GB/T 4596-1984
Replaced
T/ZZB 0719-2018
Active
Group standards
T/ZZB 0719-2018 The loudspeaker uses a permanent magnet made of ferrite—a large-sized annular magnetic material
T/ZZB 0719-2018 The loudspeaker uses a permanent magnet made of ferrite—a large-sized annular magnetic material
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 0719-2018
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nMagnetic components
ICS Name:
\nMagnetic components
Publish Date:
2018-11-09
Implement Date:
2018-11-30
Scope
Main technical content: This standard specifies the terms and definitions, product structure, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments for sintered permanent magnet ferrite speakers—large-sized ring magnets (referring to magnets with an outer diameter ≥ 220 mm or a height ≥ 30 mm, hereinafter referred to as "large-sized ring magnets"). This standard applies to sintered permanent magnet ferrite speakers prepared by powder metallurgy technology—large-sized ring magnets (hereinafter referred to as "large-sized ring magnets").
Development Information
Related Standards
GB/T 9632.1-2002
Abolished
GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications
GB/T 18909-2002
Active
GB/T 18909-2002 Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval
GB/T 9634.1-2002
Active
GB/T 9634.1-2002 Ferrite cores-Guide on the limits of surface irregularities—Part 1:General specification
GB/T 9634.2-2002
Replaced
GB/T 9634.2-2002 Ferrite cores—Guide on the limits of surface irregularities—Part 2:RM-cores
GB/T 9634.3-2002
Active