1、ASD STANDARD NORME ASD ASD NORM prEN 3375-007 Edition P1 November 2005 PUBLISHED BY THE AEROSPACE AND DEFENSE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Aerospace
2、 series Cable, electrical, for digital data transmission Part 007: Double braid 77 Ohms Type WW Product standard Srie arospatiale Cbles lectriques pour transmission de donnes numriques Partie 007 : Double tresse 77 Ohms Type WW Norme de produit Luft- und Raumfahrt Elektrische Leitungen fr Digitaldat
3、enbertragungen Teil 007: Doppelt geschirmt 77 Ohms Type WW Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The Aerospace and Defense Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace In
4、dustry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identifica
5、tion of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then
6、 to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 30 November 2005 Comments should be sent within six months after the date of publication to ASD-STAN Electrica
7、l Domain Copyright 2005 by ASD-STAN Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:2005 2 Foreword This standard was reviewed by the Dom
8、ain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. Contents Page 1 Scope 3 2 Normative references 3 3 Terms and defi
9、nitions .3 4 Required characteristics.4 4.1 Dimensions and mass.4 4.2 General characteristics (according to EN 2235 and EN 3475-100).5 4.3 Electrical characteristics 5 5 Tests5 6 Quality assurance8 7 Identification and marking (according to EN 3375-002 and TR 6058) 8 7.1 Designation 8 7.2 Short desi
10、gnation 9 7.3 Marking .9 7.4 Colour of the marking on the jacket 9 7.5 Colour of components 9 8 Packaging.9 9 Technical specification .9 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permi
11、tted without license from IHS-,-,-prEN 3375-007:2005 3 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
12、 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 undated references, the latest edition of the referenced document (including any amendments) applies.
13、 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 or copper alloy Technical specification. EN 2235, Aerospace series Single and multicore electrical
14、cables, screened and jacketed Technical specification. 1)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-*, Aerospace series Cables, electrical,
15、 aircraft use Test methods. EN 3475-100, Aerospace series Cables, electrical, 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 and identification list. 2)3 Term
16、s and definitions For the purposes of this document, the terms and definitions given in EN 3475-100 apply. * All its parts quoted in Table 2. 1) Published as AECMA Prestandard at the date of publication of this standard.2) Published as AECMA Technical Report at the date of publication of this standa
17、rd. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:20054 4 Required characteristics 4.1 Dimensions and mass See Figure 1 and Table 1. 63
18、541ENWW2Key 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 mm) g Braid screen, silver plated copper (strand = 0,08 mm) h Outer sheath fluorocarbon (colour: see 7.5) Fig
19、ure 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/m 19 0,10 0,45 0,53 0,85 2,00 2,40 2,80 3,00 21 26 Copyright Association Europeene des Constructeurs de Materiel Aero
20、spatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:2005 5 4.2 General characteristics (according to EN 2235 and EN 3475-100) Operating temperature . : 65 C to 200 C Bend radius recommended minimum bend radi
21、us . : R = 20 mm Twisting pitch ranging between 8 and 16 times the ex ternal 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
22、 Transfer 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
23、 applicable 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 resist
24、ance Not applicable Applicable 1 500 M km at 20 C continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:2005 6 Table 2 (continued) Ca
25、rried out on EN 3475- Designation of the test Component aCable 304 Surface resistance Applicable Applicable 1 250 M.mm 305 Overload resistance Not applicable Not applicable 306 Continuity of conductors Applicable Applicable 307 Corona extinction voltage Not applicable Not applicable 401 Accelerated
26、ageing Not applicable Applicable T = operating Temperature 230 C 168 h Mandrel 50 mm Load = 0,25 daN 402 Shrinkage 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 shoc
27、k Applicable T C = 200 C 0,8 mm max. Applicable T C = 200 C 2 mm max. 405 Bending at ambient temperature Not applicable 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 resis
28、tance 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
29、Differential 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
30、 Not applicable continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:2005 7 Table 2 (continued) Carried out on EN 3475- Designation
31、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 Not applicable Applicable F = 1 daN 504 Torsion Not applicable Not applic
32、able 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 Solderability Applicable Maximum wetting time: 5 s Applicable Maximum wetting time: 5
33、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 applicable 513 Deformation resistance (Installation with plastic cable ties) Not a
34、pplicable 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 applicable Not applicable 604 Resistance to dry arc propagation Not applicable Not
35、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 Permanence of manufacturers marking Not applicable Applicable 704 Flexibility
36、 Not applicable Not applicable 705 Contrast measurement Not applicable Not applicable 706 Laser markability Not applicable Not applicable continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or netwo
37、rking permitted without license from IHS-,-,-prEN 3375-007:2005 8 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 v
38、ariation 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 Applicable See 4.3. 807 Transfer impedance Not applicable Applicable See 4.3. 808 Cro
39、ss-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 from finished cable. 6 Quality assurance See EN 9133. 7 Identification and marki
40、ng (according to EN 3375-002 and TR 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) Copyright Association Europeene des Constructeurs de Materiel Aeros
41、patial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3375-007:2005 9 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
42、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 Colour 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. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
