BS EN 122120-1993 Harmonized system of quality assessment for electronic components - Sectional specification radio frequency coaxial connectors - Series BNC《电子元器件质量评定协调体系 分规范 射频同轴.pdf
《BS EN 122120-1993 Harmonized system of quality assessment for electronic components - Sectional specification radio frequency coaxial connectors - Series BNC《电子元器件质量评定协调体系 分规范 射频同轴.pdf》由会员分享,可在线阅读,更多相关《BS EN 122120-1993 Harmonized system of quality assessment for electronic components - Sectional specification radio frequency coaxial connectors - Series BNC《电子元器件质量评定协调体系 分规范 射频同轴.pdf(38页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS EN 122120:1996 Incorporating Amendment No. 1 BSCECC 22120:1993 renumbered Harmonized system of quality assessment for electronic components Sectional specification: Radiofrequency coaxial connectors SeriesBNC The European Standard EN 122120:1993 has the status of a British Standa
2、rdBSEN122120:1996 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board, was published underthe authority of the Standards Board and comes intoeffect on 15December1996 BSI 10-1999 The following BSI references relate to the work on this standard: Committe
3、e reference EPL/46/4 Draft announced in BSI Update, April 1996 ISBN 0 580 22519 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee EPL/46, Cables, wires and waveguides, RF connectors and accessories for communication and s
4、ignalling, to subcommittee EPL/46/4, RFconnectors, upon which the following bodies were represented: AEA Technology BEAMA Electrical Cable together with the voting report, circulated as document CECC (Secretariat)3368 it was approved by CECC as EN122120 on28June1993. The following dates were fixed:
5、Contents Page Foreword 2 Section 1. Scope Section 2. Mating face and gauge information 2.1 Dimensions General purpose connectors 8 2.1.1 Plug 8 2.1.2 Socket 9 2.2 Gauges for general purpose connectors 10 2.2.1 Gauge for outer contact of plug 10 2.2.2 Gauge for female centre contact 11 2.2.3 Engageme
6、nt and separation gauge formaleconnector 12 2.3 Dimensions standard test connectors (Grade 0) 13 2.3.1 Test plug 13 2.3.2 Test socket 15 Section 3. Properties 3.1 Ratings and characteristics 17 Section 4. Test conditions and severities 4.1 Measurement and recovery conditions 19 4.2 Visual examinatio
7、n 19 4.3 Dimensions 19 4.3.1 Outline dimensions and mass 19 4.3.2 Dimensions and materials (piece-parts) 19 4.3.3 Gauging procedures 19 4.4 Electrical tests and measurements 19 4.4.1 Reflection factor (r) 19 4.4.2 Contact resistance 19 4.4.3 Outer conductor continuity 19 4.4.4 Insulation resistance
8、20 4.4.5 Voltage proof 20 4.4.6 Voltage proof combined with water immersion 20 4.4.7 RF high potential withstanding voltage 20 4.4.8 Screening effectiveness 20 4.4.9 Discharge test (corona) 20 4.5 Mechanical tests and measurements 21 4.5.1 Gauge retention force (male and female resilient contacts) 2
9、1 4.5.2 Contact captivation (without cable attached) 21 4.5.3 Static load 21 latest date of announcement of the EN at national level (doa) 1993-11-08 latest date of publication of an identical national standard a (dop) 1994-05-08 latest date of withdrawal of conflicting national standards a (dow) 19
10、95-05-08 a National standard (excluding national implementation of IECQ specifications)EN122120:1993 BSI 10-1999 3 Page 4.5.4 Engagement and separation 21 4.5.5 Mechanical tests on cable clamping device 22 4.5.6 Tensile strength of coupling mechanism 22 4.5.7 Compatibility, mechanical 22 4.5.9 Bendi
11、ng moment 22 4.6 Environmental tests and measurements 23 4.6.1 Soldering 23 4.6.2 Bump 23 4.6.3 Vibration 24 4.6.4 Shock 24 4.6.5 Climatic tests 24 4.6.6 Damp heat, steady state 26 4.6.7 Rapid change of temperature 26 4.6.8 Sealing (panel and barrier sealed connectors) 27 4.6.9 Sealing (hermetically
12、 sealed connectors) 27 4.6.10 Salt mist 27 4.6.11 Dust 27 4.6.12 Industrial atmosphere test 27 4.7 Endurance tests 27 4.7.1 Mechanical endurance 27 4.7.2 High temperature endurance 28 4.8 Resistance to solvents and contaminating fluids 28 Section 5. Quality assessment procedures 5.1 Test schedules a
13、nd inspection requirements Series BNC 30 Figure 1 Plug 8 Figure 2 Details of bayonet lock 8 Figure 3 8 Figure 4 8 Figure 5 Details of male centre contact 8 Figure 6 Socket 9 Figure 7 Details of female centre contact 9 Figure 8 Gauge for outer contact of plug 10 Figure 9 Gauge pin for female centre c
14、ontact 11 Figure 10 Dimensions of gauge for engagement and separation test 12 Figure 11 Test plug 13 Figure 12 Dimensions of centre contact 13 Figure 13 Dimensions of connector 15 Figure 14 Dimensions of centre contact 15 Page Table 1 9 Table 2 10 Table 3 11 Table 4 11 Table 5 12 Table 6 14 Table 7
15、16EN122120:1993 4 BSI 10-1999 Foreword The CENELEC Electronic Components Committee (CECC) is composed of those member countries of the European Committee for Electrotechnical Standardization (CENELEC) who wish to take part in a harmonized System for electronic components of assessed quality. The obj
16、ect of the System is to facilitate international trade by the harmonization of the specifications and quality assessment procedures for electronic components, and by the grant of an internationally recognized Mark, or Certificate, of Conformity. The components produced under the System are thereby a
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