Bsi bs en 03155 040 2007

M \2009 03 04\~$blank pdf BRITISH STANDARD BS EN 3155 040 2007 Aerospace series — Electrical contacts used in elements of connection — Part 040 Contacts, electrical, coaxial, size 12, male, type D, so[.]

Aerospace series —

Electrical contacts used

in elements of

connection —

Part 040: Contacts, electrical, coaxial,

size 12, male, type D, solder, class R —

Product standard

The European Standard EN 3155-040:2007 has the status of a

British Standard

ICS 49.060

This British Standard was

published under the authority

of the Standards Policy and

Strategy Committee

on 30 April 2007

© BSI 2007

National foreword

This 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 technology, 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 British Standard cannot confer immunity from legal obligations

Amendments issued since publication

EUROPÄISCHE NORM April 2007

ICS 49.060

English Version Aerospace series - Electrical contacts used in elements of connection - Part 040: Contacts, electrical, coaxial, size 12,

male, type D, solder, class R - Product standard

Série aérospatiale - Contacts électriques utilisés dans les

organes de connexion - Partie 040 : Contacts, électriques,

coaxiaux, taille 12, mâles, type D, à souder, classe R

-Norme de produit

Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung

in Verbindungselementen - Teil 040: Elektrische koaxiale Stiftkontakte, Größe 12, Typ D, zum Löten, Klasse R

-Produktnorm

This 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 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 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 responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official 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, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION

C O M I T É E U R O P É E N D E N O R M A L I S A T I O N

E U R O P Ä I S C H E S K O M I T E E F Ü R N O R M U N G

Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2007 CEN All rights of exploitation in any form and by any means reserved

worldwide for CEN national Members.

Ref No EN 3155-040:2007: E

Contents Page

Foreword 3

Introduction 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 coating 6

4.4.3 Dielectric 6

4.4.4 Heat shrinkable 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 Tooling 9

4.7.1 Contact termination tooling 9

4.7.2 Insertion/extraction tooling 9

4.8 Tests 10

4.9 Gauge 13

5 Designation 14

6 Marking 14

7 Technical specification 14

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 Standard 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 latest 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 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom

Introduction

The contacts defined by this standard are derived from those of AS 39029/74 and are intermateable 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

The 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 referenced 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 contacts 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 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, 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 AECMA Prestandard at the date of publication of this standard

2) Published by: Department of Defense (DOD), The Pentagon, Washington D.C 20301, USA

AS 1241C, Fire resistant phosphate ester hydraulic fluid for aircraft 3)

AS 31971, Pin, gage, for socket contact engagement test 3)

AS 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-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 standard, the terms and definitions given in EN 3155-001 apply

4 Required characteristics

Type D contacts are contacts with screening feature, class R corresponds to an operating temperature range from – 65 °C to 150 °C

See Figure 1 for dimensions

Dimensions 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 as AECMA Technical Report at the date of publication of this standard

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

a Depth

b After termination

NOTE Mates with 0,749/0,711 male contact diameter

Figure 1 4.3 Marking by colour code

Not applicable

4.4 Material, surface treatment

4.4.1 Material

Body: Copper alloy

Gold on appropriate undercoat for copper alloy parts

Thickness not specified

4.4.3 Dielectric

ETFE Fluoropolymer or equivalent

4.4.4 Heat shrinkable tubing

Radiation crosslinked polyvinylidene fluoride

19,05 max

6,85 max

∅ 3,96 max b

15,48 ± 0,1

7,62 min a 1,22

1,12

3,2

∅ 0,89 ± 0,02

∅ 1.44 ± 0,04

1,22 1,14

R = 1,27 ± 0,13 4,01

3,94

∅

0,76 max

0,76 1,27

2 3

7 6

5

4.4.5 Solder rings

Sn63 as per J-STD-004

The cables should have dimensions within the values specified in Table 1, in millimetres

Table 1

Permissible cable code

4.6 Stripping of cables and wiring method

Dimensions are in millimetres See Figures 2, 3 and 4

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 conforms 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

∅ B ∅ C ∅ D

4,70/3,90

5,20/4,40

3,30/2,50

∅ 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

4,70/3,90

5,20/4,40

3,30/2,50

∅ A

1

Key

1 Fold shield back over cable jacket

Figure 3

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 value specified in Table 1

∅ B ∅ C ∅ D

4,70/3,90

5,20/4,40

3,30/2,50 0,4 max.

∅ A

1 Key

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 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

5 4

Key

1 Coaxial cable 4 Cable clamp

2 5 to 7,5 mm 5 Positioning device

3 Contact

Figure 5

Conform to MIL-I-81969:

 Insertion: M81969/14-04

 Extraction: M81969/14-04

4.8 Tests

See Table 2

Table 2

Applicable

dimensions and mass

X Test temperature: ambient

201 Contact resistance - low

level

Contact

Maximum contact resistance

mΩ

Initial After tests Centre 8 11 Outer Not applicable

X

202 Contact resistance at

rated current

Contact

Maximum contact resistance

mΩ

Rated current

A

(25 +03) °C (150+03) °C

Initial After

tests After tests Centre 8 11 12,8 1 Outer 2 23 3,2 7,5

204 Discontinuity of contacts

in the microsecond range X Method Duration of discontinuity: B ≤ 100 ns

Test duration: throughout the duration

of tests EN 2591-402 and EN 2591-403

At ambient > 5 GΩ

At 150 °C > 2 GΩ

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 current: 2 mA

continued

Table 2 (continued)

Applicable

from 100 MHz to 1 GHz

X

Without load

TB= (− 65 ± 2) °C

The contacts shall be connected with

a cable as per Table 1, then fitted in connectors The connectors 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 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

415 Test probe damage

417 Tensile strength (crimped

continued

Table 2 (concluded)

Applicable

X

N

Maximum Insertion force

N Initial After test Initial After test max NA NA 4,48 5,60 min 0,14 0,11 NA NA

extraction forces

(female contacts)

503 Contact deformation after

thickness of coating on

contacts

X The measured thickness shall be

recorded

509 Adhesion of coating on

514 Solderability of contacts

with self-contained solder

and flux

X

Table 3 — List of fluids

Category References Duration

min Temp °C Temp °C

Number

of cycles

Fuel JP5 NATO F-44 5+ 2

0 25 85 7

Mineral hydraulic fluid MIL-PRF-5606H NATO F-515 15+ 5

0 85 100 5

Synthetic hydraulic fluid SAE AS 1241C Skydrol 500 B4 Skydrol LD 4 15+ 5

0 85 100 5

Mineral lubricant MIL-PRF-7870C NATO O-142 15+ 5

0 120 125 5 MIL-PRF-23699F NATO O-156

Synthetic lubricant

MIL-PRF-7808L NATO O-148 15

+ 5

0 150 125 5 MIL-PRF-87937D, diluted

25 % Propanol +

75 % White spirit

– 15+ 5

Cleaning products

Azeotrope R113AzM (R113 + methanol) – 5+ 2

0

25 25

2

De-icing fluid SAE AMS 1424 NATO S-742 15+ 5

0 50 100 5

Extinguishing fluid

Chlorobromethane (less than 0,1 MPa

of overpressure) − 15+ 5

0 − 15 25 5

Cooling fluid Coolanol − 15+ 5

0 50 25 5

4.9 Gauge

The gauges used for test EN 2591-418 (inner socket contact only) shall be in accordance with AS 31971,

except the diameters shall be as specified in Table 4 Provisions for a clearance hole shall be provided

Table 4

Dimensions in millimetres

Gauge diameter

Material: tool steel or carbide steel

5 Designation

EXAMPLE

Description block CONTACT, ELECTRICAL

Identity block EN3155-040M12

Number of this standard

Type of contact: M = male

Size code

NOTE If necessary, the code I9005 shall be placed between the description block and the identity block

6 Marking

See EN 3155-001

7 Technical specification

See EN 3155-001