GB/T 9634.4-2007

Active

Ferrite cores-Guide on the limits of surface irregularities - Part 4: Ring-cores

铁氧体磁心表面缺陷极限导则第4部分：环形磁心

Standard Type

GBT

ICS

29.100.10

CCS

L19

Status

Active

Issue Date

2007-02-09

Implementation

2007-09-01

Centralized Committee

工业和信息化部（电子）

Issuing Authority

工业和信息化部（电子）

Application Summary AI generated

This standard specifies the permissible limits for surface irregularities, such as chips, cracks, and pores, on ring-shaped ferrite cores used in electronic components like transformers and inductors. It is applied in the manufacturing and quality inspection of these cores to ensure consistent performance and reliability in electrical engineering applications. The guide helps manufacturers and users assess surface defects against defined criteria, reducing variability in production and testing contexts.

Related Standards

GB/T 5587-2003 Basic shapes，dimensions，symbolsand notations of silver based electrical contacts GB/T 8320-2003 Copper-tungsten and silver-tungsten 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 28865-2012 Specification for anti-EMI soft ferrite materials GB/Z 28870-2012 Measuring methods for anti-EMI soft ferrite materials GB/T 9634.3-2002 Ferrite cores--Guide on the limits of surface irregularities--Part 3:ETD-cores and E-cores GB/T 9634.2-2002 Ferrite cores--Guide on thelimits of surface irregularities--Part 2:RM-cores

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.