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IEC 61188-5-6:2003

Current
Current

The latest, up-to-date edition.

Printed boards and printed board assemblies - Design and use - Part 5-6: Attachment (land/joint) considerations - Chip carriers with J-leads on four sides
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

23-01-2003

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 General information
  3.1 General component description
  3.2 Marking
  3.3 Carrier packaging format
  3.4 Process considerations
4 QFJ (square)
  4.1 Introductory remark
  4.2 Component description
  4.3 Component dimensions
  4.4 Solder joint fillet design
  4.5 Land pattern dimensions
5 QFJ (rectangular)
  5.1 Introductory remark
  5.2 Component description
  5.3 Component dimensions
  5.4 Solder joint fillet design
  5.5 Land pattern dimensions
Bibliography
Figures

Provides information on land pattern geometries used for the surface attachment of electronic components with J leads on four sides. Provides the appropriate size, shape and tolerances of surface mount land patterns so as to ensure sufficient area for the appropriate solder fillet, and also allows for inspection, testing and reworking of resulting solder joints.

Committee
TC 91
DevelopmentNote
To be read in conjunction with IEC 61188-5-1. (01/2003) Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
37
PublisherName
International Electrotechnical Committee
Status
Current

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BS EN 61191-4:2017 Printed board assemblies Sectional specification. Requirements for terminal soldered assemblies
IEC 61191-1:2013 Printed board assemblies - Part 1: Generic specification - Requirements for soldered electrical and electronic assemblies using surface mount and related assembly technologies
ISO 16525-9:2014 Adhesives Test methods for isotropic electrically conductive adhesives Part 9: Determination of high-speed signal-transmission characteristics
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IEC 61191-3:2017 Printed board assemblies - Part 3: Sectional specification - Requirements for through-hole mount soldered assemblies
EN 61191-2:2017 Printed board assemblies - Part 2: Sectional specification - Requirements for surface mount soldered assemblies
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EN 61191-4:2017 Printed board assemblies - Part 4: Sectional specification - Requirements for terminal soldered assemblies

IEC 60068-2-58:2015+AMD1:2017 CSV Environmental testing - Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD)
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IEC 61760-1:2006 Surface mounting technology - Part 1: Standard method for the specification of surface mounting components (SMDs)
IEC 60191-2:2012 DB Mechanical standardization of semiconductor devices - Part 2: Dimensions
IEC 61188-5-1:2002 Printed boards and printed board assemblies - Design and use - Part 5-1: Attachment (land/joint) considerations - Generic requirements
IPC SM 782 : A1993 AMD 2 1999 SURFACE MOUNT DESIGN AND LAND PATTERN STANDARD

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