CLC/TR 61340-5-2:2008

SLOVENSKI STANDARD
01-september-2009
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Electrostatics -- Part 5-2: Protection of electronic devices from electrostatic phenomena -
User guide
Elektrostatik -- Teil 5-2: Schutz von elektronischen Bauelementen gegen elektrostatische
Phänomene - Benutzerhandbuch
Electrostatique -- Partie 5-2: Protection des dispositifs électroniques contre les
phénomènes électrostatiques - Guide d'utilisation
Ta slovenski standard je istoveten z: CLC/TR 61340-5-2:2008
ICS:
17.220.99 Drugi standardi v zvezi z Other standards related to
elektriko in magnetizmom electricity and magnetism
31.020 Elektronske komponente na Electronic components in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL REPORT
CLC/TR 61340-5-2
RAPPORT TECHNIQUE
April 2008
TECHNISCHER BERICHT
ICS 17.220.99; 29.020 Supersedes EN 61340-5-2:2001

English version
Electrostatics -
Part 5-2: Protection of electronic devices
from electrostatic phenomena -
User guide
(IEC/TR 61340-5-2:2007)
Electrostatique -  Elektrostatik -
Partie 5-2: Protection des dispositifs Teil 5-2: Schutz von elektronischen
électroniques contre les phénomènes Bauelementen gegen elektrostatische
électrostatiques - Phänomene -
Guide d'utilisation Benutzerhandbuch
(CEI/TR 61340-5-2:2007) (IEC/TR 61340-5-2:2007)

This Technical Report was approved by CENELEC on 2008-02-15.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. CLC/TR 61340-5-2:2008 E

Foreword
The text of the Technical Report IEC/TR 61340-5-2:2007, prepared by IEC TC 101, Electrostatics, was
submitted to the vote in accordance with the Internal Regulations, Part 2, Subclause 11.4.3.3 (simple
majority) and was approved by CENELEC as CLC/TR 61340-5-2 on 2008-02-15.
This Technical Report supersedes EN 61340-5-2:2001.
The main changes with respect to EN 61340-5-2:2001 are listed below:
has been arranged to follow the requirements of EN 61340-5-1 as closely as possible as well as
providing specific guidance on each of the requirements of EN 61340-5-1.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the Technical Report IEC/TR 61340-5-2:2007 was approved by CENELEC as a Technical
Report without any modification.
__________
– 3 – CLC/TR 61340-5-2:2008
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

1) 2)
IEC 60749-26 Semiconductor devices - Mechanical and EN 60749-26
- 2006
climatic test methods -
Part 26: Electrostatic discharge (ESD)
sensitivity testing - Human body model
(HBM)
1) 2)
IEC 61340-2-1 - Electrostatics - EN 61340-2-1 2002
Part 2-1: Measurement methods - Ability of
materials and products to dissipate static
electric charge
1) 2)
IEC 61340-2-3 - Electrostatics - EN 61340-2-3 2000
Part 2-3: Methods of test for determining the
resistance and resistivity of solid planar
materials used to avoid electrostatic charge
accumulation
1) 2)
IEC 61340-4-1 - Electrostatics - EN 61340-4-1 2004
Part 4-1: Standard test methods for specific
applications - Electrical resistance of floor
coverings and installed floors

1) 2)
IEC 61340-4-3 - Electrostatics - EN 61340-4-3 2001
Part 4-3: Standard test methods for specific
applications - Footwear
1) 2)
IEC 61340-4-5 - Electrostatics - EN 61340-4-5 2004
Part 4-5: Standard test methods for specific
applications - Methods for characterizing the
electrostatic protection of footwear and
flooring in combination with a person

1) 2)
IEC 61340-5-1 - Electrostatics - EN 61340-5-1 2007
Part 5-1: Protection of electronic devices
from electrostatic phenomena - General
requirements
1)
ANSI/ESD STM2.1 - Standard Test Method for the protection of - -
electrostatic discharge susceptible items -
Garments
1)
ANSI/ESD STM3.1 - Standard Test Method for the protection of - -
electrostatic discharge susceptible items -
Ionization
———————
1)
Undated reference.
2)
Valid edition at date of issue.

IEC/TR 61340-5-2
Edition 1.0 2007-08
TECHNICAL
REPORT
RAPPORT
TECHNIQUE
Electrostatics –
Part 5-2: Protection of electronic devices from electrostatic phenomena –
User guide
Electrostatique –
Partie 5-2: Protection des dispositifs électroniques contre les phénomènes
électrostatiques – Guide d’utilisation

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XB
CODE PRIX
ICS 17.220.99; 29.020 ISBN 2-8318-9175-2

– 2 – TR 61340-5-2 © IEC:2007
CONTENTS
FOREWORD.4
INTRODUCTION.6

1 Scope.8
2 Normative references .8
3 Terms and definitions .9
4 ESD control program plan .9
4.1 Developing an ESD control program plan .9
4.1.1 Assignment of an ESD coordinator .9
4.1.2 Determination of part ESD sensitivity.9
4.1.3 Initial process and organizational assessment .9
4.1.4 Documentation of ESD control program plan .10
4.1.5 Tailoring .11
4.2 Development of a training plan .11
4.2.1 Personnel training .11
4.3 Development of a compliance verification plan .13
4.3.1 Introduction .13
4.3.2 ESD control items.13
4.3.3 Verification frequency.14
4.3.4 Type of verifications .14
4.3.5 ESD control item limits .14
4.3.6 Test methods.14
4.3.7 Test equipment.15
4.3.8 Auditor skills.15
4.3.9 Reporting of audit findings.15
4.4 Grounding/bonding systems .18
4.4.1 Introduction .18
4.4.2 Basic grounding requirements .18
4.4.3 Additional grounding considerations .20
4.4.4 Verification of ESD grounding system.21
4.4.5 Verification of proper installation of ESD control items.22
4.5 Personnel grounding .22
4.5.1 System requirements.22
4.5.2 Wrist strap system.23
4.5.3 Footwear-flooring system .23
4.6 Protected areas (EPA).25
4.7 ESD control items .26
4.7.1 Work surfaces .26
4.7.2 Wrist straps .29
4.7.3 Static protective floor materials .33
4.7.4 Footwear .38
4.7.5 Static protective seating .39
4.7.6 Ionization.40
4.7.7 Garments .51
4.7.8 Storage racks and shelving.54
4.7.9 Mobile equipment .55

TR 61340-5-2 © IEC:2007 – 3 –
4.8 Packaging electronic products for shipment and storage .56
4.8.1 Introduction and purpose .56
4.8.2 Definitions .56
4.8.3 Selecting/designing the right package .57
4.9 Marking .60
4.9.1 Marking of assemblies and equipment .60
4.9.2 Marking of packaging .61
4.9.3 Other marking considerations .62

Annex A (informative) Example ESD control document based on IEC 61340-5-1 .63
Annex B (informative) ESD control element considerations .69

Figure 1 – Example audit report showing current status of ESD program .16
Figure 2 – Example audit report showing target for manufacturing line.17
Figure 3 – Example audit report showing audit trend report.17
Figure 4a – North American electrical power system.19
Figure 4b – Malaysia electrical power system .19
Figure 4c – UK electrical power system – Single phase system .19
Figure 4 – Country-specific electrical power systems .19
Figure 5 –Example of individually grounded benches - Recommended.20
Figure 6 – Example of a series ground connection of benches – Not recommended.21
Figure 7 – Relationship between body voltage and resistance to ground.23
Figure 8 – Voltage reading on person walking across grounded conductive floor whilst
wearing two heelstraps .24
Figure 9 – Ionization by alpha radiation .42
Figure 10 – Corona ionization – Positive.42
Figure 11 – Corona ionization – Negative .42
Figure 12 – ESD sensitive part or assembly.61
Figure 13 – Example of a warning label for ESDS .61
Figure 1
...