GB/T 9634.3-2002

Active

Ferrite cores--Guide on the limits of surface irregularities--Part 3:ETD-cores and E-cores

铁氧体磁心表面缺陷极限导则第3部分:ETD和E形磁心

Standard Type

GBT

ICS

29.100.10

CCS

L19

Status

Active

Issue Date

2002-12-04

Implementation

2003-05-01

Centralized Committee

工业和信息化部（电子）

Issuing Authority

中华人民共和国国家质量监督检验检疫总局

Application Summary AI generated

This standard specifies the permissible limits for surface irregularities, such as chips, cracks, and pores, on ETD-cores and E-cores made of ferrite materials. It is applied in the manufacturing and quality inspection of these magnetic cores, which are commonly used in transformers, inductors, and other power electronic components. The guide ensures consistent product quality and performance by providing clear acceptance criteria for surface defects.

Related Standards

GB/T 8320-2003 Copper-tungsten and silver-tungsten electrical contacts GB/T 5587-2003 Basic shapes，dimensions，symbolsand notations of silver based electrical contacts GB/T 19404-2003 Microwave ferrite components--Measuringmethods for major properties GB/Z 10962-2008 General rules of reliability for machine tool electrical components GB/Z 28870-2012 Measuring methods for anti-EMI soft ferrite materials GB/Z 28865-2012 Specification for anti-EMI soft ferrite materials GB/T 9634.2-2002 Ferrite cores--Guide on thelimits of surface irregularities--Part 2:RM-cores GB/T 9634.1-2002 Ferrite cores--Guide on the limits of surface irregularities--Part 1:General specification

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.