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EN 168000 : 1993 AMD 2 1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

GENERIC SPECIFICATION - QUARTZ CRYSTAL UNITS

Superseded date

01-12-2002

Published date

12-01-2013

Foreword
Preface
SECTION 1 - Scope
SECTION 2 - General
2.1 Order of precedence
2.2 Related documents
2.3 Units, symbols and terminology
2.4 Preferred ratings and characteristics
2.5 Marking
SECTION 3 - Quality assessment procedures
3.1 Primary stage of manufacture
3.2 Structurally similar components
3.3 Subcontracting
3.4 Manufacturer's approval
3.5 Approval procedures
3.6 Procedures for capability approval
3.7 Procedures for qualification approval
3.8 Test procedures
3.9 Screening requirements
3.10 Rework and repair work
3.11 Certified test records
3.12 Delayed delivery
3.13 Release for delivery
3.14 Unchecked parameters
SECTION 4 - TEST AND MEASUREMENT PROCEDURES
4.1 General
4.2 Alternative methods
4.3 Precision of measurement
4.4 Standard conditions for testing
4.5 Visual inspection
4.6 Dimensioning and gauging procedures
4.7 Electrical test procedures
4.7.1 Frequency and resonance resistance
4.7.2 Drive level dependency
4.7.3 Frequency and resonance resistance as a function
       of temperature
4.7.4 Unwanted responses
4.7.5 Shunt capacitance
4.7.6 Load resonance frequency and resistance
4.7.7 Frequency pulling range
4.7.8 Motional parameters
4.7.9 Insulation resistance
4.8 Mechanical and environmental test procedures
4.8.1 Robustness of terminations
4.8.2 Sealing tests
4.8.3 Soldering (Solderability and resistance to solder
       heat)
4.8.4 Rapid change of temperature, two-fluid-bath method
4.8.5 Rapid change of temperature with prescribed time
       of transition
4.8.6 Bump
4.8.7 Vibration
4.8.8 Shock
4.8.9 Free fall
4.8.10 Acceleration, steady state
4.8.11 Dry heat
4.8.12 Damp heat, cyclic
4.8.13 Cold
4.8.14 Climatic sequence
4.8.15 Damp heat steady state
4.8.16 Immersion in cleaning solvents
4.9 Endurance test procedure
4.9.1 Ageing
4.9.2 Extended ageing
4.9.3 Shelf life
Annex A. Drive level dependency

Describes test methods and general requirements for quartz crystal units of assessed quality, by either capability or qualification approval procedures.

Committee
TC 49
DevelopmentNote
Supersedes CECC 68000 (08/2005)
DocumentType
Standard
PublisherName
Cenelec Electronic Components Committee
Status
Superseded
Supersedes

Standards Relationship
I.S. EN 168000:1994 Identical
BS EN 168000:1996 Identical
DIN EN 168000 : 1993 AMD 2 1998 Identical

EN 168100:1993 Sectional Specification: Quartz crystal units (Capability approval)
BS EN 167000:1993 Harmonized system of quality assessment for electronic components. Generic specification: piezoelectric filters
EN 167100 : 1995 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: PIEZOELECTRIC FILTERS (CAPABILITY APPROVAL)
BS EN 167100:1996 Harmonized system of quality assessment for electronic components. Section specification: piezoelectric filters (Capability approval)

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