1、STD-BSI BS EN 222120-ENGL L77b m Lb24bb9 0574LDL 34T m BRITISH STANDARD Harmonized system of quality assessment for electronic components Sectional specification: Radio frequency coaxial connectors Series BNC The European Standard EN 122120 : 1993 has the status of a British Standard BS EN 122120 :
2、1996 Inollpomting Amezdment No. 1 8.9 CEGG 22120 : 1993 WLUmbered NO COPYING WITAOUT BSI PERMISSION EXCEPT As PERMITTED BY COPYRIGHT LAW STD-BSI BS EN 1ZZL20-ENGL L77b = Lb24bb7 057LiL02 28b BS EN 122120 : 1996 Issue 2, December 1996 Amd. No. Date 9196 December o BSI 1996 1996 The following BSI refe
3、rences relate to the work on this standard: Committee reference EPUW4 Draft announced in Bsz update, April 1996 ISBN O 580 22519 4 Committees responsible for this British Standard “kxt affected indim by a sideline in the margin h.4 /?Ad96 The prepamtion of this British standard was entrusted by Tech
4、nical Committee EPi46, Cables, wires and waveguides, RF connectors and accessories for communication and signaiiing, to subcommittee EPUW4, RF connectors, upon which the following bodies were represent I I surface roughness: Ra = 0,4 wi (16 Uin) max. Test requirements (see 4.5.1 of CECC 22 000) Gaug
5、e A shall be placed over the outer electrical contact of the connector. This is a sizing operation and should be carried out when the insulator is removed from the connector. After this the gauge B shall be placed over the outer contact. The contact shall support the mass of the gauge in a vertical
6、downward position. This test can also be carried out or! connectors when the insulator is not removed. -9- CECC 22 120 Issue 2 STDmBSI BS EN 122120-ENGL L77b W lb2qbb7 05711llb 870 W I I 2.2.2 Gauge for female centre contact I 4 im w. (0,157 in) 9,17 mrn min. (0,125 in) 1 I Fig. 9 Gauge pin for fema
7、le centre contact I I Table 4 Test requirements (see 4.5.1 of CECC 22 000) Gauge C shall be inserted into the female centre contact for a minimum distance of 3,17 mm (0,125 in) once only. After this, the gauge D shall be inserted into the female centre contact. The ccntact shall support the mass of
8、the gauge suspended in a vertical downward attitude. Notes (for information only) 1. Gauge C is used for qualification approval tests only, see 4.5.1. The minimum diameter of gauge C corresponds to the maximum diameter of a male contact pin. 2. Oversize gauging is to be used only as an effective pro
9、cess control test during manufacture. Sizing of female centre contacts in finished connectors should be restricted to gauge C only. - 10 - CECC 22 120 Issue 2 2.2.3 Engagement and separation gauge for male connector I I I Fig. 10 Dimensions of.gauge for engagement and separation test (see Table 5) M
10、in. A steel standard mating part shall be constructed as shown in Fig. 10 and shall have a 0,4 wn (16 uin) maximum finish. Max. I Test requirements (see 4.5.4 of CECC 22 000) The insertion and withdrawal forces required for a general purpose male connector to engage with, or separate from, the stand
11、ard mating gauge shall not exceed 20 N. The torque required to engage or disengage the bayonet lock of the male connector shall not exceed 0,25 Nm. The male connector shall be fully inserted into the gauge before applying torque to the bayonet lock. Table 5 - 11 - CECC 22 120 Issue 2 2.3 Dimensions
12、- standard test connectors (Grade O) (see 4.4.1 of CECC 22 000) Inch dimensions are original dimensions. All undimensioned pictorial configurations are for reference purposes only. 2.3.1 Test plug Note 3 * Note 2 Fig. 11 Test Plug (For dimensions see Table 6) 1 65 55 Fig. 12 Dimensions of centre con
13、tact (see Table 6) Notes on page 13. - 12 - CECC 22 120 Issue 2 Table 6 mm I I I I I I Ref* i Min. i Max. I 8,lO I 8,15 4,88 I 4,93 1,35 I 1,37 5,31 I 5,38 5,38 I 5,54 0,15 I 0,30 0,13 I 0,20 2,13 I 2,15 6,99 I 7,Ol 6,72 I 6,74 6,60 I 6,65 0,30 I - 3,66 I 3,98 5,31 I 5,36 5,16 nom - I 0,89 - I 0,13
14、1- I I I inch I Note Min. I Max. 0,319 I 0,321 I 3/dia 0,192 I 0,194 I diam 0,0530 I 0,0541 I diam 0,212 I 0,218 I 0,006 I 0,012 1 0,005 I 0,008 I rad 0,0837 I 0,0847 I 2/diam 0,2752 I 0,2760 I 2/diam 0,2645 I 0,2655 I diam 0,260 I 0,262 I diam 0,012 I - I plat/fiat - I 0,035 I rad 0,144 I 0,157 I 0
15、,209 I 0,211 I 0,203 nom I 0,209 I 0,212 I - I 0,005 I rad For dimensions of bayonet lock system see 2.1.1, and Figs. 2,3 and 4. Notes: - 1. Mechanical and electrical reference plane. Normal to axis 0,Ol mm (0,0005 in). 2. These diameters are for PTFE insulation with dielectric constant 2,02. Charac
16、teristic impedance of transmission line determined by diameters Irni and In shall be (50 + 0,2) 52. - 3. Dimensions before slotting. 6 slots spaced (60 + 1)“ apart, 0,36 mm-0,41 mm (0,014 in-0,016 in) wide, 5,84 mm-6,lO mm (0,230 in-0,240 in) deep. After slotting and flaring the ID of the outer cont
17、act must be 6,718 mm to 6,744 mm (0,2645 in to 0,2655 in) when the OD of the outer contact is inserted into a ring gauge with an ID of 8,125 mm to 8,131 mm (0,3199 in to 0,3201 in). 4. If concentric, the radial air gap shall be 0,05 mm (0,002 in) nom when contact is inserted into a ring gauge with a
18、n ID of 8,125 mm to 8,131 mm (0,3199 in to 0,3201 in). 5. Zero air gap. - 13 - CECC 22 120 Issue 2 STD-BSI BS EN 122L20-ENGL L77b Lb24bb7 0574120 2TL 2.3.2 Test socket Note 1 II / Note 5l I Fig. 13 Dimensions of connector (see Table 7) Fig 14. Dimensions of centre contact (see Table 7) Notes on page
19、 15. - 14 - CECC 22 120 Issue 2 Table 7 I I Min. I Max. I Ref- I I Note I Min. I Max. i i l I I 9,68 I 0,378 1 0,381 I 8,15 I 0,319 I 0,321 I 4,72 I 0,184 I 0,186 I 1,361 I 0,0534 I 0,0536 I 5,28 I 0,205 I 0,208 I 5,23 I 0,200 1 0,206 I 0,15 I 0,OO I 0,006 I 2,15 I 0,0837 I 0,0847 I 7,Ol I 0,2752 I
20、0,2760 I 6,76 I 0,264 I 0,266 I 6,68 I 0,259 I 0,263 I 8,46 I 0,329 I 0,333 1 8,46 I 0,327 I 0,333 I 0,84 I 0,031 I 0,033 I 2,18 I 0,0852 I 0,0859 I 0,89 I 0,015 I 0,035 I 0,2 1 0,002 I 0,008 I 6,lO I 0,238 I 0,240 I 4,88 I 0,182 I 0,192 I 1,63 I 0,060 I 0,064 I 1,02 I 0,020 I 0,040 I I I I - I 0,20
21、5 I - I 0,l I - I 0,004 I diam diam diam 3/diam 8 2/diam 2/diam diam diam diam 3/diam rad diam For dimensions not given in this table see 2.1.2. Notes : 1. Mechanical and electrical reference plane. 2. These diameters are for PTFE insulation with dielectric constant 2,02. Characteristic impedance of
22、 transmission line determined by diameters lm and In shall be (50 - + 0,2) $2. 3. Four slots 0,18 mm-0,23 mm (0,007 in-0,009 in) wide. Between 90 30 and 89O 30 apart. Diameter: 1,356 mm (0,0534 in) min. 1,361 mm (0,0536 in) max. when pin gauge inserted after slotting and closing. 4. If concentric, t
23、he radial air gap shall be 0,02 mm (0,0008 in) when mated with 1,359 mm (0,0535 in) diameter pin. 5. Zero air gap. 8. Insulator shall be flush or protruding. - 15 - CECC 22 120 Issue 2 STD-BSI BS EN L22LZ-ENGL Lb m LbZqbbS 057q322 07q = SECTION 3 - PROPERTIES 3.1 Ratings and Characteristics (see 2.3
24、 of CECC 22 000) (including limiting conditions of use) The blank detail specification(s) relating to Series BNC connectors shall list the following properties and the specific values shall be entered by the specification writer. Properties not applicable to a particular connector style shall be mar
25、ked na. The values indicated below give the recommended requirements and properties. Reflection fxtoP -Q-ade2ocsinectors - StraigJ-lt styles - rat angie styles - carpanent mm styles - solder bket arid FCi3 n-ting style -m 1 COrniectoE - stmight and right angle styles Cuter CcsiCBictor mtinuity Insul
26、ation resistance 4.4 4.4.1 4.4.2 4.4.3 4.4.4 f=hnequencyin8 For “E3 relating to synkols see page 19. - 0,005 + 0,003f Initiai After cmditicning After conditi- Af* conditi- Initial Initial - 16 - CECC 22 120 Issue 2 I I I 4.4 hf voltage at sea level t$ cables 96 IEC 50-4 5x3 33-2 Fmof voltage at 4,4
27、kpa t$ cables 96 IEC Xl-4 503 50-2 -tal test voltage at sea level t-$ cable 96 IEC Eo4 503 9-2 ihvimmntal test voltage tT at 4,4 kPa cables 96 IEC 534 503 50-2 4.4.5 4.6.5 4.4.8 4.4.9 I I 4.5 I lwxHuIm I - axial force I -w I I nigagement and seFeratim I 4.5.4 -axidfarce I - bIwe b bay met lock) 1 I
28、ccntact) 1 - centre I - outer I 1 amta3 captivaticn I 4.5.2 hge re-kntim force (resilient I 4.5.1 I HFMARKS - 1003 v 1x0 v mv L8oV 18oV 150 v 4ooV 4ooV 35oV 9OV 9OV 85V I I 4,4 kF3 applwx. equivalent I t023hand70030ft I I alti- I I I I 4,4 18a agprox. equivalent I tKx)kmard7oft I l.tib. the value of
29、 the applied test voltage should then be prescribed. - requirements: there shall be no breakdown or flashover. - 21 - CECC 22 120 Issue 2 - STD-BSI BS EN L22L2U-ENGL L77b m Lb29bb7 0579128 572 m 4.4.7 4.4.8 4.4.9 4.5 4.5.1 4.5.2 RF high potential withstanding voltage - conditions: - requirements: Sc
30、reening effectiveness - conditions: - rzquirements: Discharge test (corona test) - conditions: - requiremer,ts: see 4.4.7 of CECC 22 000. When specified the r.m.s. value of the test voltage shall be specified in the DS. as 4.4.7 of CECC 22 000. see 4.4.8 of CECC 22 000. the measured screening effect
31、iveness, expressed in terms of surface transfer shall not exceed the impedance, maximum value prescribed in the DS. The test shall be carried out at a frequency of 3 GHz unless otherwise prescribed in the DS. Zt9 see 4.4.9 of CECC 22 000. The minimum value of the extinction voltage shall be prescrib
32、ed in the DS but shall not be less than 500 V. the measured value of the extinction voltage shall not be less than the minimum value prescribed in the DS. Mechanical tests and measurements Gauge retention force (male and female resilient contacts) - conditions: see 2.2.1. Gauges for the outer contac
33、t of the plug and for the centre contact of the socket are specified in 2.2.1 and 2.2.2 respectively. - requirements: as 2.2.1 and 2.2.2. Contact captivation (without cable attached) - see 4.5.2 of CECC 22 000. Axial force - conditions: - requirements: applicable to all styles with captive contacts.
34、 An axial force of 15 N shall be applied to the centre contact and maintained for 60 s min. Unless otherwise prescribed in the DS, the direction of the axial force shall then be reversed and maintained for a further period of 60 s min. axial movement of the centre contact relative to the body shell
35、shall be 0,25 mm max. - 22 - CECC 22 120 Issue 2 Torque - conditions: - requirements: 4.5.3 Static load 4.5.4 Engagement and separation - conditions: - requirements: when specified in the DS, torque shall be applied to the centre contact using the method given in 4.5.2 of CECC 22 O00 unless otherwis
36、e prescribed in the DS. as in 4.5.2 of CECC 22 000. This test has been omitted from Issue 3 of CECC 22 O00 and from IEC 169-1. see 4.5.4 of CECC 22 GOO. For plugs the test shall be carried out in accordance with 2.2.3 using the gauge as in Fig. 10. Sockets shall be tested with general purpose plugs
37、to form mated sets. the maximum insertion and withdrawal forces shall not exceed 20 N. The torque to engage or disengage the bayonet lock shall be : 0,25 Nm max. 0,07 Nm min. 4.5.5 Mechanical tests on cable clamping device When prescribed, these tests shall be preceded by conditioning in accordance
38、with 4.6.7, Rapid Change of Temperature, but omitting the concluding tests. (i) Effectiveness of clamping device against cable pulling - conditions: see 4.5.5(1) of CECC 22 000. Unless otherwise prescribed in the DS the cable length shall be 100 mm to 150 mm. If a single connector only is attached t
39、o the cable, the force shall be applied at a distance of at least 50 mm from the cable outlet. The force shall be applied for a period of 60 s min. The DS shall prescribe the necessary characteristics of the appropriate cable, arid the value of the tensile force applicable to the cable specified. -
40、requirements: as 4.5.5(1) of CECC 22 000. - 23 - CECC 22 120 Issue 2 (2) Effectiveness of clamping device against cable torsion - conditions: see 4.5.5(2) of CECC 22 000. Unless otherwise prescribed in the DS the cable length shall be 100 mm to 150 mm, and the force applied at a distance of at least
41、 50 mm from the cable outlet of the connector, for a period of 60 s min. The DS shall prescribe the necessary characteristics of the appropriate cable, and the value of the torsional force applicable to the cable specified. - requirements: as 4.5.5(2) of CECC 22 000. 4.5.6 Tensile strength of coupli
42、ng mechanism - conditions: - reqairements : 4.5.7 Compatibility, mechanical - conditions: - requirements: 4.5.9 Bending moment - conditions: - requirements: see 4.5.6 of CECC 22 000. An axial tensile force of 445 N shall be applied between the body shells of a mated set of connectors and maintained
43、for a period of 60 s min. engagement and separation as in 4.5.4. see 4.5.7 of CECC 22 000. All dimensions shall be verified by direct measurement or, if available, by the use of special purpose compatibility gauges. as 2.1. see 4.5.9 of CECC 22 000. A bending moment of 1 Nm relative to the reference plane shall be applied in two mutually perpendicular directions to the bodies of a mated pair of connectors. as 4.5.9 of CECC 22 000. - 24 - CECC 22 120 Issue 2
