1、BRITISH STANDARDBS EN 3155-040:2007Aerospace series Electrical contacts used in elements of connection Part 040: Contacts, electrical, coaxial, size 12, male, type D, solder, class R Product standardThe European Standard EN 3155-040:2007 has the status of a British StandardICS 49.060g49g50g3g38g50g5
2、1g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3155-040:2007This British Standard was published under the authority of the Standards Policy and Strategy Comm
3、ittee on 30 April 2007 BSI 2007ISBN 978 0 580 50623 9National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3155-040:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technolog
4、y, to Panel ACE/6/-/3, Aerospace Connectors.A list of organizations 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 B
5、ritish Standard cannot confer immunity from legal obligations. Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-040April 2007ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 040: Contac
6、ts, electrical, coaxial, size 12,male, type D, solder, class R - Product standardSrie arospatiale - Contacts lectriques utiliss dans lesorganes de connexion - Partie 040 : Contacts, lectriques,coaxiaux, taille 12, mles, type D, souder, classe R -Norme de produitLuft- und Raumfahrt - Elektrische Kont
7、akte zur Verwendungin Verbindungselementen - Teil 040: Elektrische koaxialeStiftkontakte, Gre 12, Typ D, zum Lten, Klasse R -ProduktnormThis European Standard was approved by CEN on 6 January 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condition
8、s 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 on application to the CEN Management Centre or to any CEN member.This European Standard exists in three offic
9、ial 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 Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Be
10、lgium, 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, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR
11、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 means reservedworldwide for CEN national Members.Ref. No. EN 3155-040:2007: E2 Contents Page Foreword3 Introduc
12、tion .4 1 Scope 4 2 Normative references 4 3 Terms and definitions .5 4 Required characteristics.5 4.1 Specific characteristics.5 4.2 Dimensions and mass.5 4.3 Marking by colour code 6 4.4 Material, surface treatment.6 4.4.1 Material .6 4.4.2 Protective coating6 4.4.3 Dielectric.6 4.4.4 Heat shrinka
13、ble tubing 6 4.4.5 Solder rings 7 4.5 Permissible cables.7 4.6 Stripping of cables and wiring method .7 4.6.1 Assembly instructions 7 4.6.2 Preparation of coaxial cable.7 4.7 Tooling9 4.7.1 Contact termination tooling9 4.7.2 Insertion/extraction tooling 9 4.8 Tests10 4.9 Gauge13 5 Designation 14 6 M
14、arking .14 7 Technical specification .14 EN 3155-040:20073 Foreword This document (EN 3155-040:2007) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this S
15、tandard has received the approval of the National Associations and the Official Services of the member countries of AECMA, 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 l
16、atest by October 2007, and conflicting national standards shall be withdrawn at the latest by October 2007. 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 al
17、l 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, Ice
18、land, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3155-040:20074 Introduction The contacts defined by this standard are derived from those of AS 39029/74 and are interm
19、ateable with those of AS 39029/73. 1 Scope This standard specifies the required characteristics, tests and tooling applicable to size 12, male coaxial, electrical contacts, type D, solder, class R, used in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. T
20、he associated female contacts are defined in EN 3155-031 and EN 3155-041. 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 referenc
21、ed document (including any amendments) applies. EN 2591*, Aerospace series Elements of electrical and optical connection Test methods. EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification. 1)EN 3155-002, Aerospace series Electrical contac
22、ts used in elements of connection Part 002: List and utilization of contacts. EN 3155-031, Aerospace series Electrical contacts used in elements of connection Part 031: Contacts, electrical, coaxial, size 12, female, type D, crimp, class R Product standard. 1)EN 3155-041, Aerospace series Electrical
23、 contacts used in elements of connection Part 041: Contacts, electrical, coaxial, size 12, female, type D, solder, class R Product standard. MIL-I-81969, Installing and removal tools, connector electrical contact, general specification for. 2)MIL-PRF-7808L, Lubricating oil, aircraft turbine engine,
24、synthetic base. 2)MIL-PRF-7870C, Lubricating oil, general purpose, low temperature. 2)MIL-PRF-23699F, Lubricating oil, aircraft turbine engine, synthetic base, NATO code number O-156. 2)MIL-PRF-87937D, Cleaning compound, aerospace equipment. 2)*All parts quoted in this standard. 1) Published as AECM
25、A Prestandard at the date of publication of this standard. 2) Published by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, USA. EN 3155-040:20075 AS 1241C, Fire resistant phosphate ester hydraulic fluid for aircraft. 3)AS 31971, Pin, gage, for socket contact engagement test. 3)AS
26、39029/73, Contact, electrical connectors, socket, solder, removable shielded, size 12 (For MIL-C-83723 Series III, MIL-C-26482 Series 2, MIL-C-83733 and DOD-C-83527 connectors). 3)AS 39029/74, Contact, electrical connectors, pin, solder, removable shielded, size 12 (For MIL-C-83723 Series III, MIL-C
27、-26482 Series 2, MIL-C-83733 and DOD-C-83527 connectors). 3)AMS 1424, Deicing/Anti-icing fluid, aircraft - SAE type 1. 3)J-STD-004, Requirements for soldering fluxes replaces QQ-S-571. 4)TR 6058, Aerospace series Cable code identification list. 5)3 Terms and definitions For the purposes of this stan
28、dard, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Specific characteristics Type D contacts are contacts with screening feature, class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dimensions and mass See Figure 1 for dimensions. Dime
29、nsions and tolerances are given in millimetres. Contact mass: 2,50 g max. 3) Published by: Society of Automotive Engineering (SAE), 400 Commonwealth Drive, Warrendale, PA 15096, USA. 4) Published by: Electronic Industries Alliance (EIA), 2500 Wilson Boulevard, Arlington, Virginia 22201. 5) Published
30、 as AECMA Technical Report at the date of publication of this standard. EN 3155-040:20076 Key 1 Male external contact body 2 Female central contact body 3 Dielectric 4 Heat shrinkable tubing 5 Solder rings 6 Inspection windows 7 See Note. aDepth bAfter termination NOTE Mates with 0,749/0,711 male co
31、ntact diameter Figure 1 4.3 Marking by colour code Not applicable 4.4 Material, surface treatment 4.4.1 Material Body: Copper alloy 4.4.2 Protective coating Gold on appropriate undercoat for copper alloy parts Thickness not specified 4.4.3 Dielectric ETFE Fluoropolymer or equivalent 4.4.4 Heat shrin
32、kable tubing Radiation crosslinked polyvinylidene fluoride 19,05 max. 6,85 max. 3,96 max. b15,48 0,1 7,62 min. a1,221,123,2 0,89 0,02 1.44 0,04 4 11,221,14R = 1,27 0,134,013,94 0,76 max. 0,76 1,27 2,412,364,654,633,843,762376 5 EN 3155-040:20077 4.4.5 Solder rings Sn63 as per J-STD-004 4.5 Permissib
33、le cables The cables should have dimensions within the values specified in Table 1, in millimetres. Table 1 Cable diameter min. max. Jacket A 3,60 Shield B 2,00 2,50 Dielectric C 0,76 2,10 Conductor D 0,28 0,66 Permissible cable code according to TR 6058 XE, XY, WL 4.6 Stripping of cables and wiring
34、 method Dimensions are in millimetres. See Figures 2, 3 and 4. 4.6.1 Assembly instructions Strip cable as shown on Figures 2 or 3 or 4. Insert cable into contact until it is fully seated. Heat contact with appropriate tools as shown on Figure 5 until solder melts and flows and strain relief tubing c
35、onforms to cable. 4.6.2 Preparation of coaxial cable Depending upon dielectric diameter value there are three possibilities. The central conductor should always be pretinned after stripping. 4.6.2.1 Cable preparation for straight shield When all diameters conform to Table 1. EN 3155-040:20078 B C D
36、4,70/3,905,20/4,403,30/2,50 A Figure 2 4.6.2.2 Cable preparation for fold back shield When shield diameter is smaller than B diameter minimum of Table 1. Restriction: if diameter of shield becomes = diameter B maximum (2,60 mm). B C D 4,70/3,905,20/4,403,30/2,50 A 1 Key 1 Fold shield back over cable
37、 jacket Figure 3 4.6.2.3 Preparation for coaxial cable with small dielectric diameter When dielectric diameter is = diameter C minimum Table 1 (1,60 mm): strip the cable as shown on Figure 4; slip a dielectric barrier between the shield braid and the cable dielectric to bring the diameter within the
38、 value specified in Table 1. EN 3155-040:20079 B C D 4,70/3,905,20/4,403,30/2,50 0,4 max. A 1Key 1 Dielectric barrier Figure 4 4.7 Tooling 4.7.1 Contact termination tooling The hot air generator is of a minimum usable capacity of 800 W and the temperature in the heating zone shall be (420 20) C. The
39、 drawing of the tool is given for information purposes: the positioner has an interface for the male contact on side P and the female contact on side S (see Figure 5); the function of the cable clamp is to hold the parts in place during the heating and cooling phases. S P 1235 4Key 1 Coaxial cable 4
40、 Cable clamp 2 5 to 7,5 mm 5 Positioning device 3 Contact Figure 5 4.7.2 Insertion/extraction tooling Conform to MIL-I-81969: Insertion: M81969/14-04 Extraction: M81969/14-04 EN 3155-040:200710 4.8 Tests See Table 2. Table 2 Applicable EN 2591- Test Not applicableAccording toEN 3155-001Remarks 101 V
41、isual examination X 102 Examination of dimensions and mass X See 4.2. X Test temperature: ambient 201 Contact resistance - low level Contact Maximum contact resistance m Initial After tests Centre 8 11 Outer Not applicable X 202 Contact resistance at rated current Contact Maximum contact resistance
42、m Rated current A (25 03+) C (15003+) C Initial After testsAfter tests Centre 8 11 12,8 1 Outer 2 23 3,2 7,5 204 Discontinuity of contacts in the microsecond range X Method B Duration of discontinuity: 100 ns. Test duration: throughout the duration of tests EN 2591-402 and EN 2591-403 206 Measuremen
43、t of insulation resistance X Method C Mated contacts At ambient 5 G At 150 C 2 G 207 Voltage proof test X Method C Proof test voltage at sea level: 500 Va.c. r.m.s. between centre contact and outer contact Proof test voltage at altitude: 125 Va.c. r.m.s. at 1,1 kPa pressure (33 000 m) Leakage curren
44、t: 2 mA continued EN 3155-040:200711 Table 2 (continued) Applicable EN 2591- Test Not applicableAccording toEN 3155-001Remarks 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 213 Shielding effectiveness from 100 MHz to 1 GHz X 301 Endurance at temperature X Method B: 150
45、 C Duration: 1 000 h Without load 305 Rapid change of temperature X TA= (150 2) C TB= ( 65 2) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X See Table 3. 402 Shock X Method A, severity 300. The contacts shall be connected with a cable as per Table 1, then fitted in connectors. The conne
46、ctors fitted with appropriate cable clamps shall be mated and mounted on the shock apparatus using appropriate mounting systems. Discontinuity: 100 ns 403 Sinusoidal and random vibration X The contacts shall be connected to a cable as per Table 1 then fitted in the connectors. The connectors fitted
47、with appropriate cable clamps shall be mated and mounted on the vibration apparatus using appropriate mounting systems. The cables are clamped a minimum of 200 mm from the rear of the contacts at a fixed point of the assembly. Discontinuity: 100 ns Test at (23 5) C 406 Mechanical endurance X 415 Tes
48、t probe damage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X continued EN 3155-040:200712 Table 2 (concluded) Applicable EN 2591- Test Not applicableAccording toEN 3155-001Remarks X Gauge Minimum Extraction force N Maximum Insertion force N Initial Aft
49、er test Initial After test max. NA NA 4,48 5,60 min. 0,14 0,11 NA NA 418 Gauge insertion/ extraction forces (female contacts) 501 Soft solderability X 502 Restricted entry X 503 Contact deformation after crimping X 508 Measurement of thickness of coating on contacts X The measured thickness shall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 514 Solderability of contacts with self-contained solder and flux X EN 3155-040:2
