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1、 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4604-006 February 2009 ICS 49.060 English Version Aerospace series - Cable, electrical, for signal transmission - Part 006: Cable, coaxial, 50 ohm, 200 C, type WM - Product standard Srie arospatiale - Cbles lectriques pour transmission de signaux
2、 - Partie 006: Cble coaxial, 50 ohms, 200 C, type WM - Norme de produit Luft- und Raumfahrt - Elektrisch Leitungen fr Signalbertragungen - Teil 006: Koaxia kabel, 50 Ohm, 200 C, Typ WM - Produktnorm This European Standard was approved by CEN on 21 June 2008. CEN members are bound to comply with the
3、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 concerning such national standards may be obtained on application to the CEN Management Centre o
4、r to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the respons bility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official ve
5、rsions. 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, Portugal, Romania, Slovakia, Slovenia,
6、 Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nation
7、al Members. Ref. No. EN 4604-006:2009: E EN 4604-006:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics .4 5 Quality assurance . 10 6 Designation . 11 7 Identification and marking . 11 8 Packaging, labelling and delivery lengt
8、hs . 11 9 Technical specification 11 EN 4604-006:2009 (E) 3 Foreword This document (EN 4604-006:2009) 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,
9、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 standard, either by publication of an identical text or by endorsement, at t
10、he latest by August 2009, and conflicting national standards shall be withdrawn at the latest by August 2009. 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
11、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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, I
12、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4604-006:2009 (E) 4 1 Scope This standard specifies the required characteristics of a coaxial cable, 50 , type WM, f
13、or use in aircraft electrical systems at operating temperature between 55 C and 200 C and specially for high frequency up to 5 GHz. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies.
14、For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 4604-001, Aerospace series Cable, electrical, for signal transmission Part 001: Technical specif
15、ication EN 4604-002, Aerospace series Cable, electrical, for signal transmission Part 002: General TR 6058, Aerospace series Cable code identification list 1) ASTM B 298-99, Standard specification for silver-coated soft or annealed copper wire 2) MIL-PRF-39012, Connectors, coaxial, radio frequency,
16、general specification for 3) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3475-100:2002 and the following apply. 3.1 epsilon ( ) value of dielectric constant 4 Required characteristics 4.1 Material, construction, dimensions and mass 4.1.1 Material
17、See Table 1. * And all parts quoted in Table 4. 1) Published as ASD Technical Report at the date of publication of this standard. 2) Published by: American Society for Testing and Materials (ASTM), 1916 Race Street, Philadelphia, PA 19103, USA. 3) Published by: Department of Defense (DOD), the Penta
18、gon, Washington, D.C. 20301 USA. EN 4604-006:2009 (E) 5 Table 1 Material Material Finish Colour Conductor Single-strand copper per ASTM-B298-99 1 m silver plated Dielectric Fluorocarbon dielectric with low epsilon (PTFE) Screen (foil) Tape, silver plated copper or silver alloy Shield Braid, copper p
19、er ASTM-B298-99 1 m silver plated Jacket Extruded Fluorinated Ethylene Propylene (FEP) Violet 4.1.2 Construction, dimensions and mass See Figure 1 and Table 2. Key 1 Conductor 2 Dielectric 3 Screen 4 Shield 5 Jacket Figure 1 Construction Table 2 Dimensions and mass Diameter Mass mm g/m Conductor Die
20、lectric Shield Cable min. nom. max. min. max. min. max. min. nom. max. max. 0,99 1,02 1,05 2,74 2,94 3,30 3,70 3,70 3,85 4,00 35 In order to ensure mechanical integrity (connection strength as per MIL-PRF-39012) the minimum diameter of the shielding strands shall be 0,10 mm. The dielectric diameter
21、(min. max.) shall be maintained during connection (after unwrapping screen). EN 4604-006:2009 (E) 6 4.2 General characteristics Operating temperature: 55 C to 200 C. Minimum bend radius: in static use: 25 mm; in dynamic use: 70 mm. Performances are guaranteed up to 5 GHz. 4.3 Electrical characterist
22、ics Characteristic impedance : Zc (50 3) . Capacitance per unit length: Cp 82 pF/m max. Transfer impedance up to 400 MHz: 20 m /m max. Operating voltage: 750 V RMS max. Maximum power handling (at sea level): see Table 3 and Figure 2. Attenuation versus frequency: see Table 3 and Figure 2. Velocity o
23、f propagation: 0,81 c min. Table 1 Frequency, attenuation and power handling Frequency MHz 50 100 400 1 000 5 000 Attenuation dB/100 m 8 11,5 20,5 40 85 Power handling W 2 800 2 000 1 100 600 300 EN 4604-006:2009 (E) 7 Figure 2 Maximum attenuation curve (ascending) Power curve (descending) 4.4 Tests
24、 See Table 4. EN 4604-006:2009 (E) 8 Table 4 Tests EN 3475- Designation of the test Remarks 201 Visual examination Applicable 202 Mass Applicable 203 Dimensions Applicable See 4.1.2, Table 2. 301 Ohmic resistance per unit length Applicable 21,5 /km max. 302 Voltage proof test Applicable Dielectric:
25、Dry test: 2 500 VAC Jacket: Dry impulse: 5 000 V Dry test: 1 750 VAC 303 Insulation resistance Applicable 5 000 M .km between conductor and shield. 304 Surface resistance Not applicable 305 Overload resistance Not applicable 306 Continuity of conductors Applicable 307 Corona extinction voltage Not a
26、pplicable 401 Accelerated ageing Not applicable 402 Shrinkage and delamination Not applicable 403 Delamination and blocking Not applicable 404 Thermal shock Not applicable 405 Bending at ambient temperature Not applicable 406 Cold bend test Not applicable 407 Flammability Applicable Load 10 N 408 Fi
27、re resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance Not applicable 411 Resistance to fluids Applicable 412 Humidity resistance Not applicable 413 Wrap back test Not applicable 414 Differential scanning calorimeter (DSC test) Not applicable continued EN 4604-006:
28、2009 (E) 9 Table 4 Tests (continued) EN 3475- Designation of the test Remarks 415 Rapid change of temperature Applicable Variation of capacitance: 5 % max. Increase of attenuation: 5 % max. Shrinkage: 1,5 mm max. 1st Specimen length (C, ): 20 m 416 Thermal stability Applicable Heat exposure temperat
29、ure: 200 C Variation of capacitance: 5 % max. Increase of attenuation: 5 % max. Variation of impedance: 3 % max. Shrinkage: 1,5 mm max. 3rd Specimen length (C, ): 20 m Mandrel diameter: 50 mm. 418 Thermal endurance for conductors Not applicable 501 Dynamic cut-through Not applicable 502 Notch propag
30、ation Applicable Cut depth 0,04 mm 503 Scrape abrasion Applicable External sheath 10 000 cycles Load 6 N 504 Torsion Not applicable 505 Tensile test on conductors and strands Applicable Elongation 10 % Tensile strength 18 daN min. 506 Plating continuity Applicable 507 Adherence of plating Applicable
31、 508 Plating thickness Applicable 1m 509 Solderability Not applicable 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable 511 Cable-to-cable abrasion Not applicable 512 Flexure endurance Applicable Load 1,5 daN Mandrel diameter 50 mm 500 cycles 513 D
32、eformation resistance (Installation with plastic cable ties) Applicable 514 Porosity of copper cladding on aluminium strandsNot applicable 601 Smoke density Applicable 602 Toxicity Applicable 603 Resistance to wet arc tracking Not applicable continued EN 4604-006:2009 (E) 10 Table 4 Tests (concluded
33、) EN 3475- Designation of the test Remarks 604 Resistance to dry arc propagation Not applicable 605 Wet short circuit test Not applicable 701 Strippability and adherence of insulation to the conductor Applicable 2,5 N to 7,5 N 702 Screen pushback capability Applicable 703 Permanence of manufacturers
34、 marking Applicable Except when marking on tape between shield and jacket 704 Flexibility Applicable The force to crush the loop by 25 % shall be 5 N maximum. 705 Contrast measurement Not applicable 706 Laser markability Not applicable 801 Capacitance per unit length Cp 82 pF/m maximum 802 Capacitan
35、ce unbalance Not applicable 803 Capacitance variation Not applicable 804 Velocity of propagation Applicable v: 243 000 km/s 805 Characteristic impedance Applicable Zc (50 3) at 200 MHz. 806 Attenuation Applicable See 4.3, Table 3, Figure 2. 807 Transfer impedance Applicable Zt 20 m /m up to 400 MHz
36、808 Cross-talk Not applicable 809 Resistance unbalance Not applicable 810 Structural return loss Not applicable 5 Quality assurance See EN 4604-001. EN 4604-006:2009 (E) 11 6 Designation EXAMPLE Description block CABLE, COAXIAL Identity block EN4604-006WM Number of this standard Cable code (see TR 6
37、058) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 7 Identification and marking See EN 4604-002. 8 Packaging, labelling and delivery lengths 8.1 Packaging and labelling See EN 4604-001. 8.2 Delivery lengths Delivery on cable drum (about 175 metres) Minimum length of each piece: 50 metres. 9 Technical specification See EN 4604-001.