1、ASD STANDARD NORME ASD ASD NORM prEN 4604-004 Edition P 3 October 2006 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: 49.060 Supersedes edition P 2 November
2、 2002 Descriptors: ENGLISH VERSION Aerospace series Cable, electrical, for signal transmission Part 004: Cable, microcoaxial, high immunity, 50 Ohms, 200 C, type WS Product standard Srie arospatiale Cbles lectriques pour transmission de signaux Partie 004 : Cble, microcoaxial, haute immunit, 50 Ohms
3、, 200 C, type WS Norme de produit Luft- und Raumfahrt Elektrisch Leitungen fr Signalbertragungen Teil 004: Microkoaxialkabel, 50 Ohm, 200 C, Typ WS Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association
4、 of Europe - Standardization). It is published for the needs of the European Aerospace Industry. 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 exte
5、nt that interchangeability is affected, physically or functionally, without re-identification 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 v
6、ote and transformation to full European Standard (EN). The CEN national members have then 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 31 October 2006 Comme
7、nts should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2006 by ASD-STAN prEN 4604-004:2006 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Terms and definitions .3 4 Required characteristics.3 5 Quality assurance9 6 Designation 9 7 I
8、dentification and marking . 10 8 Packaging, labelling and delivery lengths .10 9 Technical specification 10 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined i
9、n ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4604-004:2006 3 1 Scope This standard specifies the required characteristics, of a microcoaxial, 50 , type WS, for use in aircraft electrical systems at operating temperature between 55 C to 200 C, intended
10、 for radio-communications and especially for high frequency up to 3 GHz. 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 reference
11、d 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 specification. EN 4604-002, Aerospace series Cable, electrical,
12、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) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3475-100 a
13、pply. 4 Required characteristics 4.1 Material, construction, dimensions and mass 4.1.1 Material See Table 1. Table 1 Material Finish Colour Conductor Multi strand core copper per ASTM-B298-99 1 m silver plated Dielectric Fluorocarbone Screen (foil) High permeability tape Shield Braid, copper per AST
14、M-B298-99 1 m silver plated Jacket 2 polyimide tapes Amber * 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. prEN 4604
15、-004:20064 4.1.2 Construction, dimensions and mass See Figure 1 and Table 2. Key 1 Conductor 2 Dielectric 3 Screen 4 Jacket 5 Shield Figure 1 Table 2 Dimensions and mass Diameter Mass mm g/m Conductor Dielectric Shield Cable nom. nom. min. max. min. max. max. 0,51 (7 0,16) mm 1,50 2,06 2,36 2,24 2,5
16、6 20 Strands diameter for shield = 0,085 mm nominal. 4.2 General characteristics Operating temperature: 55 C to 200 C Minimum bend radius: in static use: 15 mm in dynamic use: 28 mm Performances are guaranteed up to 3 GHz. EN WS _ _ _ _45312prEN 4604-004:20065 4.3 Electrical characteristics Characte
17、ristic impedance: Zc = (50 5) Capacitance per unit length: (95 10) pF/m Transfer impedance up to 100 MHz: 45 m/m max. see Figure 4. Attenuation versus frequency: see Table 3 and Figure 2. Maximum power handling (at sea level): see Table 3 and Figure 3. Velocity of propagation: 0,69 c nom. Operating
18、voltage: 1,3 kV RMS. Table 3 Frequency, attenuation and power handling Frequency MHz 50 100 200 400 1 000 3 000 Attenuation dB/100 m 26 36 55 78 140 195 Power handling W 600 400 270 180 120 75 Figure 2 Attenuation curve Attenuation WS cable 11010010000,01 0,1 1 10Frequency (GHz)Att. (db/100 m)prEN 4
19、604-004:20066 Figure 3 Power curve (W) Figure 4 Transfer impedance ZT 4.4 Tests See Table 4. Transfer impedance WS cable1,00E-021,00E-011,00E+001,00E+011,00E+021,00E+031,00E-01 1,00E+00 1,00E+01 1,00E+02 1,00E+03 1,00E+04 1,00E+05Frequency (kHz)Zt (mohm/m)Power (W)1010010001,00E-02 1,00E-01 1,00E+00
20、 1,00E+01Frequency (GHz)Power (W)prEN 4604-004:20067 Table 4 Tests EN 3475- Designation of the test Remarks 201 Visual examination Applicable 202 Mass Applicable 20 g/m max. 203 Dimensions Applicable See 4.1.2 and Table 2 301 Ohmic resistance per unit length Applicable 132 /km max. 302 Voltage proof
21、 test Applicable Dielectric: Dry test: 1 500 V AC Jacket: Dry test: 1 750 V AC Dry impulse: 5 000 V 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 Co
22、rona extinction voltage Not applicable 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 Flammabilit
23、y Applicable Load = 10 N 408 Fire 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 ap
24、plicable continued prEN 4604-004:20068 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 Applic
25、able 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. 3rd Specimen length (C,): 20 m Mandrel diameter: 30 mm 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable Cut depth
26、0,04 mm 503 Scrape abrasion Applicable Load: 6 N 504 Torsion Not applicable 505 Tensile test on conductors and strands Applicable Elongation: 10 % Tensile strength: 30 N. 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness 1 m 509 Solderability Not applicable
27、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: 10 N Mandrel diameter: 30 mm/100 cycles 513 Deformation resistance (Installation with plastic cable ties) Applicable
28、 Application force = 70 N 5 % 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 circuit test Not applicable 701 Strippability and adherence of insulation to the conductor Applicabl
29、e 10 N to 50 N continued prEN 4604-004:20069 Table 4 Tests (concluded) EN 3475- Designation of the test Remarks 702 Screen pushback capability Applicable 703 Permanence of manufacturers marking Applicable Except when marking on tape between shield and jacket 704 Flexibility Applicable 705 Contrast m
30、easurement Not applicable 706 Laser markability Not applicable 801 Capacitance per unit length C = (95 10) pF/m at 1 kHz 802 Capacitance unbalance Not applicable 803 Capacitance variation Not applicable 804 Velocity of propagation Applicable v: 207 000 km/s 805 Characteristic impedance Applicable Zc
31、 = (50 5) at 200 MHz 806 Attenuation Applicable See 4.3. Table 3 and Figure 2. 807 Transfer impedance Applicable See 4.3 and Figure 4. 45 m/m up to 100 MHz 808 Cross-talk Not applicable 5 Quality assurance See EN 4601-001. 6 Designation EXAMPLE Description block CABLE, MICROCOAXIAL Identity block EN
32、4604-004WS Number of this standard Cable code (see TR 6058, Table 28) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. prEN 4604-004:200610 7 Identification and marking Colour of the marking shall be black. 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 200 metres) Minimum length of each piece: 50 metres. 9 Technical specification See EN 4604-001.
