SJ 2876-1988 Sectional specification for deflection yoke cores for TV receivers

GB 9623 GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications GB/T 9634.1-2002 Ferrite cores-Guide on the limits of surface irregularities—Part 1:General specification GB/T 9634.2-2002 Ferrite cores—Guide on the limits of surface irregularities—Part 2:RM-cores GB/T 9634.3-2002 Ferrite cores—Guide on the limits of surface irregularities—Part 3:ETD-cores and E-cores GB/T 9634.4-2007 Ferrite cores—Guide on the limits of surface irregularities—Part 4:Ring-cores GB/T 9634.8-2018 Ferrite cores—Guideline on the limits of surface irregularities—Part 8:PQ-cores IEC 401 IEC 404-1 IEC 50《901》 SJ 1582 SJ 2881-1988 Dimensions for toroidal cores made of magnetic oxides or iron powder SJ/Z 9001.1 SJ/Z 9001.2 SJ/Z 9001.3 SJ/Z 9001.4 SJ/Z 9001.5 SJ/Z 9006-1987 Guide for the inclusion of lot-by-lot and periodic inspection procedures in specifications for electronic components (or parts) SJ/Z 9007-1987 Sampling plans and procedures for inspection by attributes SJ/Z 9072.1-1987 Calculation of the effective parameters of magnetic parts