1、3404583 0123147 T24 BRITISH STANDARD Harmonized system of quality assessment for electronic components Sectional specification: Radio frequency coaxial connectors Series SMA The European Standard EN 122110 : 1993 has the status of a British Standard BS EN 122110 : 1994 3404583 0123148 960 D Amd. No.
2、 Date BS EN 122110 : 19% Rxt affected Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the national committees of the following countries: Austria Belgium Denmark Finland France Ger
3、many Greece Iceland Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland United Kingdom This British Standard, having been prepared under the direction of the Electronic Components Standards Poiicy Committee, was published under the authority of the Standards Board and comes
4、 into effect on 16 September 1994 0 BSI 1994 The following BSI references relate to the work on this standard: Committee reference ECU6 Special announcement in BSl News January 1994 ISBN O 680 23422 3 I = 3404583 0123349 8T7 BS EN 122110 : 1994 Contents Cooperating organizations National foreword Pa
5、ge Inside front cover i Foreword lkxt of EN 122110 2 3 National annex NA (informative) Committees responsible National annex NB (informative) Cross-references Inside back cover Inside back cover National foreword This British Standard has been prepared under the direction of the Electronic Component
6、s Standards Policy Committee. It is identical with EN 122110 : 1993 Sectional spe together with the voting report, circulated as document CECC(Secretariat)3338 it was approved by CECC as EN 122110 on 7 May 1993. The following dates were fixed: - latest date of announcement of the EN at national leve
7、l (doa) 1993-09-03 - latest date of publication of an identical national standard* (dop) 1994-03-03 - latest date of withdrawal of conflicting national standards * (dow) 1995-03-03 Contents Section 1 - Scope Section 2 - Mating face and gauge information 2.1 Dimensions - General purpose 2.2 Gauges 2.
8、3 Dimensions - standard test connectors (Grade O) Section 3 - Properties 3.1 Ratings and characteristics Section 4 - Test conditions and severities connectors 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Measurement and recovery conditions Visual examination Dimensions Electrical tests and measurements Mechanica
9、l tests and measurements Environmental tests and measurements Endurance tests Resistance to solvents and contaminating fluids Section 5 - Quality assessment procedures 5.1 Rst schedules and inspection requirements - Series SMA p%e 4 5 5 7 8 10 10 14 14 14 14 14 16 18 24 25 26 27 * National standard
10、(excluding national implementation of IECQ specifications) 3404583 OL23L52 391 Page 3 EN 122110 : 1993 CECC SPECIFICATION SYSTEM for R. F. Connectors CECC 22 O00 GENERIC SPECIFICATION * Scope * General * Quality assessment procedures * Test and measurement procedures i CECC 22 120 SEC TIONAL SPECIFI
11、CATION (SEMES BNC) I I I I I I I I I I I I I CECC 22 121 BLANK DETAIL SPECIFICATION I I I I I l l CECC 22 121-001 DETAIL SPECIFICATION CECC 2s 110 SECTIONAL SPECIFICATION (Connector SERIES SMA) * Drawings - mating face drawings for standard test connectors, general-purpose connectors and applicable
12、gauges. * Standard conditions for testing * Qualification approval tests * Lot-by-lot tests * Periodic tests I I j / / / 0 0 0 0 0 / CECC 22 111-001 . DETAIL SPECIFICATION CECC 22 ill BLANK DETAIL SPECIFICATION * Pro-forma for preparation of detail I specifications II CECC 22 111-002 II DETAIL SPECI
13、FICATION (Connector STYLE . . . .) * Description of style * Details of any variants, appropriate cables, etc. * Outline drawing(s) * Assessment level * Ratings (including limiting conditions * Test requirements of use) and characteristics I l l l 8 8 8 8 CECC 22 130 SECTIONAL SPECIFICATION (SERIES S
14、MB) I I I I I l I I I I I I I I l l I I .;I CECC 22 131 BLANK DETAIL SPECIFICATION I I I l l l l + CECC 22 131-001 DETAIL SPECIFICATION 8 8 h CECC 22 111-003 DETAIL 1 SPECIFICATION NOTE: A detail specification is a completed blank detail specification CECC 22 110 Issue 1 3404583 0323353 228 Page 4 E
15、N 122110 : 1993 SECTION 1 - SCOPE This sectional specification applies to miniature screw-coupled coaxial connectors, Series SMA. It prescribes mating-face dimensions for general purpose connectors and standard test connectors, Grade O, together with gauging information. It also indicates recommende
16、d performance characteristics to tie considered when writing detail specifications, and covers the test schedules and inspection requirements for Assessment Level M, H and U. CECC 22 110 Issue 1 Amendment 2 (1991) 3404583 0123154 164 Page 5 EN 122110 : 1993 SECTION 2 - MATING FACE AND GAUGE INFORMAT
17、ION 2.1. Dimensions - General purpose connectors Inch dimensions are original dimensions. All undimensioned pictorial configurations are for reference purposes only. 2.1.1. 114“ -36 Plug - Mechanical E Electrical Reference Plane Detail A Reference s UNS-287 Hex. 7,85/8,00 mm (0,30910,315 in) across
18、flats Note 6 Flat length 3,18 mm (0,125 in) min. FIG. 1. - Plug (for dimensions, see table). 1. When centre conductor of semi-rigid cable is used to form centre contact, the conductor shall be trimmed to simulate the details shown in Fig 1, Detail A. Choose diameter to meet electrical requirements.
19、Dimension p refers to diameter of the dielectric in the vicinity of the reference plane and may deviate from the value given. When the centre conductor of the cable is used as the contact pin, the inner diameter of the outer conductor becomes dimension p. Coupling nut in forward position. Diameters
20、d and e and screw thread when at MMC shall be on . When the dielectric is PTFE the maximum projection of the dielectric beyond the reference plane shall be 0,05mm (0,002 in). 0.08mm (0,003 in) max. radius optional. Dimension q shall be such that the reference planes coincide and the connectors meet
21、the required environmental performance. 2. 3. 4. 5. 6. 7. a common axis. I plane CECC 22 110 Issue 1 M 3404583 0123155 OTO M Page 6 EN 122110 : 1993 21.2 Socket - Detail B No fillet permitted Undercut acceptable Detail A Dimension to meet reflection factor requirement, mating characteristics and con
22、nector durability when mated with a 0.902/0.939 mm (0.0355/0.0370 in) diameter pin (Note 4) Mechanical the value of the applied test voltage should then be stated. - requirements: there shall be no breakdown or flashover. RF high potential withstanding voltage Not normally applicable. When required
23、this test shall be carried out in accordance with 4.4.7 and Annex L of CECC 22 000. Screening effectiveness - conditions: see 4.4.8. - requirements: the measured screening effectiveness, expressed in terms of surface transfer impedance, Zt, shall not exceed the maximum value specified in the detail
24、specification. The test shall be carried out at a frequency of 1 GHz unless otherwise, specified in the detail specification. Discharge test (corona test) Not applicable. CECC 22 110 Issue 1 Amendment 2 (1991) 3404583 0123165 T4T Page 16 EN 122110 : 1993 4.5 Mechanical tests and measurements 4.5.1 C
25、auae retention force (female resilient contactsl - conditions: see 2.2.1 Gauges for the centre contact of the Bocket are specified in 2.2.1 - requirernente: as 2.2.1 4.5.2 Contact captivation (without cable attechsd) see 4.5.2 kxial force - conditions: Applicable to all styles with captive contacts.
26、 An axial force of 22 N shall be applied to the centre contact and maintained for 60 s minimum. Unless otherwise specified in the detail specification, the direction of the axial force shall then be reversed and maintained for a further period of 60 s minimum. axial movement of the centre contact re
27、lative to the body shell shall be 0,25 mm max. - requirements: Tarsue - conditions: when 8peCified in the detail specifi- cation, a torque of 0,028 Nm shall be applied to the centre contact. the contact shall not rotate. c requirements: 4.5.3 Static Load Not applicable. 4.5.4 naaeiement b Seoaration
28、 (to overcome friction) - conditions: see 4.5.4 - requirements: shall be achieveable by hand in the normal manner. 0,25 Nm max. unless otherwise specified. Proof couplino toraua - conditions: mated connectors shall be subjected to - requirements: as 4.5.4 (applicable to plugs only) the Proof Couplin
29、g Torque of 1,7 Nm. 4.5.5 Mechanical tests on cable clamoina device When prescribed these tests shall be preceded by conditioning in accordance with 4.6.7: Rapid change of temperature, but omitting the concluding tests. CECC 22 110 Issue 1 Page 17 EN 122110 : 1993 (1) Effectiveness of clampina devic
30、e aqainst cqble pullinq - conditions: see 4.5.5 (1 ) Unless otherwise specified in the de- tail specification the cable length shall be 100 to 150 mm. connector only is attached to the cable, the force shall be applied et least 50 mm from the cable outlet. The force shall be applied for a period of
31、60 s minimum. If a single The detail specification shall prescribe the necessary characterisdics of the appropriate cable, and thg value of the tensile force applicable to the cable specified. - requirements: as 4.5.5 (1) Effectiveness of clampinq device aqainat cable torsion - conditions: see 4.5.5
32、 (2) Unless otherwise specified in the de- tail specification the cabde length shall be 100 to 150 mm, and the force applied at a distance of ak least 50 mm from the cable outlet of the connector, for a period of 60 s min. The detail specification shall prescribe the necessary characteristics of the
33、 appropriate cable, and theivalue of the torsional force applicable to the cable specified. Note: It is likely that single-braid cables will rEcture with the following applied torsional forces. Dielectric Diameter Torsion 1,s rnm 3,O mm 0,39 Nm 0,53 Nm - requirements: as 4.5.5 (2) 4.5.6 Tensile strs
34、nqth of couplinq mechanism = conditions: see 4.5.6 An axial tensile force of 180 N shall be applied between the body stjells of a mated set of connectors and maintained for a period of 60 s min. i engagement end separation as in 4.5.4. - requirements: CECC 22 110 Issue i 3404583 0123367 812 Page 18
35、EN 122110 : 1993 4.5.7 4.5.8 4.5.9 4.6 4.6.1 Compatibility, mechacical - conditions: see 4.5.7. All dimensions shall be verified by direct measurement or, if available, by the use of special-purpose compatibility gauges. - requirements: as 2.1.1 and 2.1.2. Resilient hermaphroditic contacts Not appli
36、cable Bending moment - conditions: see 4.5.9. A bending moment of 0,45 Nin relative to the reference plane shall be applied to the bodies of a pair of mated connectors. - requirements: as 4.5.9. Environmental tests and Measurements Soldering i) Solderability - conditions: see 4.6.1(1) of CECC 22 000
37、. i) Centre contact Using Method 2, soldering iron, size A bit. The bit shall be applied to the solder bucket or tag. Method 2, soldering iron shall be used. The size of bit may differ from size A; it must then be prescribed in the DS. Tinning of the termination shall occur within the first 3 s, at
38、the bit shall be applied for 5 s. After soldering the connector shall be visually examined. There shall be no damage, displacement or loosening of parts. For soldering bodies the tinning requirements may differ from those for the centre contact but shall be prescribed in the DS. After soldering, the
39、 connector shall be visually examined. There shall be no damage, displacement or loosening of parts. 2) Outer conductor requirements: 1) Centre contact 2) Outer conductor ii) Resistance to soldering heat - conditions: see 4.6.1(ii) of CECC 22 000. 1) Centre contact Using Method 2, soldering iron, si
40、ze A bit, the bit shall be applied to the solder bucket or tag for a period of 10 s with no thermal screen or heat sink unless prescribed in the DS. CECC 22 110 IsSue 1 Amendment 2 (1991) 3404583 0323368 759 H Page 19 EN 122110 : 1993 4.6.2 4.6.3 - requirements: 1) 2) Bump - conditions : - requireme
41、nts: Vibration - conditions: Outer conductor For soldering conductor bodies the requirements may differ from those for the centre contact. . Appropriate details shall be given in the DS including any thermal screen-or heat sink which ,shall be used. Centre contact Outer conductor The connector shall
42、 be visually examined. There shall be no damage, displacement or loosening of parts. see 4.6.2. The mating torque shall be, 1,l Nm. Mounting shall be in accordance with 4.1.1, in such a manner that the specimens can be bumped in two mutually perpendicular directions, one of which shall be the lorigi
43、tudinal axis of the connectors. Cables shall be clamped to1 the test table in axial alignment at a distance of 90 - + 10 mm from each cable outlet. The free end of the cable shall be restrained from motion by clamping to a rigid support. Unless otherwise prescribed the following conditions shall app
44、ly: - Test Eb of IEC 68-3-29. - Severity: 390 m/s - Total number of bumps: 4000 + 10. during the test, using measuring equipment with a resolution better than 1 us, there shall be no indicated intermittency. see 4.6.3 The mating torque shall be 1,l Nm. Mounting shall be in accordance with 4.1.1, in
45、such a manner that the specimens can be vibrated in two mutually perpendicular directions, one of which shall be the longitudinal axis of the connectors. Cables shall be clamped to: the test table in axial alignment at a distance of 90 - + 10 mm from each cable outlet. The free end of the cable shal
46、l be restrained from motion qy clamping to a rigid support. Unless otherwise prescribed the following conditions shall apply: - Test procedure: endurance by sweeping in accordance with sub-clause 8.2.1 of IEC 68-2-6. - Frequency range: 10-2000 Hz. CECC 22 110 Issue 1 Amendment 2 (1991) = 3404583 OL2
47、3Lb9 695 Page 20 EN 122110 : 1993 4.6.4 4.6.5 - Cross-over frequency: 57-62 Hz. - Severity: displacement amplitude below cross-over frequency, 0,75 mm (0,03 in), acceleration amp itude above cross-over frequency, 98 m/s (10 gn). 5 - Duration: 24 cycles. - requirements: during the test, using measuri
48、ng equipment with a resolution better than 1 US, there shall be no indicated intermittency. Shock - conditions: see 4.6.4. The mating torque shall be 1,l Nm. Mounting shall be in accordance with 4.1.1 in such a manner that the specimens can be subject to shock in two mutually perpendicular direction
49、s, one of which shall be the longitudinal axis of the connectors. Cables shall be clamped to the test table in axial alignment at a distance of 90 2 10 mm from each cable outlet. The free end of the cable shall be restrained from motion by clamping to a rigid support. Unless otherwise prescribed the following conditions shall appiy: - Test Ea of IEC 68-2-27. - Severity: 1/2 Sinewave, 490 m/s2 for 11 ms. Three shocks in each of two mutually perpendicular directions, one of which shall be the longitudinal axis of the connectors. - requirements: during the test
