1、BRITISH STANDARDBS EN 3375-007:2006Aerospace series Cable, electrical, for digital data transmission Part 007: Double braid 77 Ohms Type WW Product standardThe European Standard EN 3375-007:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g5
2、4g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 3375-007:2006This British Standard was published under the aut
3、hority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 580 50090 9National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3375-007:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aero
4、space avionic electrical and fibre optic technology, to Panel ACE/6/-/2, Aerospace Cables.A list of organizations represented on ACE/6/-/2 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for it
5、s correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN
6、 3375-007December 2006ICS 49.060English VersionAerospace series - Cable, electrical, for digital data transmission- Part 007: Double braid - 77 Ohms - Type WW - ProductstandardSrie arospatiale - Cbles lectriques pour transmissionde donnes numriques - Partie 007 : Double tresse - 77Ohms - Type WW - N
7、orme de produitLuft- und Raumfahrt - Elektrische Leitungen frDigitaldatenbertragungen - Teil 007: Doppelt geschirmt -77 Ohms - Type WW - ProduktnormThis European Standard was approved by CEN on 28 September 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulat
8、e the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists i
9、n three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of
10、Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR
11、 STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3375-007:2006: ELicensed Copy: Wang Bin, na, Thu
12、Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics.5 5 Tests6 6 Quality assurance9 7 Identification and marking (according to EN 3375-002 and TR 6058) 9 8 Packaging .10 9 Technic
13、al specification .10 EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 3375-007:2006) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries an
14、d votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standa
15、rd, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN an
16、d/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmar
17、k, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:3
18、9 GMT+00:00 2007, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies the required characteristics of double braid, 77 Ohms, size 26 electrical cable type WW, intended for digital data transmissions. Main electrical characteristics are given in 4.3. It shall be used together with EN 3375-001
19、 and EN 3375-002. 2 Normative references 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. EN 2083,
20、 Aerospace series Copper or copper alloy conductors for electrical cables Product standard. EN 2084, Aerospace series Cables, electric, single-core, general purpose, with conductors in copper or copper alloy Technical specification. EN 2235, Aerospace series Single and multicore electrical cables, s
21、creened and jacketed Technical specification. EN 3375-001, Aerospace series Cable, electrical, for digital data transmission Technical specification.1)EN 3375-002, Aerospace series Cable, electrical, for digital data transmission General. 1)EN 3475-100*, Aerospace series Cables, electrical, aircraft
22、 use Test methods Part 100: General. EN 9133, Aerospace series Quality management systems Qualification Procedure for aerospace standard parts. TR 6058, Aerospace series Cable code and identification list. 2)3 Terms and definitions For the purposes of this standard, the terms and definitions given i
23、n EN 3475-100 apply. *And all parts quoted in this standard. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published as ASD Technical Report at the date of publication of this standard. EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007,
24、 Uncontrolled Copy, (c) BSI5 4 Required characteristics 4.1 Dimensions and mass See Figure 1 and Table 1. 63541ENWW2Key c Two cores size 26, according to EN 2083 C001 (AWG 26) d Insulation of elements: Fluorocarbon (colour: see 7.5) e Two fillers f Braid screen, silver plated copper (strand = 0,08 m
25、m) g Braid screen, silver plated copper (strand = 0,08 mm) h Outer sheath fluorocarbon (colour: see 7.5) Figure 1 Table 1 Braid screen Core (AECMA EN 2083) Insulation f g Outer sheath Mass diameter diameter diameter diameter Composition min. max. max. max. min. max. max. N mm mm mm mm mm g/m19 0,10
26、0,45 0,53 0,85 2,00 2,40 2,80 3,00 21 26 EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSI6 4.2 General characteristics (according to EN 2235 and EN 3475-100) Operating temperature . : 65 C to 200 C Bend radius recommended minimum bend radius
27、 . : R = 20 mm Twisting pitch ranging between 8 and 16 times the external diameter of the dual-conductor assembly. 4.3 Electrical characteristics Impedance : (77 7) at 1 MHz Capacitance : 75 pF/m max. Attenuation maximum . : 4,1 dB/100 m at 1 MHz For information: maximum voltage rating 250 V AC Tran
28、sfer impedance (Zt/m/m): direct current . : 30 1 MHz : 15 10 MHz . : 15 30 MHz . : 15 100 MHz : N.A. 5 Tests According to EN 3375-001 and EN 3475-100. See Table 2. Table 2 Carried out on EN 3475- Designation of the test Component aCable 201 Visual examination Applicable Applicable 202 Mass Not appli
29、cable Applicable see Table 1. 203 Dimensions Applicable Applicable see Table 1. 301 Ohmic resistance per unit length Not applicable Applicable 153 /km maximum 302 Voltage proof test Not applicable Applicable Elements: 1 500 V AC Jacket: Dry: 1 000 V AC Immersion: 500 V AC 303 Insulation resistance N
30、ot applicable Applicable 1 500 M km at 20 C continued EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSI7 Table 2 (continued) Carried out on EN 3475- Designation of the test Component aCable 304 Surface resistance Applicable Applicable 1 250 M
31、.mm 305 Overload resistance Not applicable Not applicable 306 Continuity of conductors Applicable Applicable 307 Corona extinction voltage Not applicable Not applicable 401 Accelerated ageing Not applicable Applicable T = operating Temperature 230 C 168 h Mandrel 50 mm Load = 0,25 daN 402 Shrinkage
32、and delamination Applicable T C = 200 C 0,8 mm max. Applicable T C = 200 C 2 mm max. 403 Delamination and blocking Not applicable Applicable T C = 200 C Mandrel 50 mm 404 Thermal shock Applicable T C = 200 C 0,8 mm max. Applicable T C = 200 C 2 mm max. 405 Bending at ambient temperature Not applicab
33、le Applicable Load = 1 daN Mandrel 50 mm 406 Cold bend test Not applicable Applicable Load = 1 daN Mandrel 50 mm 407 Flammability Not applicable Applicable Load = 1 daN 408 Fire resistance Not applicable Not applicable 409 Air-excluded ageing Not applicable Not applicable 410 Thermal endurance Not a
34、pplicable Not applicable 411 Resistance to fluids Not applicable Applicable 412 Humidity resistance Not applicable Not applicable 413 Wrap back test Not applicable Not applicable 414 Differential scanning calorimeter (DSC test) Not applicable Not applicable 415 Rapid change of temperature Not applic
35、able Not applicable 416 Thermal stability Not applicable Not applicable 417 Fire resistance inside harness Not applicable Not applicable 418 Conductor thermal endurance Not applicable Not applicable continued EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontroll
36、ed Copy, (c) BSI8 Table 2 (continued) Carried out on EN 3475- Designation of the test Component a Cable 501 Dynamic cut-through Not applicable Applicable at 23 C: 1 daN at operating temperature: 0,5 daN 502 Notch propagation Not applicable Applicable Notch = 0,05 mm Mandrel 50 mm 503 Scrape abrasion
37、 Not applicable Applicable F = 1 daN 504 Torsion Not applicable Not applicable 505 Tensile test on conductors and strands Applicable Not applicable 506 Plating continuity Applicable Applicable 507 Adherence of plating Applicable Applicable 508 Plating thickness Applicable Applicable 509 Solderabilit
38、y Applicable Maximum wetting time: 5 s Applicable Maximum wetting time: 5 s 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable Not applicable 511 Cable-to-cable abrasion Not applicable Not applicable 512 Flexure endurance Not applicable Not applicab
39、le 513 Deformation resistance (Installation with plastic cable ties) Not applicable Not applicable 514 Porosity of copper cladding Not applicable Not applicable 601 Smoke density Not applicable Not applicable 602 Toxicity Not applicable Not applicable 603 Resistance to wet arc tracking Not applicabl
40、e Not applicable 604 Resistance to dry arc propagation Not applicable Not applicable 605 Wet short circuit test Not applicable Not applicable 701 Strippability and adherence of insulation to the conductor Applicable 0,25 daN Applicable 702 Screen pushback capability Not applicable Applicable 703 Per
41、manence of manufacturers marking Not applicable Applicable 704 Flexibility Not applicable Not applicable 705 Contrast measurement Not applicable Not applicable 706 Laser markability Not applicable Not applicable continued EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 200
42、7, Uncontrolled Copy, (c) BSI9 Table 2 (concluded) Carried out on EN 3475- Designation of the test Component a Cable 801 Capacitance per unit length Not applicable Mutual capacitance See 4.3. 802 Capacitance unbalance Not applicable Applicable 5 % 803 Capacitance variation Not applicable Not applica
43、ble 804 Velocity of propagation Not applicable Not applicable 805 Characteristic impedance Not applicable Applicable Differential impedance See 4.3. 806 Attenuation Not applicable Applicable See 4.3. 807 Transfer impedance Not applicable Applicable See 4.3. 808 Cross-talk Not applicable Not applicab
44、le 809 Resistance unbalance (DC) Not applicable Not applicable 810 Structural return loss Not applicable Not applicable 811 Unbalance attenuation Not applicable Not applicable aSamples from finished cable. 6 Quality assurance See EN 9133. 7 Identification and marking (according to EN 3375-002 and TR
45、 6058) 7.1 Designation EXAMPLE Description block ELECTRICAL CABLE Identity block EN3375-007C01 Reference of this standard Nature of braid (C: silver plated copper) Jacket marking code (see Table 3) EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c
46、) BSI10 7.2 Short designation See Table 3. Table 3 Braid code Jacket code Short designation C None WW 26 C 01 WW R 26 C 02 WW B 26 7.3 Marking EXAMPLE EN WW R 26 FRF 05 7.4 Colour of the marking on the jacket Code “none“: Green or Black; Code 01: Red (main line); Code 02: Blue (branch line). 7.5 Col
47、our of components Cores: 1 white + 1 light blue; Jacket: white. 8 Packaging See EN 3375-001. 9 Technical specification See EN 2084. See EN 2235. See EN 3375-001. EN 3375-007:2006Licensed Copy: Wang Bin, na, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, n
48、a, Thu Apr 05 06:47:39 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 3375-007:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the intern
49、ational level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical c
