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1、 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4604-008 August 2009 ICS 49.060 English Version Aerospace series - Cable, electrical, for signal transmission - Part 008: Cable, coaxial, 50 ohms, 200 C., Type WD - Product standard Srie arospatiale - Cbles lectriques pour transmission de signaux
2、 - Partie 008: Cble, coaxial, 50 ohms, 200 C, type WD - Norme de produit Luft- und Raumfahrt - Elektrische Leitungen fur Signalubertragungen - Teil 008: Koaxialkabel, 50 Ohm, 200 C, Typ WD - Produktnorm This European Standard was approved by CEN on 20 June 2009. CEN members are bound to comply with
3、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 concerning such national standards may be obtained on application to the CEN Management Cent
4、re or 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 officia
5、l 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, Portugal, Romania, Slovakia, Slove
6、nia, 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 na
7、tional Members. Ref. No. EN 4604-008:2009: E EN 4604-008:2009 (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 . 10 7 Identification and marking . 11 8 Packaging, labelling and delivery l
8、engths . 11 9 Technical specification 11 EN 4604-008:2009 (E) 3 Foreword This document (EN 4604-008:2009) 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 Associati
9、on, 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,
10、at the latest by February 2010, and conflicting national standards shall be withdrawn at the latest by February 2010. 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
11、 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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hu
12、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4604-008:2009 (E) 4 1 Scope This standard specifies the required characteristics of a coaxial cable, 50 , ty
13、pe WD, for use in aircraft electrical systems at operating temperature between 55 C and 200 C and specially for high frequency up to 8 GHz. Nevertheless, if needed, 65 C is also acceptable as shown by thermal stability test. 2 Normative references The following referenced documents are indispensable
14、 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 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General. EN 46
15、04-001, Aerospace series Cable, electrical, for signal transmission Part 001: Technical specification. EN 4604-002, Aerospace series Cable, electrical, for signal transmission Part 002: General. TR 6058, Aerospace series Cable code and identification list. 1) ASTM-B298-99, Standard specification for
16、 silver-coated soft or annealed copper wire. 2) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3475-100 apply. 4 Required characteristics 4.1 Material, constructions, dimension and mass 4.1.1 Material See Table 1. Table 1 Material Material Finish Col
17、our Conductor Multi-strands copper per ASTM-B298-99 Class A silver plated Dielectric Fluorocarbon Shield 2 braids, copper per ASTM-B298-99. Class A silver plated Jacket Fluorocarbon white * And all parts quoted in this standard. 1) Published as ASD Technical Report at the date of publication of this
18、 standard. 2) Published by: American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive,. PO Box C700, West Conshohocken, PA 19428-2959 USA. EN 4604-008:2009 (E) 5 4.1.2 Construction, dimensions and mass See Figure 1 and Table 2. Key 1 Conductor 2 Dielectric 3 Shield 4 Jacket Figure 1 C
19、onstruction Table 2 Dimensions and mass Diameter (mm) Mass Conductor Dielectric Shield Cable g/m min. max. nom. max. 2,33 0,05 (37 0,34) mm 5,9 6,1 7,1 0,1 7,70 0,20 130 137 Shield strand diameter shall be 0,13 mm. 4.2 General characteristics a) Operating temperature: 55 C to 200 C b) Minimum bend r
20、adius: 1) in static use: 40 mm 2) in dynamic use: 80 mm c) Performances are guaranteed up to 8 GHz. 4.3 Electrical characteristics a) Characteristic impedance: Zc (50 2) at 200 MHz b) Capacitance per unit length: Cp 85 pF/m EN WD FR F 01 1 2 3 4 EN 4604-008:2009 (E) 6 c) Transfer impedance: see Tabl
21、e 4. d) Operating voltage: 1 000 V RMS max. e) Maximum power handling (at sea level): See Table 3. f) Attenuation versus frequency: See Table 3. g) Velocity of propagation: 240 000 km/s (Vr 80 %) min. Table 3 Frequency, attenuation, power handling and VSWR Frequency MHz 50 100 150 200 400 1 000 1 60
22、0 2 500 3 000 8 000 Attenuation max. dB/100 m 5,0 7,2 9,1 10,7 16,1 28,6 39,6 55,0 61,0 110,0 Attenuation nom. dB/100 m 4,6 6,5 8,3 9,7 14,6 26,0 36,0 50,0 55,0 105,0 Power cw nom. W 5 700 4 000 3 100 2 700 1 800 1 000 730 530 480 250 Max. return loss VSWR 1,10 1,15 1,20 1,35 Table 4 Frequency, tran
23、sfer impedance Frequency MHz 0 to 0,01 0,1 1 5 10 30 100 Transfer impedance Zt max. m /m 4,2 4 1,3 0,6 1,0 2,3 5,5 4.4 Tests See Table 5. EN 4604-008:2009 (E) 7 Table 5 EN 3475- Designation of the test Remarks 201 Visual examination 202 Mass Applicable 137 g/m max. 203 Dimensions Applicable See 4.1
24、and Table 2. 301 Ohmic resistance per unit length Applicable 5,5 /km 302 Voltage proof test Applicable Dielectric Dry test: 2 500 V AC Jacket Dry impulse: 5 000 V Dry test: 1 750 V AC 303 Insulation resistance Applicable 5 000 M .km between shield and conductor 304 Surface resistance Not applicable
25、305 Overload resistance Not applicable 306 Continuity of conductors Applicable 307 Corona extinction voltage Applicable Extinction voltage 1 500 V 401 Accelerated ageing Not applicable 402 Shrinkage and delamination Not applicable 403 Delamination and blocking Not applicable 404 Thermal shock Not ap
26、plicable 405 Bending at ambient temperature Not applicable 406 Cold bend test Not applicable 407 Flammability Applicable. Method 1. Load 20 N Extinction time 3 s 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance Not applicable continued EN 4604-008:2009
27、(E) 8 Table 5 (continued) EN 3475- Designation of the test Remarks 411 Resistance to fluids Applicable 412 Humidity resistance Not applicable 413 Wrap back test Not applicable 414 Differential scanning calorimeter (DSC Test) Not applicable 415 Rapid change of temperature Applicable Variation of capa
28、citance: 5 % max. Increase of attenuation: 5 % max. Shrinkage: 1,5 mm max. 1st specimen length (C, ): 30 m 416 Thermal stability Applicable Heat exposure temperature: 200 C. Variation of capacitance: 5 % max. Increase of attenuation: 5 % max. Variation of impedance: 3 % max. Shrinkage: 1,5 mm max. 3
29、rd specimen length (C, ): 30 m Mandrel diameter: 120 mm 417 Fire resistance of cables confined inside a harness Not applicable 418 Thermal endurance for conductors Not applicable 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable Cut depth: 0,05 mm Immersion test 1 750 VAC 503 S
30、crape abrasion Applicable Number of cycles : 10 000 Load: 9 N 504 Torsion Not applicable 505 Tensile test on conductors and strands Applicable Elongation 10 % Tensile strength: 75 daN. for whole conductor. Tensile strength: 80 daN. for the braid 506 Plating continuity Applicable continued EN 4604-00
31、8:2009 (E) 9 Table 5 (continued) EN 3475- Designation of the test Remarks 507 Adherence of plating Applicable 508 Plating thickness Applicable See 4.1.1. 509 Solderability Not applicable 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable 511 Cable-t
32、o-cable abrasion Not applicable 512 Flexure endurance Applicable Load: 1,5 daN Mandrel diameter: 100 mm 500 cycles 513 Deformation resistance (Installation with plastic cable ties) Applicable 514 Porosity of copper cladding on aluminium strands Not applicable 515 Crush resistance Applicable. Load: 1
33、00 daN Sample length: 10 m Load application time 2 minutes Attenuation: See Table 3. Impedance: See 4.3. VSWR: See Table 3. 601 Smoke density Applicable 602 Toxicity Applicable 603 Resistance to wet arc tracking Not applicable 604 Resistance to dry arc propagation Not applicable 605 Wet short circui
34、t test Not applicable 701 Strippability and adherence of insulation to conductor Applicable 15 N to 75 N 702 Screen pushback capability Applicable 703 Permanence of manufacturers marking Applicable Except when marking on tape between shield and jacket 704 Flexibility The force to crush the loop by 2
35、5 % shall be 10 N maximum. continued EN 4604-008:2009 (E) 10 Table 5 (concluded) EN 3475- Designation of the test Remarks 705 Contrast measurement Not applicable 706 Laser markability Not applicable 801 Capacitance per unit length Applicable See 4.3. 802 Capacitance unbalance Not applicable 803 Capa
36、citance variation Not applicable 804 Velocity of propagation Applicable See 4.3. 805 Characteristics impedance Applicable See 4.3. 806 Attenuation Applicable See 4.3, Table 3. 807 Transfer impedance Applicable See Table 4. 808 Cross-talk Not applicable 809 Resistance unbalance Not applicable 810 Str
37、uctural return loss Not applicable 811 Unbalance attenuation Not applicable 812 Return loss (VSWR) Applicable See 4.3 and Table 3. 5 Quality assurance See EN 4604-001. 6 Designation EXAMPLE Description block CABLE, COAXIAL Identity block EN4604-008WD Number of this standard Cable code (see TR 6058)
38、NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. EN 4604-008:2009 (E) 11 7 Identification and marking Colour of the marking shall be black or green. See EN4604-002 8 Packaging, labelling and delivery lengths 8.1 Packaging and labelling See EN 4604-001. 8.2 Delivery lengths Delivery on cable drums (about 100 metres). Minimum length of each piece: 30 metres. / 2 pieces per drum. 9 Technical specification See EN 4604-001.