1、BRITISH STANDARDBS EN 3375-003:2007Aerospace series Cable, electrical, for digital data transmission Part 003: Single braid 77 Ohms Type KG Product standardThe European Standard EN 3375-003:2007 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g5
2、4g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3375-003:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2007 BSI 2007ISBN 978
3、0 580 60058 6National forewordThis British Standard is the UK implementation of EN 3375-003:2007. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Panel ACE/6/-/2, Aerospace Cables.A list of organizations
4、represented on this committee 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 its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendm
5、ents issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3375-003November 2007ICS 49.060English VersionAerospace series - Cable, electrical, for digital data transmission- Part 003: Single braid - 77 Ohms - Type KG - Product standardSrie arospatiale - Cble
6、s lectriques pour transmissionde donnes numriques - Partie 003 : Simple tresse - 77Ohms - Type KG - Norme de produitLuft- und Raumfahrt - Elektrische Leitungen frDigitaldatenbertragungen - Teil 003: Einfach geschirmt -77 Ohm - Type KG - ProduktnormThis European Standard was approved by CEN on 23 May
7、 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate 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
8、on application to the CEN Management Centre or to any CEN member.This European Standard exists in 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 CEN Management Ce
9、ntre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland
10、, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any me
11、ans reservedworldwide for CEN national Members.Ref. No. EN 3375-003:2007: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics.5 4.1 Dimensions and mass.5 4.2 General characteristics .6 4.3 Electrical characteristics 6 5 Tests6 6 Quality
12、 assurance9 7 Identification and marking (according to EN 3375-002 and TR 6058) 10 7.1 Designation 10 7.2 Short designation 10 7.3 Marking .10 7.4 Colour of the marking on the jacket 10 7.5 Colour of components 10 8 Packaging .11 9 Technical specification .11 EN 3375-003:20073 Foreword This document
13、 (EN 3375-003:2007) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Offic
14、ial Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2008, and conflicting national standards shall be withdrawn at th
15、e latest by May 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national
16、standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Polan
17、d, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3375-003:20074 1 Scope This standard specifies the required characteristics of single braid, 77 Ohms, size 24 electrical cable type KG, intended for digital data transmissions. General characteristics are
18、 given in 4.2. Main electrical characteristics are given in 4.3. It shall be used together with EN 3375-001 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 und
19、ated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, 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 o
20、r copper alloy Technical specification. EN 3375-001, Aerospace series Cable, electrical, for digital data transmission Part 001: Technical specification. 1)EN 3375-002, Aerospace series Cable, electrical, for digital data transmission Part 002: General. 1)EN 3475-100*, Aerospace series Cables, elect
21、rical, aircraft 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 identification list. 2)3 Terms and definitions For the purposes of this document, the terms and definitio
22、ns given in EN 3475-100 apply. *All parts quoted in Table 2. 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 3375-003:20075 4 Required characteristics 4.1 Dimensions and mass See Figure
23、1 and Table 1. ENxx24xxx0512345Optional tapeKey c Two conductors size 24, according to EN 2083 C002 (AWG 24). d Insulation of elements: Fluorocarbon (colour: see 7.5) e Two fillers f Braid screen, silver (C) plated copper (strand = 0,10 mm) g Outer sheath: Fluorocarbon (colour: see 7.5) Figure 1 Tab
24、le 1 Core (EN 2083) Insulation Braid screen f Outer sheath Mass diameter diameter diameter diameter Composition min. max. max. max. min. max. max. N mm mm mm mm mm g/m19 0,12 0,55 0,62 1,30 3,00 3,00 3,50 24,0 Optional tapeEN 3375-003:20076 4.2 General characteristics Operating temperature (Silver p
25、lated copper braid) : 65 C to 200 C Minimum bend radius : R = 20 mm UV laser markable 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 (70 pF/m nominal) : 78 pF/m max. Attenuatio
26、n maximum . : 3,6 dB/100 m at 1 MHz For information: maximum voltage rating 600 V AC Transfer impedance (Zt maximum in m/m): direct current . : 45 1 MHz : 45 10 MHz . : 45 30 MHz . : 100 100 MHz : N.A. 5 Tests According to EN 3375-001 and EN 3475-100. See Table 2. EN 3375-003:20077 Table 2 Carried o
27、ut on EN 3475- Designation of the test Component aCable 201 Visual examination Applicable Applicable 202 Mass Not applicable Applicable, see Table 1. 203 Dimensions Applicable Applicable, see Table 1. 301 Ohmic resistance per unit length Not applicable Applicable 109 /km maximum 302 Voltage proof te
28、st Not applicable Applicable Elements: 1,5 kV AC Jacket: Dry: 1,0 kV AC or Dry impulse: 1,5 kV AC or Immersion: 500 V AC 303 Insulation resistance Not applicable Applicable 1 500 M km at 20 C 304 Surface resistance Applicable Applicable 1 250 M.mm 305 Overload resistance Not applicable Not applicabl
29、e 306 Continuity of conductors Applicable Applicable 307 Corona extinction voltage Not applicable Not applicable 401 Accelerated ageing Not applicable Applicable T = maximum operating temperature 30 C - 168 h Mandrel 50 mm Load = 0,7 daN 402 Shrinkage and delamination Applicable T C = 200 C 0,8 mm m
30、ax. Applicable At maximum operating temperature 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 At maximum operating temperature 2 mm max. 405 Bending at ambient temperature Not applicable App
31、licable Load = 0,7 daN Mandrel 50 mm 406 Cold bend test Not applicable Applicable Load = 0,7 daN Mandrel 50 mm 407 Flammability Not applicable Applicable Load = 0,7 daN continued EN 3375-003:20078 Table 2 (continued) Carried out on EN 3475- Designation of the test Component aCable 408 Fire resistanc
32、e Not applicable Not applicable 409 Air-excluded ageing Not applicable Not applicable 410 Thermal endurance Not applicable 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 Diff
33、erential scanning calorimeter (DSC test) Not applicable Not applicable 415 Rapid change of temperature Not applicable 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
34、 applicable 501 Dynamic cut-through Not applicable Applicable at 23 C: 1 daN at maximum operating temperature: 0,5 daN 502 Notch propagation Not applicable Applicable Notch = 0,05 mm Mandrel 50 mm 503 Scrape abrasion Not applicable Applicable F = 1 daN 504 Torsion Not applicable Not applicable 505 T
35、ensile 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 Solderability Applicable Maximum wetting time 5 s Applicable Maximum wetting time 5 s 510 Tensil
36、e 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 applicable 513 Deformation resistance (Installation with plastic cable ties) Not applicable No
37、t applicable 514 Porosity of copper cladding Not applicable Not applicable 601 Smoke density Not applicable Applicable continued EN 3375-003:20079 Table 2 (concluded) Carried out on EN 3475- Designation of the test Component a Cable 602 Toxicity Not applicable Applicable 603 Resistance to wet arc tr
38、acking Not applicable 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 applicabl
39、e Applicable 703 Permanence of manufacturers marking Not applicable Applicable 704 Flexibility Not applicable Not applicable 705 Contrast measurement Not applicable Applicable K 50 % 706 Laser markability Not applicable Applicable 801 Capacitance per unit length Not applicable Mutual capacitance See
40、 4.3. 802 Capacitance unbalance Not applicable Applicable 5 % 803 Capacitance variation Not applicable Not applicable 804 Velocity of propagation Not applicable Not applicable 805 Characteristic impedance Not applicable Applicable Differential impedance See 4.3. 806 Attenuation Not applicable Applic
41、able See 4.3. 807 Transfer impedance Not applicable Applicable See 4.3. 808 Cross-talk Not applicable Not applicable 809 Resistance unbalance (DC) Not applicable Not applicable 810 Structural return loss Not applicable Not applicable 811 Unbalance attenuation Not applicable Not applicable aSamples f
42、rom finished cable. 6 Quality assurance See EN 9133. EN 3375-003:200710 7 Identification and marking (according to EN 3375-002 and TR 6058) 7.1 Designation EXAMPLE Description block ELECTRICAL CABLE Identity block EN3375-003C01 Reference of this standard Nature of braid (C: silver plated copper) Jac
43、ket marking code (see Table 3) 7.2 Short designation See Table 3. Table 3 Braid code Jacket code Short designation C None KG 24 C 01 KG R 24 C 02 KG B 24 7.3 Marking EXAMPLE EN KG R 24 FRA 05 7.4 Colour of the marking on the jacket Code “none“: Green; Code 01: Red (main line); Code 02: Blue (branch
44、line). 7.5 Colour of components Cores: 1 white + 1 light blue; Jacket: white. EN 3375-003:200711 8 Packaging See EN 3375-001. 9 Technical specification See EN 2084. See EN 2235. See EN 3375-001. EN 3375-003:2007BS EN 3375-003:2007BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards Institution
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