GB/T 4596-1984
Replaced
GB/T 44069.5-2025
Active
National standards
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 44069.5-2025 Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 5:EP-cores and associated parts for use in inductors and transformers
Basic Information
Standard Code:
GB/T 44069.5-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nMagnetic components
ICS Name:
\nMagnetic components
Publish Date:
2025-12-31
Implement Date:
2026-04-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国磁性元件与铁氧体材料标准化技术委员会(SAC/TC 89)
Pages:
16 pages
Scope
本文件规定了用铁氧体制成的优选系列EP型磁心与机械互换性有关的重要尺寸，与磁心一起使用的线圈骨架的基本尺寸以及在间距为2.50 mm印制电路板栅格上与磁心底部轮廓有关的线圈骨架端子引脚位置和用于计算这类磁心的有效参数值，同时给出了EP型磁心表面缺陷容许极限的导则。
本文件在磁心制造厂和用户之间有关表面缺陷协商中可作为分导则使用。
附录A给出了设计该类磁心的一般注意事项。
Development Information
Drafting Units:
横店集团东磁股份有限公司、中国电子技术标准化研究院、马鞍山新康达磁业有限公司、天通控股股份有限公司、浙江省计量科学研究院、山东春光磁电科技有限公司
Drafting Persons:
张爱国、崔莹、虞志书、赵光、宋岩岩、宋兴连、张小杭、包大新、朱东梅、贾俊超
Same series standard
Referenced Standards
IEC 60205
IEC 60401-1
IEC 63093-1
Adopt standards
IEC 63093-5:2018
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