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EN 1758:1997

Current
Current

The latest, up-to-date edition.

Copper and copper alloys - Strip for lead frames
Published date

17-12-1997

Foreword
1 Scope
2 Normative references
3 Definitions
   3.1 Strip
   3.2 Lead frame
4 Designations
   4.1 Material
   4.2 Material condition
   4.3 Product
5 Ordering information
6 Requirements
   6.1 Composition
   6.2 Mechanical properties
   6.3 Technological properties
   6.4 Dimensions and tolerances
   6.5 Form tolerances
   6.6 Surface properties
   6.7 Edge stress
   6.8 Electrical conductivity
7 Sampling
   7.1 General
   7.2 Analysis
   7.3 Mechanical and other tests
8 Test methods
   8.1 Analysis
   8.2 Tensile test
   8.3 Hardness test
   8.4 Bend test
   8.5 Edge burr b
   8.6 Coil set
   8.7 Transverse cross bow q
   8.8 Twist alpha
   8.9 Roughness
   8.10 Solderability
   8.11 Edge stress
   8.12 Electrical resistivity or conductivity test
   8.13 Retests
   8.14 Rounding of results
9 Declaration of conformity and inspection documentation
   9.1 Declaration of conformity
   9.2 Inspection documentation
10 Marking, packaging, labelling
Tables
Annex A (informative) Physical properties
Annex B (informative) Bibliography
Annex C (normative) Lead fatigue test

This European Standard specifies the composition, property requirements and tolerances on dimensions and form for copper and copper alloy strip for lead frame material, with width up to and including 100 mm. Thickness from 0,1 mm up to and including 1,0 mm, generally used for stamped lead frames for integrated circuits and low power devices and thicknesses from 1,0 mm up to and including 2,0 mm are generally used for stamped lead frames for high power devices.

Committee
CEN/TC 133
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
NS EN 1758 : 1ED 1998 Identical
NF EN 1758 : 1998 Identical
PN EN 1758 : 2002 Identical
NEN EN 1758 : 1998 Identical
BS EN 1758:1998 Identical
I.S. EN 1758:1998 Identical
SN EN 1758 : 1998 Identical
UNI EN 1758 : 1999 Identical
NBN EN 1758 : 1998 Identical
UNE-EN 1758:1998 Identical
DIN EN 1758:1998-03 Identical

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