Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 4: Type SC connector family

IEC 61754-4:2022 is available as IEC 61754-4:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61754-4:2021 specifies the standard interface dimensions for type SC family of connectors. This third edition cancels and replaces the second edition published in 2013 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the test method IEC 61300-3-22 for the compression force of the ferrule was added;
- Annex A (informative) with cut out dimension requirements for testing the strength of mounted adaptors was added.

Dispositifs d’interconnexion et composants passifs fibroniques - Interfaces de connecteurs fibroniques - Partie 4: Famille de connecteurs de type SC

IEC 61754-4:2022 est disponible sous forme de IEC 61754-4:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 61754-4:2022 spécifie les dimensions d'interfaces normalisées pour la famille de connecteurs de type SC. La présente troisième édition annule et remplace la deuxième édition publiée en 2013, et constitue une révision technique. La présente édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- ajout de la méthode d'essai de l'IEC 61300-3-22 sur la force de compression de la férule;
- ajout de l'Annexe A (informative) avec les exigences relatives aux dimensions des découpes pour réaliser les essais de résistance des raccords montés.

General Information

Status
Published
Publication Date
27-Feb-2022
Current Stage
PPUB - Publication issued
Completion Date
28-Feb-2022
Ref Project

Buy Standard

Standard
IEC 61754-4:2022 - Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 4: Type SC connector family
English and French language
73 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (sample)

IEC 61754-4
Edition 3.0 2022-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Fibre optic
connector interfaces –
Part 4: Type SC connector family
Dispositifs d’interconnexion et composants passifs fibroniques – Interfaces de
connecteurs fibroniques –
Partie 4: Famille de connecteurs de type SC
IEC 61754-4:2022-02(en-fr)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2022 IEC, Geneva, Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form

or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from

either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC

copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or

your local IEC member National Committee for further information.

Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite ni

utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et

les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des

questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez

les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.

IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC

The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes

International Standards for all electrical, electronic and related technologies.
About IEC publications

The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the

latest edition, a corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch

The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the

variety of criteria (reference number, text, technical publications previews. With a subscription you will always have

committee, …). It also gives information on projects, replaced access to up to date content tailored to your needs.

and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 300 terminological entries in English
details all new publications released. Available online and once
and French, with equivalent terms in 19 additional languages.
a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc
If you wish to give us your feedback on this publication or need
further assistance, please contact the Customer Service
Centre: sales@iec.ch.
A propos de l'IEC

La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des

Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.

A propos des publications IEC

Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la

plus récente, un corrigendum ou amendement peut avoir été publié.

Recherche de publications IEC - Découvrez notre puissant moteur de recherche et consultez

webstore.iec.ch/advsearchform gratuitement tous les aperçus des publications. Avec un

La recherche avancée permet de trouver des publications IEC abonnement, vous aurez toujours accès à un contenu à jour

en utilisant différents critères (numéro de référence, texte, adapté à vos besoins.

comité d’études, …). Elle donne aussi des informations sur les

projets et les publications remplacées ou retirées. Electropedia - www.electropedia.org

Le premier dictionnaire d'électrotechnologie en ligne au monde,
IEC Just Published - webstore.iec.ch/justpublished
avec plus de 22 300 articles terminologiques en anglais et en
Restez informé sur les nouvelles publications IEC. Just
français, ainsi que les termes équivalents dans 19 langues
Published détaille les nouvelles publications parues.
additionnelles. Egalement appelé Vocabulaire
Disponible en ligne et une fois par mois par email.
Electrotechnique International (IEV) en ligne.
Service Clients - webstore.iec.ch/csc
Si vous désirez nous donner des commentaires sur cette
publication ou si vous avez des questions contactez-nous:
sales@iec.ch.
IEC Products & Services Portal - products.iec.ch
---------------------- Page: 2 ----------------------
IEC 61754-4
Edition 3.0 2022-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Fibre optic
connector interfaces –
Part 4: Type SC connector family
Dispositifs d’interconnexion et composants passifs fibroniques – Interfaces de
connecteurs fibroniques –
Partie 4: Famille de connecteurs de type SC
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-1077-6

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61754-4:2022 © IEC 2022
CONTENTS

FOREWORD ........................................................................................................................... 4

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 6

4 Description ...................................................................................................................... 6

5 Interfaces ........................................................................................................................ 7

Annex A (informative) Panel dimensions .............................................................................. 35

A.1 General ................................................................................................................. 35

A.2 Simplex adaptor .................................................................................................... 35

A.3 Duplex adaptor ..................................................................................................... 35

Bibliography .......................................................................................................................... 37

Figure 1 – Simplex PC plug connector interface ...................................................................... 8

Figure 2 – Simplex adaptor connector interface .................................................................... 11

Figure 3 – Pin gauge for adaptor ........................................................................................... 12

Figure 4 – Duplex PC plug connector interface ..................................................................... 13

Figure 5 – Duplex adaptor connector interface ...................................................................... 16

Figure 6 – Simplex angled PC plug connector interface ........................................................ 18

Figure 7 – Duplex angled PC plug connector interface .......................................................... 20

Figure 8 – Simplex active device receptacle interface for angled PC connector plug ............. 23

Figure 9 – Simplex active device receptacle interface for PC connector plug ........................ 26

Figure 10 – Duplex active device receptacle interface for angled PC connector plug............. 29

Figure 11 – Duplex active device receptacle interface for PC connector plug ........................ 32

Figure A.1 – Panel cut out .................................................................................................... 35

Figure A.2 – Fixture cut out ................................................................................................... 35

Table 1 – Interfaces ................................................................................................................ 7

Table 2 – Intermateability of interfaces ................................................................................... 7

Table 3 – Dimensions of the simplex PC plug connector interface ........................................... 9

Table 4 – Grade characteristics for simplex PC plug connector ............................................. 10

Table 5 – Dimensions of the simplex adaptor connector interface ......................................... 11

Table 6 – Grade characteristics for simplex adaptor connector ............................................. 12

Table 7 – Pin gauge dimensions ........................................................................................... 12

Table 8 – Dimensions of the duplex PC plug connector interface .......................................... 14

Table 9 – Grade characteristics for duplex PC plug connector .............................................. 15

Table 10 – Dimensions of the duplex adaptor connector interface ......................................... 17

Table 11 – Grade of the duplex adaptor connector ................................................................ 17

Table 12 – Dimensions of the simplex angled PC plug connector interfaces .......................... 19

Table 13 – Dimensions of the duplex angled PC plug connector interfaces ........................... 21

Table 14 – Dimensions of the simplex active device receptacle interface for angled PC

connector plug ...................................................................................................................... 24

---------------------- Page: 4 ----------------------
IEC 61754-4:2022 © IEC 2022 – 3 –

Table 15 – Alignment feature grade of the simplex active device receptacle interface

for angled PC connector plug ................................................................................................ 25

Table 16 – Mechanical stop feature grade of the simplex active device receptacle

interface for angled PC connector plug ................................................................................. 25

Table 17 – Dimensions of the simplex active device receptacle interface for PC

connector plug ...................................................................................................................... 27

Table 18 – Alignment feature grade of the simplex active device receptacle interface

for PC connector plug ........................................................................................................... 28

Table 19 – Mechanical stop feature grade of the simplex active device receptacle

interface for PC connector plug ............................................................................................. 28

Table 20 – Dimensions of the duplex active device receptacle interface for angled PC

connector plug ...................................................................................................................... 30

Table 21 – Alignment feature grade of the duplex active device receptacle interface for

angled PC connector plug ..................................................................................................... 31

Table 22 – Mechanical stop feature grade of the duplex active device receptacle

interface for angled PC connector plug ................................................................................. 31

Table 23 – Dimensions of the duplex active device receptacle interface for PC

connector plug ...................................................................................................................... 33

Table 24 – Alignment feature grade of the duplex active device receptacle interface for

PC connector plug ................................................................................................................ 34

Table 25 – Mechanical stop feature grade of the duplex active device receptacle

interface for PC connector plug ............................................................................................. 34

Table A.1 – Dimensions for simplex adaptor ......................................................................... 35

Table A.2 – Dimensions for duplex adaptor ........................................................................... 36

---------------------- Page: 5 ----------------------
– 4 – IEC 61754-4:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
FIBRE OPTIC CONNECTOR INTERFACES –
Part 4: Type SC connector family
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). 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. 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 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 IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence between

any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

IEC 61754-4 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and

passive components, of IEC technical committee 86: Fibre optics. It is an International Standard.

This third edition cancels and replaces the second edition published in 2013 and constitutes a

technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:

a) the test method IEC 61300-3-22 for the compression force of the ferrule was added;

b) Annex A (informative) with cut out dimension requirements for testing the strength of

mounted adaptors was added.
---------------------- Page: 6 ----------------------
IEC 61754-4:2022 © IEC 2022 – 5 –
The text of this International Standard is based on the following documents:
Draft Report on voting
86B/4563/FDIS 86B/4584/RVD

Full information on the voting for its approval can be found in the report on voting indicated in

the above table.
The language used for the development of this International Standard is English.

This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available

at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are

described in greater detail at www.iec.ch/standardsdev/publications.

A list of all parts of the IEC 61754 series, under the general title Fibre optic interconnecting

devices and passive components – Fibre optic connector interfaces, can be found on the IEC

website.

Future standards in this series will carry the new general title as cited above. Titles of existing

standards in this series will be updated at the time of the next edition.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under webstore.iec.ch in the data related to the

specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 7 ----------------------
– 6 – IEC 61754-4:2022 © IEC 2022
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
FIBRE OPTIC CONNECTOR INTERFACES –
Part 4: Type SC connector family
1 Scope

This part of IEC 61754 specifies the standard interface dimensions for type SC family of

connectors.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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.

IEC 61300-3-22, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 3-22: Examinations and measurements – Ferrule compression

force

IEC 61754-1, Fibre optic interconnecting devices and passive components – Fibre optic

connector interfaces – Part 1: General and guidance
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 61754-1 apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
4 Description

The parent connector for the type SC connector family is a single position plug connector

characterized by a 2,5 mm nominal ferrule diameter. It includes a push-pull coupling mechanism

which is spring loaded relative to the ferrule in the direction of the optical axis. The plug has a

single male key which may be used to orient and limit the relative position between the

connector and the component to which it is mated. The optical alignment mechanism of the

connector is of a sleeve style.

This document defines the standard interface dimensions of active device receptacles for the

type SC connectors. The receptacles are used to retain the connector plug and mechanically

maintain the optical datum target of the plugs at a defined position within the receptacle

housings.
---------------------- Page: 8 ----------------------
IEC 61754-4:2022 © IEC 2022 – 7 –
5 Interfaces
This document contains the standard interfaces showed in Table 1.
Table 1 – Interfaces

Interface IEC 61754-4-1 Simplex plug connector interface – push/pull, physical contact (PC)

Interface IEC 61754-4-2 Simplex adaptor connector interface – push/pull
Interface IEC 61754-4-3 Duplex plug connector interface – push/pull, PC
Interface IEC 61754-4-4 Duplex adaptor connector interface – push/pull

Interface IEC 61754-4-5 Simplex plug connector interface – push/pull, angled PC (APC) 8°

Interface IEC 61754-4-6 Duplex plug connector interface – push/pull, APC 8°

Interface IEC 61754-4-X1 Simplex active device receptacle interface – for APC 8°connector plug

Interface IEC 61754-4-X2 Simplex active device receptacle interface – for PC connector plug

Interface IEC 61754-4-X3 Duplex active device receptacle interface – for APC 8°connector plug

Interface IEC 61754-4-X4 Duplex active device receptacle interface – for PC connector plug

Table 2 shows the intermateability of interfaces.
Table 2 – Intermateability of interfaces
Adaptors/active device receptacles
Plugs
61754-4-2 61754-4-4 61754-4-X1 61754-4-X2 61754-4-X3 61754-4-X4
61754-4-1 Mate Mate Not mate Mate Not mate Mate
61754-4-3 Not mate Mate Not mate Not mate Not mate Mate
61754-4-5 Mate Mate Mate Not mate Mate Not mate
61754-4-6 Not mate Mate Not mate Not mate Mate Not mate

Figure 1 is an example of a simplex PC plug connector interface. Table 3 gives dimensions of

the simplex PC plug connector interface and Table 4 gives the grade characteristics for simplex

PC plug connector interface.

A chamfer or radius is allowed to a maximum depth of 1,8 mm from the ferrule endface.

---------------------- Page: 9 ----------------------
– 8 – IEC 61754-4:2022 © IEC 2022
Figure 1 – Simplex PC plug connector interface
---------------------- Page: 10 ----------------------
IEC 61754-4:2022 © IEC 2022 – 9 –
Table 3 – Dimensions of the simplex PC plug connector interface
Reference Dimensions Remarks
Minimum Maximum
A See Table 4
B 4,8 mm 4,9 mm
C 6,8 mm 7,4 mm
D 4,9 mm 5,3 mm
E 6,7 mm 6,8 mm
F 19° 23° Angle, unit in degrees
G Angle, unit in degrees
25° 35°
H 7,15 mm 7,5 mm
I 0,8 mm 1,2 mm
J 5,3 mm 5,5 mm
K – 0,05 mm
L 2,11 mm –
b c
M 2,0 mm 2,8 mm
N 6,6 mm 6,8 mm
O 1,6 mm 1,8 mm
P 8,89 mm 8,99 mm
Q 0,8 mm 1,0 mm
R 7,29 mm 7,39 mm
S 0,8 mm 0,90 mm Radius
T 4,05 mm 4,15 mm
U 5,4 mm 5,6 mm
V 0 mm 0,5 mm
BC 0 mm 0,5 mm Chamfer or round
BF See IEC 61755-3-1
Radius
BG See IEC 61755-3-1 Diameter
BI Angle, unit in degrees
25° 35°

Dimension H is given for plug endface when not mated. The ferrule is movable by a certain axial compression

force, with direct contacting endfaces, and therefore dimension H is variable. Ferrule compression force shall

be 7,8 N to 11,8 N when dimension H is 7,0 mm ± 0,1 mm. The compression force shall be measured according

to IEC 61300-3-22.

The delatch housing shall be movable to the right or left. Dimensions L, M and V are given when the delatch

housing is at the furthest right. Dimension M shall be negative, when the delatch housing is at the furthest left.

The right end of M shall be at the left of the mechanical datum target when the delatch housing is at the furthest

left.
Dome eccentricity of the spherical polished endface shall be less than 50 μm.
---------------------- Page: 11 ----------------------
– 10 – IEC 61754-4:2022 © IEC 2022
Table 4 – Grade characteristics for simplex PC plug connector
Dimensions
Grade Remarks
Minimum Maximum
A See IEC 61755-3-1
B See IEC 61755-3-1
C See IEC 61755-3-1
D See IEC 61755-3-1
a b
A Grade not specified at this time
a b
B 2,497 2,500
a b
C 2,494 2,500
Add the grade number to the interface reference number.
b 1
Refer to future IEC 61755-6-1 for guidance .

Figure 2 is an example of a simplex adaptor connector interface. Table 5 gives dimensions of

the simplex adaptor connector interface and Table 6 gives the grade of the simplex adaptor

connector interface.
___________
Under preparation. Stage at the time of publication: IEC/CDM 61755-6-1:2021.
---------------------- Page: 12 ----------------------
IEC 61754-4:2022 © IEC 2022 – 11 –
Figure 2 – Simplex adaptor connector interface
Table 5 – Dimensions of the simplex adaptor connector interface
Dimensions
Reference Remarks
Minimum Maximum
A See Table 6
B 4,39 mm 4,79 mm
D 4,9 mm 5,5 mm
H 6,9 mm 7,1 mm
I 0,4 mm 0,8 mm
J 5,51 mm 5,90 mm
K 0,06 mm 1,00 mm
L 1,9 mm 2,1 mm
O 2,0 mm 2,2 mm
P 9,0 mm 9,1 mm
R 7,4 mm 7,5 mm
S 1,0 mm 1,1 mm Radius
T 3,80 mm 4,04 mm
U 5,0 mm 5,3 mm
V 0,6 mm 1,6 mm
AA Angle, unit in degrees
27° 33°
AB 0,8 mm 1,0 mm
AC 0,4 mm 0,6 mm Radius
---------------------- Page: 13 ----------------------
– 12 – IEC 61754-4:2022 © IEC 2022
Dimensions
Reference Remarks
Minimum Maximum
AD 0,7 mm 0,8 mm
AE 0,4 mm 0,6 mm
AI 2,7 mm 2,8 mm
BA 5,4 mm 5,6 mm
BB 10,8 mm 11,2 mm

The dotted line structure in Figure 2 is a groove-shape preventing interference when the latch is deformed. It

is optional.
Table 6 – Grade characteristics for simplex adaptor connector
Dimensions
Grade Remarks
Minimum Maximum
a a b
Resilient sleeve
Add the grade number to the interface reference number.

The connector alignment feature is a resilient sleeve. The feature shall accept a pin

gauge shown in Figure 3 to the centre of the adaptor with a force of 2 N to 5,9 N under

the condition that another pin gauge is inserted into the feature from the other side.

The centre of the adaptor is defined by the right side position of dimension H.

Figure 3 is an example of a pin gauge for adaptor. Table 7 gives pin gauge dimensions.

Figure 3 – Pin gauge for adaptor
Table 7 – Pin gauge dimensions
Dimensions
Reference mm Remarks
Minimum Maximum
CK 2,498 5 2,499 5 Surface roughness:
grade N4 (0,2 μm radius)
CL 2,8 4,8
CN 7

Figure 4 is an example of a duplex PC plug connector interface. Table 8 gives dimensions of

the duplex PC plug connector interface and Table 9 gives the grade of the duplex PC plug

connector interface.

A chamfer or radius is allowed to a maximum depth of 1,8 mm from the ferrule endface.

---------------------- Page: 14 ----------------------
IEC 61754-4:2022 © IEC 2022 – 13 –
Figure 4 – Duplex PC plug connector interface
---------------------- Page: 15 ----------------------
– 14 – IEC 61754-4:2022 © IEC 2022
Table 8 – Dimensions of the duplex PC plug connector interface
Dimensions
Reference Remarks
Minimum Maximum
A See Table 9
B 4,8 mm 4,9 mm
C 6,8 mm 7,4 mm
D 4,9 mm 5,3 mm
E 6,7 mm 6,8 mm
F Angle, unit in degrees
19° 23°
G Angle, unit in degrees
25° 35°
H 7,15 mm 7,5 mm
I 0,8 mm 1,2 mm
J 5,3 mm 5,5 mm
K – 0,05 mm
L 2,11 mm –
b c
M 2,0 mm 2,8 mm
N 6,6 mm 6,8 mm
O 1,6 mm 1,8 mm
P 8,79 mm 8,89 mm
Q 0,8 mm 1,0 mm
R 7,29 mm 7,39 mm
S 0,8 mm 0,9 mm Radius
T 4,05 mm 4,15 mm
U 5,4 mm 5,6 mm
V 0 mm 0,5 mm
BC 0 mm 0,5 mm Chamfer or round
BF See IEC 61755-3-1
Radius
BG See IEC 61755-3-1 Diameter
BI Angle, unit in degrees
25° 35°
DB 12,65 mm 12,75 mm
DD 7 mm 35 mm

Dimension H is given for plug endface when not mated. The ferrule is movable by a certain axial compression

force, with direct contacting endfaces, and therefore dimension H is variable. Ferrule compression force shall

be 7,8 N to 11,8 N when dimension H is 7,0 mm ± 0,1 mm. The compression force shall be measured according

to IEC 61300-3-22.

The delatch housing shall be movable to the right or left. Dimensions L, M and V are given when the delatch

housing is at the furthest right.

The right end of M shall be at the left of the mechanical datum target when the delatch housing is at the furthest

left.

The delatch housing may be a rigid sleeve. When two simplex plugs are retained together by a flexible sleeve,

dimension P shall be from 8,89 mm to 8,99 mm.

The delatch housing may be a rigid sleeve. When two simplex plugs are retained together by a flexible sleeve,

dimension DB shall be from 12,25 mm to 13,15 mm.

The dome eccentricity of the spherical polished endface shall be less than 50 μm.

---------------------- Page: 16 ----------------------
IEC 61754-4:2022 © IEC 2022 – 15 –
Table 9 – Grade chara
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.