electrical characteristics and measuring method—Part 1：Nanohenry range chip inductor
GB/T 36103.14-2018
Ferrite cores—Dimensions—Part 14: EFD-cores for use in power supply applications
GB/T 36103.1-2018
Ferrite cores—Dimensions—Part 1: General specification
GB/T 36103.7-2018
Ferrite cores—Dimensions—Part 7: EER-cores