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GB 9625-1988 Inductor and transformer cores for telecommunications Part 2: Blank detail specification:Magnetic oxide cores for inductor applications Assessment level A 90.0 via email in 1~3 business day valid
SJ/T 11244-2001 R-cores single-phase transformers 150.0 via email in 1~3 business day valid
GB/T 12798-2012 Axial lead cores made of magnetic oxides or iron powder 180.0 via email in 1~3 business day valid
SJ/T 11370-2007 Dimensions of deflection yoke cores for computer displays 150.0 via email in 1~3 business day valid
GB/T 11441.2-2011 Laminations for transformers and inductors for use in telecommunication and electronic equipment—Part 2:Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials 360.0 via email in 1~5 business day valid
GB/T 9634.2-2002 Ferrite cores0--Guide on limits of surface irregularities--Part 2:RM-cores 90.0 via email in 1~3 business day valid
GB 9628-1988 Inductor and transformer cores for telecommunications-Part 4: sectional specification: Magnetic oxide cores for transformers and chokes for power applications 90.0 via email in 1~3 business day valid
SJ/T 2744-2002 Dimensions of spuare cores (RM cores) made of magnetic oxides and associated parts 330.0 via email in 1~3 business day abolished
GB/T 9634.4-2007 Ferrite cores-Guide on the limits of surface irregularities-Part 4:Ring-cores 60.0 via email in 1~3 business day valid
GB/T 20873-2007 PM-cores made of magnetic oxides and associated parts-dimentsions 240.0 via email in 1~3 business day valid
GB/T 18909-2002 Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval 300.0 via email in 1~3 business day valid
GB/T 9630-2012 Dimensions of pot-cores made of magnetic oxides and associated parts 210.0 via email in 1~3 business day valid
GB/T 20874-2007 Calculation of the effective parameters of magnetic piece parts 240.0 via email in 1~3 business day valid
SJ/T 2885-2003 Finxed inductors for use in electronic equipment Part1: General specification 255.0 via email in 1~3 business day valid
GB/T 14860.4-2012 Transformers and inductors for use in electronic and telecommunication equipment—Part 4:Sectional specification for power transformers for switched mode power supplies(SMPS)on the basis of the capability approval procedure 300.0 via email in 1~5 business day valid
GB/T 14860.1-2012 Transformers and inductors for use in electronic and telecommunication equipment—Part 1:Generic specification 390.0 via email in 1~3 business day valid
GB/T 9633-2012 Measuring methods for properties of gyromagnetic materials intended for application at microwave frequencies 675.0 via email in 1~8 business day valid
SJ/T 1505-1997 Chemical analysis emthods for products and semifinished products made of gyromagnetic ferrite materials 240.0 via email in 1~3 business day valid
SJ 52453/3-2003 Type XGS208/160H smco rare - earth permanent magnet ring series detail specification for 90.0 via email in 1~3 business day valid
GB/Z 28865-2012 Specification for anti-EMI soft ferrite materials 120.0 via email in 1~3 business day valid
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