EN 61076-4-101:2001

SLOVENSKI SIST EN 61076-4-101:2002
prva izdaja
STANDARD
september 2002
Connectors with assessed quality, for use in d.c., low frequency analogue and
digital high-speed data applications - Part 4: Printed board connectors - Section
101: Detail specification for two-part connector modules having a basic grid of 2,0
mm for printed boards and backplanes in accordance with IEC 60917 (IEC 61076-4-
101:2001
ICS 31.220.10 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 61076-4-101
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2001
ICS 31.220.10 Supersedes EN 61076-4-101:1998
English version
Connectors for electronic equipment
Part 4-101: Printed board connectors with assessed quality -
Detail specification for two-part connector modules, having a basic grid of
2,0 mm for printed boards and backplanes in accordance with IEC 60917
(IEC 61076-4-101:2001)
Connecteurs pour équipements Steckverbinder für elektronische
électroniques Einrichtungen
Partie 4-101: Connecteurs pour cartes Teil 4-101: Steckverbinder für gedruckte
imprimées sous assurance de la qualité - Schaltungen mit bewerteter Qualität -
Spécification particulière pour modules de Bauartspezifikation für indirekte
connecteurs en deux parties, au pas de Steckverbindermodule im Raster 2,0 mm
base de 2,0 mm, pour cartes imprimées et für Leiterplatten und Rückplatten nach
fonds de panier selon la CEI 60917 IEC 60917
(CEI 61076-4-101:2001) (IEC 61076-4-101:2001)
This European Standard was approved by CENELEC on 2001-10-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and 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
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61076-4-101:2001 E

Foreword
The text of document 48B/1065/FDIS, future edition 2 of IEC 61076-4-101, prepared by SC 48B,
Connectors, of IEC TC 48, Electromechanical components and mechanical structures for electronic
equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
EN 61076-4-101 on 2001-10-01.
This European Standard supersedes EN 61076-4-101:1998.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-07-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-10-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annex ZA is normative and annexes A and B are informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61076-4-101:2001 was approved by CENELEC as a
European Standard without any modification.
__________
- 3 - EN 61076-4-101:2001
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
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 60068-1 Environmental testing EN 60068-1 1994
-
Part 1: General and guidance
IEC 60086 Series Primary batteries EN 60086 Series
1) 2)
IEC 60352-1 - Solderless connections EN 60352-1 1997
Part 1: Wrapped connections - General
requirements, test methods and
practical guidance
1) 2)
IEC 60352-5 - Part 5: Press-in connections - General EN 60352-5 2001
requirements, test methods and
practical guidance
IEC 60410 1973 Sampling plans and procedures for--
inspection by attributes
IEC 60512 Series Connectors for electronic equipment - EN 60512 Series
Tests and measurements
1) 2)
IEC 60917-1 - Modular order for the development of EN 60917-1 1998
mechanical structures for electronic
equipment practices
Part 1: Generic standard
1) 2)
IEC 60917-2-2 - Part 2: Sectional specification - EN 60917-2-2 1996
Interface co-ordination dimensions for
the 25 mm equipment practice -
Section 2: Detail specification -
Dimensions for subracks, chassis,
backplanes, front panels and plug-in
units
1)
Undated reference.
2)
Valid edition at time of issue.

Publication Year Title EN/HD Year
IEC 61076-1 1995 Connectors with assessed quality, for EN 61076-1 1995
use in d.c., low frequency analogue and
in digital high-speed data applications -
Part 1: Generic specification - Capability
approval
IEC 61076-4 1995 Part 4: Sectional specification - Printed EN 61076-4 1996
board connectors
ISO 1302 1992 Technical drawings - Method of --
indicating surface texture
NORME
CEI
INTERNATIONALE IEC
61076-4-101
INTERNATIONAL
QC 480301XX0002
STANDARD
Deuxième édition
Second edition
2001-09
Connecteurs pour équipements électroniques –
Partie 4-101:
Connecteurs pour cartes imprimées sous
assurance de la qualité –
Spécification particulière pour modules de
connecteurs en deux parties, au pas de base
de 2,0 mm, pour cartes imprimées et fonds
de panier selon la CEI 60917
Connectors for electronic equipment –
Part 4-101:
Printed board connectors with assessed quality –
Detail specification for two-part connector modules,
having a basic grid of 2,0 mm for printed boards
and backplanes in accordance with IEC 60917
© IEC 2001 Droits de reproduction réservés ⎯ Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
XD
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

61076-4-101 © IEC:2001 – 3 –
CONTENTS
FOREWORD.15
1 General data .21
1.1 Recommended method of mounting.21
1.1.1 Number of contacts and contact cavities.23
1.2 Ratings and characteristics .23
1.3 Normative references .23
1.4 Marking .25
1.5 IEC type designation .27
1.6 Ordering information.29
2 Technical data.29
2.1 Definitions .29
2.1.1 Mechanical features .29
2.1.2 Contacts and terminations .31
2.1.3 Engagement sequence .31
2.1.4 Mechanical coding.33
2.2 Surveys of styles and variants .33
2.2.1 Styles of connector modules.33
2.2.2 Survey of termination variants .37
2.2.3 Survey of coding devices.37
2.3 Information on application .39
2.3.1 Complete connectors (pairs).39
2.3.2 Fixed board connectors .41
2.3.3 Free board connectors.43
2.3.4 Accessories.43
2.3.5 Shielding and grounding .47
2.3.6 Basic type of termination .49
2.4 Contact arrangements .51
3 Dimensional information .55
3.1 General .55
3.2 Isometric view and common features.55
3.2.1 Common features .57
3.2.2 Reference system.57
3.2.3 Height dimensions .57
3.2.4 Width dimensions .59
3.2.5 Depth dimensions.61
3.3 Mating information.61
3.3.1 Engaging direction.61
3.3.2 Perpendicular to engaging direction.63
3.3.3 Inclination.63
3.4 Fixed board connectors .65
3.4.1 Dimensions of connector modules .65
3.4.2 Dimensions of contacts.81
3.4.3 Terminations .83

61076-4-101 © IEC:2001 – 5 –
3.5 Free board connectors .87
3.5.1 Dimensions of connector modules .87
3.5.2 Dimensions of contacts.105
3.5.3 Terminations .107
3.6 Accessories.109
3.6.1 Dimensions of coding devices.109
3.7 Mounting information for fixed board connectors .113
3.8 Mounting information for free board connectors.133
3.9 Gauges .153
3.9.1 Sizing gauges and retention force gauges .153
3.9.2 Test gauge for first contact point .155
4 Characteristics .157
4.1 Climatic category.157
4.2 Electrical .157
4.2.1 Creepage and clearance distances .157
4.2.2 Voltage proof.159
4.2.3 Current-carrying capacity.159
4.2.4 Contact resistance.161
4.2.5 Insulation resistance.161
4.3 Mechanical.161
4.3.1 Mechanical operation.161
4.3.2 Engaging and separating forces .161
4.3.3 Contact retention in insert.163
4.3.4 Static load, transverse.163
4.3.5 Gauge retention force.163
4.3.6 Vibration (sinusoidal).163
4.3.7 Shock .165
4.3.8 Polarizing method.165
4.3.9 Robustness and effectiveness of coding devices .165
5 Test schedule.167
5.1 General .167
5.1.1 Arrangement for contact resistance measurement .169
5.1.2 Arrangement for dynamic stress tests.169
5.1.3 Arrangement for testing static load, transverse .171
5.1.4 Arrangement for voltage proof and polarization voltage .171
5.1.5 Arrangement for flammability test .171
5.2 Test schedule tables .173
5.2.1 Group P – Preliminary .173
5.2.2 Group A – Dynamic/Climatic .175
5.2.3 Group B – Mechanical endurance .179
5.2.4 Group C – Moisture .181
5.2.5 Group D – Electrical load.181
5.2.6 Group E – Mechanical resistivity.183
5.2.7 Group F – Chemical resistivity .183
5.2.8 Group G – Connections .183

61076-4-101 © IEC:2001 – 7 –
6 Quality assessment procedures.185
6.1 Qualification approval.185
6.1.1 Method 1 .185
6.1.2 Method 2 .185
6.2 Quality conformance inspection.185
6.2.1 Lot-by-lot tests .185
6.2.2 Periodic tests.187
6.3 Delayed delivery, re-inspection.189
Annex A (informative) Special contacts Ø 4,8 mm.191
Annex B (informative) Code numbers and colour references .197
Figure 1 – Typical grid layout for 2,0 mm connector modules .21
Figure 2 – Examples of complete connector arrangements .39
Figure 3 – Co-ordination dimensions and their tolerances in the 25 mm metric
equipment practice .41
Figure 4 – Example of matching coding devices.45
Figure 5 – Example of grounding and shielding arrangement .47
Figure 6 – Mating dimensions of shielding frame for row f (five rows) and i (eight rows).49
Figure 7 – Mating dimensions of the shielding frame for row z .49
Figure 8 – Co-ordination dimensions in metric equipment practice
(shown for five rows only) .55
Figure 9 – Height dimensions, modular pitch of 25 mm .59
Figure 10 – Width dimensions, modular pitches .59
Figure 11 – Depth dimensions .61
Figure 12 – Contact range .61
Figure 13 – Allowed misalignment in transverse and longitudinal axes.63
Figure 14 – Allowed inclination of transverse and longitudinal axes .63
Figure 15 – Dimensions of fixed MPC (five rows) .65
Figure 16 – Dimensions of fixed MPC (eight rows) .67
Figure 17 – Dimensions of style A, fixed 50 mm module with MPC (five rows).69
Figure 18 – Dimensions of style B, fixed 50 mm module without MPC (five rows).69
Figure 19 – Dimensions of style D, fixed 50 mm module with MPC (eight rows) .71
Figure 20 – Dimensions of style E, fixed 50 mm module without MPC (eight rows).73
Figure 21 – Dimensions of style C, fixed 25 mm extension module .73
Figure 22 – Dimensions of style F, fixed 25 mm extension module.75
Figure 23 – Dimensions of cavities for fixed special contacts .77
Figure 24 – Dimensions of style L, fixed 50 mm mixed module with six special contacts .77
Figure 25 – Dimensions of style M, fixed 50 mm mixed module
with three special contacts.79

61076-4-101 © IEC:2001 – 9 –
Figure 26 – Dimensions of style N, fixed 25 mm extension module
with three special contacts.79
Figure 27 – Dimensions of male contacts.81
Figure 28 – Dimensions of free MPC (five rows) .87
Figure 29 – Dimensions of free MPC (eight rows) .89
Figure 30 – Dimensions of free MPC .91
Figure 31 – Dimensions of style A, free 50 mm module with MPC (five rows).93
Figure 32 – Dimensions of style B, free 50 mm module without MPC (five rows) .93
Figure 33 – Dimensions of style D, free 50 mm module with MPC (eight rows).95
Figure 34 – Dimensions of style E, free 50 mm module without MPC (eight rows) .95
Figure 35 – Dimensions of style C, free 25 mm extension module (five rows).97
Figure 36 – Dimensions of style F, free 25 mm extension module (eight rows).99
Figure 37 – Dimensions of cavities for free special contacts .101
Figure 38 – Dimensions of style L, free 50 mm module with six special contacts.101
Figure 39 – Dimensions of style M, free 50 mm mixed module
with three special contacts.103
Figure 40 – Dimensions of style N, free 25 mm extension module
with three special contacts.103
Figure 41 – Depth dimensions on female contact .105
Figure 42 – Dimensions of guiding apertures in free board connector .105
Figure 43 – Dimensions of fixed coding device .109
Figure 44 – Dimensions of free coding device.111
Figure 45 – Hole pattern on backplane for style A.113
Figure 46 – Hole pattern on backplane for style D.115
Figure 47 – Hole pattern on backplane for style B.117
Figure 48 – Hole pattern on backplane for style E.119
Figure 49 – Hole pattern on backplane for style C.121
Figure 50 – Hole pattern on backplane for style F .123
Figure 51 – Hole pattern on backplane for style L .125
Figure 52 – Hole pattern on backplane for style G.127
Figure 53 – Hole pattern on backplane for style M .129
Figure 54 – Hole pattern on backplane for style N.131
Figure 55 – Hole pattern in printed board for style A .133
Figure 56 – Hole pattern in printed board for style D .135
Figure 57 – Hole pattern in printed board for style B .137
Figure 58 – Hole pattern in printed board for style E .139
Figure 59 – Hole pattern in printed board for style C .141
Figure 60 – Hole pattern in printed board for style F .143
Figure 61 – Hole pattern in printed board for style L.145
Figure 62 – Hole pattern in printed board for style G.147
Figure 63 – Hole pattern in printed board for style M.149
Figure 64 – Hole pattern in printed board for style N .151

61076-4-101 © IEC:2001 – 11 –
Figure 65 – Sizing and retention force gauges for female contacts.153
Figure 66 – Retention force gauge for grounding rows .153
Figure 67 – Retention force gauge for shielding frames .155
Figure 68 – First contact point gauge for female contacts .155
Figure 69 – Current-carrying capacity: derating curves for different contact
arrangements.159
Figure 70 – Points of connection for contact resistance measurement .169
Figure 71 – Fixture for dynamic stress tests.169
Figure 72 – Test arrangement and application forces for static load test .171
Figure 73 – Wiring arrangement for voltage proof and polarization voltage
(shown for five rows).171
Figure 74 – Arrangement for flammability test .171
Figure A.1 – Dimensions relevant to mounting and mating of special contacts
(engaging direction) .193
Figure A.2 – Example of an extraction tool for fixed special contacts Ø 4,8 mm .195
Figure A.3 – Example of an extraction tool for free special contacts Ø 4,8 mm .195
Table 1 – Number of contact cavities per style .23
Table 2 – Survey of styles A, B and C.33
Table 3 – Survey of styles D, E and F .35
Table 4 – Survey of style G.35
Table 5 – Survey of styles for special contacts.37
Table 6 – Termination variants.37
Table 7 – Examples of contact arrangements (shown for five rows only) .53
Table 8 – Number of loaded contacts (shown for five rows only, without grounding rows) .53
Table 9 – Co-ordination dimensions and common features in metric equipment practice.57
Table 10 – Height dimensions, examples of complete connectors .57
Table 11 – Contact ranges for all three contact levels .63
Table 12 – Straight press-in terminations.83
Table 13 – Straight press-in terminations with wrap posts.83
Table 14 – Straight press-in terminations with wrap posts and rear plug-up contacts .85
Table 15 – 90° angled press-in terminations .107
Table 16 – Climatic category.157
Table 17 – Minimum creepage and clearance distances for different contact arrangements.157
Table 18 – Voltage proof for different contact arrangements (in V r.m.s.).159
Table 19 – Current-carrying capacity for different contact arrangements .159
Table 20 – Insulation resistance .161

61076-4-101 © IEC:2001 – 13 –
Table 21 – Number of mechanical operations .161
Table 22 – Engaging and separating forces .161
Table 23 – Contact retention force in insert for different types of terminations .163
Table 24 – Vibration.165
Table 25 – Shock.165
Table 26 – Polarizing method.165
Table 27 – Number of specimens for inspection and test sequence .167
Table 28 – Group P – Preliminary testing sequence.173
Table 29 – Group A – Dynamic/climatic testing sequence .175
Table 30 – Group B – Mechanical endurance testing sequence .179
Table 31 – Group C – Moisture testing sequence.181
Table 32 – Group D – Electrical load testing sequence .181
Table 33 – Group E – Mechanical resistivity testing sequence .183
Table 34 – Group F – Chemical resistivity testing sequence .183
Table 35 – Number of specimens and permitted defectives.185
Table 36 – Assessment levels and AQL values .187
Table 37 – Periodic tests, number of specimens, and permitted defectives .189
Table 38 – Re-inspection of delayed delivery.189
Table A.1 – Special contacts Ø 4,8 mm for connector modules styles L, M, and N .191
Table B.1 – Matching coding devices and their colours according to RAL .197

61076-4-101 © IEC:2001 – 15 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CONNECTORS FOR ELECTRONIC EQUIPMENT –
Part 4-101: Printed board connectors with assessed quality –
Detail specification for two-part connector modules,
having a basic grid of 2,0 mm for printed boards
and backplanes in accordance with IEC 60917
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61076-4-101 has been prepared by subcommittee 48B: Connectors, of
IEC technical committee 48: Electromechanical components and mechanical structures for
electronic equipment.
This second edition of IEC 61076-4-101 cancels and replaces the first edition, published in
1995, and constitutes a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
48B/1065/FDIS 48B/1096/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
Annexes A and B are for information only.

61076-4-101 © IEC:2001 – 17 –
This part 4-101 constitutes the detail specification in the IEC quality assessment system for
electronic components (IECQ) for two-part connector modules having a basic grid of 2,0 mm
for printed boards and backplanes in accordance with IEC 60917.
The QC number that appears on the front cover of this publication is the specification number
in the IEC Quality Assessment System for Electronic Components (IECQ).
This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.
The committee has decided that the contents of this publication will remain unchanged
until 2005. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
The contents of the corrigendum of November 2003 have been included in this copy.

61076-4-101 © IEC:2001 – 19 –
CONNECTORS FOR ELECTRONIC EQUIPMENT –
Part 4-101: Printed board connectors with assessed quality –
Detail specification for two-part connector modules,
having a basic grid of 2,0 mm for printed boards
and backplanes in accordance with IEC 60917
IEC SC 48B: CONNECTORS IEC 61076-4-101
Specification available from: IEC Central Office QC 480301XX0002
or from the addresses shown on the inside front cover.
Electronic components of assessed quality Blank detail specification:
IEC 61076-4-001:1996
DETAIL SPECIFICATION in accordance with IEC 61076-1:1995
Two-part connector modules
for printed boards and backplanes, grid of
2,0 mm in accordance with IEC 60917.
Grid 2 mm × 2 mm
Stackable connector modules, five rows
(shown) and eight rows, 50 mm
(and 25 mm) long, with optional coding,
shielding and cavities for special
contacts.
Performance levels (PL): 1, 2, 3
Assessment levels: A and G
Combinations of performance and
assessment levels:
1G, 2A, 2G and 3A.
IEC  1202/01
Information on the availability of components qualified to this detail specification is given in
the qualified products list.
61076-4-101 © IEC:2001 – 21 –
1 General data
Throughout this specification dimensions are in millimetres.
1.1 Recommended method of mounting
A complete connector consists of one or more connector modules which are stackable end to
end, without loss of contact positions.
Guiding, coding, and mounting features are grouped in a multipurpose centre (called MPC
throughout this specification).
Free board connector modules are mounted on the edge of the printed circuit board and have
female contacts with angled press-in terminations.
Fixed board connector modules are mounted on the backplane and have male contacts with
straight press-in terminations with optional solderless wrapping and/or rear plug-up contacts.
The gap between the backplane and the edge of the printed board is 12,5 mm.
The contact row b on the backplane is in line with the reference plane "width" of the printed board.
The termination row a on the printed board lies 1,5 mm from the edge and 14 mm from the
backplane.
Datum plane depth
Reference plane depth for
free board connector
f
e
Datum plane width
d
c
b
a
b c d e z/f
z
a
Datum plane depth
Reference plane depth for
free board connector
i
h
g
f
e Datum plane width
d
c
b
a
b c d e f g h z/i
z
IEC  1203/01
a
Figure 1 – Typical grid layout for 2,0 mm connector modules

61076-4-101 © IEC:2001 – 23 –
1.1.1 Number of contacts and contact cavities
The connector modules have five or eight contact rows, and two optional grounding rows,
which can be fully or partially loaded. 50 mm connector modules can have up to a maximum
of 200 signal contacts and 50 additional grounding contacts.
Table 1 – Number of contact cavities per style
Style (see 2.2.1) A/D B/E C/F G L M N
Cavities for contacts 110/176 125/200 55/88 – – 55 –
Cavities for grounding contacts 44/44 50/50 22/22 – – 22 –
Cavities for special contacts ––– 66 33
1.2 Ratings and characteristics
Rated voltage: contact/contact 500 V r.m.s.
Current rating: 1 A at 70 °C (all signal contacts loaded)
Insulation resistance: 10 MΩ minimum
Climatic category: PL1: 55/125/56
PL2: 55/125/21
PL3: 55/125/00
Printed board: diameter of plated-through hole: 0,55 mm to 0,65 mm
thickness of backplane: 1,4 mm to 5,6 mm
thickness of printed board: 1,4 mm to 4,2 mm
1.3 Normative references
The following normative documents contain provisions which, through reference in this text,
constitute provisions of this part of IEC 61076. For dated references, subsequent amendments to,
or revisions of, any of these publications do not apply. However, parties to agreements based
on this part of IEC 61076 are encouraged to investigate the possibility of applying the most
recent editions of the normative documents indicated below. For undated references, the
latest edition of the normative document referred to applies. Members of IEC and ISO
maintain registers of currently valid International Standards.
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 60086 (all parts), Primary batteries
IEC 60352-1, Solderless connections – Part 1: Wrapped connections – General requirements,
test methods and practical guidance
IEC 60352-5, Solderless connections – Part 5: Solderless press-in connections – General
requirements, test methods and practical guidance
IEC 60410:1973, Sampling plans and procedures for inspection by attributes
IEC 60512 (all parts), Electromechanical components for electronic equipment – Basic testing
procedures and measuring methods

61076-4-101 © IEC:2001 – 25 –
IEC 60917-1, Modular order for development of mechanical structures for electronic
equipment practices – Part 1: Generic standard
IEC 60917-2-2, Modular order for development of mechanical structures for electronic
equipment practices – Part 2: Sectional specification – Interface co-ordination dimensions for
the 25 mm equipment practice – Section 2: Detail specification – Dimensions for subracks,
chassis, backplanes, front panels and plug-in units
IEC 61076-1:1995, Connectors with assessed quality, for use in d.c., low-frequency analogue
and in digital high speed data applications – Part 1: Generic specification
IEC 61076-4:1995, Connectors with assessed quality, for use in d.c., low-frequency analogue
and in digital high speed data applications – Part 4: Sectional specification – Printed board
connectors
ISO 1302:1992, Technical drawings – Method of indicating surface texture
1.4 Marking
The marking of the connector and the package shall be in accordance with 2.6 of IEC 61076-4.

61076-4-101 © IEC:2001 – 27 –
1.5 IEC type designation
See 2.1 for definitions and 2.2 for designation of styles and variants.
IEC 61076-4-101 – L N N N L N N N N – L N N N L
Reference to this
NOTE
specification
L stands for letter
N stands for digit
Style of connector module
(see 2.2.1)
Assessment level
50 mm with MPC (5 rows) A
A Level A
50 mm without MPC (5 rows) B
25 mm extension module (5 rows) C G Level G
50 mm with MPC (8 rows) D
50 mm without MPC (8 rows) E
Performance level
25 mm extension module (8 rows) F
(see clause 4)
50 mm module for fibre optic contacts G
Coding device: code number NNNN K
1 Performance level 1
50 mm for six special contacts L
2 Performance level 2
50 mm mixed module for three special M
3 Performance level 3
contacts (5 rows)
25 mm extension module for three N
Contact finish
special contacts
Single signal contact S
0 Not applicable
1 Gold alloy
Number of contact cavities (see 1.1.1)
2 Palladium alloy with gold flash
(without grounding rows)
Not applicable 000
Single contact 001
Contact arrangement or
code number (style K) (see 2.2.3)
Style A 110
Type of termination Variant (see 2.2.2)
Style B 125
Style C 055
L1 90° angled press-in Compliant press-in
Style D 176
for hole ∅ 0,6;
Style E 200
length 3
Style F 088
Style M 055
P1 Straight press-in Compliant press-in
for hole ∅ 0,6;
Type of co
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