1、BRITISH STANDARD BS EN 60169-25:1994 IEC 169-25: 1992 Radio-frequency connectors Part 25: Two-pole screw ( 3 / 4 -20UNEF) coupled connectors for use with shielded balanced cables having twin inner conductors with inner diameter of outer conductor13,56mm (0,534in)(TypeTWHN) The European Standard EN60
2、169-25:1993 has the status of a British Standard UDC621.316.541.029.5/.7BS EN60169-25:1994 This British Standard, having been prepared under the directionof the Electronic Components Standards PolicyCommittee, was publishedunder the authorityofthe Standards Boardand comes into effecton 15March1994 B
3、SI 01-2000 The following BSI references relate to the work on this standard: Committee reference ECL/6 Draft announced in BSI News January1994 ISBN 0 580 22837 1 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Sta
4、ndard was prepared, comprises the national committees of the following countries: Austria Italy Belgium Luxembourg Denmark Netherlands Finland Norway France Portugal Germany Spain Greece Sweden Iceland Switzerland Ireland UnitedKingdom Amendments issued since publication Amd. No. Date CommentsBS EN6
5、0169-25:1994 BSI 01-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 60169-25 3 National annex NA (informative) Committees responsible Inside back coverBS EN60169-25:1994 ii BSI 01-2000 National foreword This British Standard has been prepa
6、red under the direction of the Electronic Components Standards Policy Committee, and is the English language version of EN60169-25:1993 Radio-frequency connectorsPart25:Two-pole screw ( 3 / 4 -20UNEF) coupled connectors for use with shielded balanced cables having twin inner conductors with inner di
7、ameter of outer conductor13,56mm (0,534in) (Type TWHN), published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 169-25:1992 published by the International Electrotechnical Committee (IEC). A British Standard does not purport to include all the nec
8、essary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theE
9、N title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60169-25 Septe
10、mber 1993 UDC 621.316.541.029.5/.7 Descriptors:Radio-frequency connectors two-pole screw coupling, type TWHN English version Radio-frequency connectors Part 25:Two-pole screw ( 3 / 4 -20 UNEF) coupled connectors for use with shielded balanced cables having twin inner conductors with inner diameter o
11、f outer conductor13,56mm (0,534in) (Type TWHN) (IEC 169-25:1992) Connecteurs pour frquences radiolectriques Partie 25:Connecteurs deux ples ( 3 / 4 -20 UNEF) verrouillage vis, applicables des cbles symtriques blinds ayant deux conducteurs intrieurs dont le diamtre intrieur du conducteur extrieur est
12、 gal 13,56mm (0,534in) (type TWHN) (CEI 169-25:1992) Hochfrequenz-Steckverbindungen Teil 25:Zweipolige Schraubverbinder ( 3 / 4 -20UNEF) fr symmetrische, abgeschirmte Leitungen mit 2 Innenleitern, mit einem Innendurchmesser des Auenleiters von13,56mm (0,534in) (TypTWHN) (IEC169-25:1992) This Europea
13、n Standard was approved by CENELEC on1993-07-06. 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 co
14、ncerning 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 in
15、to 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, S
16、pain, Sweden, Switzerland and UnitedKingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1993 Copyright reserved to CENELEC me
17、mbers Ref.No.EN 60169-25:1993EEN60169-25:1993 BSI 01-2000 2 Foreword The CENELEC questionnaire procedure, performed for finding out whether or not the InternationalStandard IEC169-25:1992 could be accepted without textual changes, has shown that no common modifications were necessary for the accepta
18、nce as European Standard. The reference document was submitted to the CENELEC members for formal vote and was approved by CENELEC as EN60169-25 on6July1993. The following dates were fixed: For products which have complied with the relevant national standard before1994-08-01, as shown by the manufact
19、urer or by a certification body, this previous standard may continue to apply for production until1999-08-01. Contents Page Foreword 2 1 Scope 3 2 DimensionsMating face details 3 3 Gauge information 5 3.1 Gauges for inner contacts of socket connector 5 3.2 Gauges/tests for the outer contact of plug
20、connector 5 Figure 1 Connector with socket inner contacts 3 Figure 2 Connector with pin inner contacts 3 Figure 3 Dimensions:holding force and sizing test gauges 5 latest date of publication of an identical national standard (dop) 1994-08-01 latest date of withdrawal of conflicting national standard
21、s (dow) 1994-08-01EN60169-25:1993 BSI 01-2000 3 1 Scope Shielded balanced cables having twin inner conductors are being used extensively in North America and Europe in data processing systems. These cables are used to interconnect parts of computer systems which feature 2-pole screw ( 3 / 4 -20UNEF)
22、 coupled connectors having an inner diameter of outer conductor (IDOC) of13,56mm (0,534in). These connectors (Type TWHN) originated in the UnitedStates and the original dimensions are inches. Only the mating face details and gauge information are included for standardization. 2 DimensionsMating face
23、 details Inch dimensions are original dimensions. Figure 1 Connector with socket inner contacts (for dimensions, see table) Figure 2 Connector with pin inner contacts (for dimensions, see table)EN60169-25:1993 4 BSI 01-2000 NOTE 1Insulator shall be affixed in body to prevent rotation and to orient i
24、nsulator and contacts to the positions shown in Figure 1 andFigure 2. NOTE 2Black dot or a visible mark which is easily recognized. NOTE 3Minimum full thread. NOTE 4To start of key. NOTE 50,000mm(0,000in) to end of contacts. Ref. mm in Note Min. Max. Min. Max. a 19,18 0,755 diam. b 13,41 13,54 0,528
25、 0,533 diam. c 14,86 15,11 0,585 0,595 diam. d 15,62 15,88 0,615 0,625 diam. e 16,94 17,12 0,667 0,674 diam. f 13,72 0,540 g 12,07 0,475 0,218 h 5,54 j 4,55 0,179 3 k 2,16 2,57 0,085 0,101 4 l 0,381 0,015 m 4,32 0,170 n 5,74 6,50 0,226 0,256 o 9,80 9,91 0,386 0,390 p 1,63 0,064 diam. r 0,64 0,025 s
26、6,35 0,250 t 16,97 17,12 0,668 0,674 diam. u 1,70 2,74 0,067 0,108 w 1,55 0,061 x 6,10 6,60 0,240 0,260 y 5 z 1,32 1,37 0,052 0,054 diam. aa 19,30 0,760 diam. ab 14,81 14,91 0,583 0,587 diam. ac 13,56 13,67 0,534 0,538 diam. ad 2,54 0,100 ae 3,81 0,150 af 8,33 0,328 3 +0,76 0,51 +0,030 0,020EN60169-
27、25:1993 BSI 01-2000 5 3 Gauge information 3.1 Gauges for inner contacts of socket connector a) Insert sizing gauge pin fully three times over entire length, with the diameter of reference “a” being1,372mm (0,054in). b) Insert the holding force gauge fully following the application of the sizing gaug
28、e. The contact must support the weight of the gauge in a vertical downward position. The weight of the holding force gauge shall be56,7g, with the diameter of reference “a” being1,32mm(0,052in). 3.2 Gauges/tests for the outer contact of plug connector NOTEMaterial:steel, polished Surface roughness:R
29、a=0,44m (164in) maximum. Figure 3 Dimensions:holding force and sizing test gauges Mating characteristics Outer contact: Test ring: interior diameter:14,808mm (0,583in) maximum; finish:0,44m (164in). Insertion force test: Insertion depth: 3,175mm (0,125in) minimum. Insertion force: 66,7N (15lbs) maxi
30、mum. Contacts with slotted members: shall contact a 15,367mm (0,605in) minimum diameter ring within0,787mm (0,031in) of their tip ends. +0,005 0 +0,0002 0 0 0,005 0 0,00026 blankBS EN60169-25:1994 BSI 01-2000 National annex NA (informative) Committees responsible The UnitedKingdom participation in t
31、he preparation of this European Standard was entrusted by the Electronic Components Standards Policy Committee (ECL/-) to Technical Committee ECL/6, upon which the following bodies were represented: British Cable Makers Confederation British Telecommunications plc EEA (the Association of Electronics
32、, Telecommunications and Business Equipment Industries) National Supervising Inspectorate Society of British Aerospace Companies Limited Telecommunications Cables Group of Bcmc The following bodies were also represented in the drafting of the standard, through subcommittees and panels: AEA Technolog
33、y Beccama (Beama Electrical Cable Connector and Accessories Manufacturers Association) Electronic Components Industry Federation Ministry of Defence Society of Cable Television EngineersBS EN 60169-25:1994 IEC 169-25: 1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI i
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