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1、BRITISH STANDARD BS 9612 N007: 1977 Detail specification for cold welded seal quartz crystal units for oscillator applications DN, DQ and DP enclosures, 17 to 75 MHz frequency range Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled) Ful
2、l assessment level UDC 621.373.5:621.382 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 BSI 04-2000 ISBN 0 580 09635 1 A British Standard does not purport to include all the necessary provisi
3、ons of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 6 and a
4、 back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank
5、University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 BSI 04-2000i Contents Page 1Ratings1 2Characteristics at reference temperature 25 2 C1 3Marking1 4Related documents2 5Ordering information2 6Certified test records2 7Inspection requirements3 Table 1 Ratings
6、and characteristics2 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c
7、) BSI BS 9612 N007:1977 BSI 04-20001 1 Ratings 2 Characteristics at reference temperature 25 2 C 3 Marking The marking of the component and package shall be in accordance with the requirements of 1.1.6 of BS 9610. ELECTRONIC COMPONENTS OF ASSESSED QUALITY: DETAIL SPECIFICATION COLD-WELDED QUARTZ CRY
8、STAL UNITS FOR OSCILLATOR APPLICATIONS FULL ASSESSMENT ENCLOSURE STYLE AVAILABLE FREQUENCY RANGE DN DQ DP 17 TO 75 MHz THIRD OVERTONE THICKNESS-SHEAR MODE, AT-CUT, FOR OPERATION OVER NARROW TEMPERATURE RANGES (TEMPERATURE CONTROLLED) Metal case, conductive finish. Dimensions in millimetres. For deta
9、il dimensions see BS 5069-1 Operating temperature range Circuit conditionsSee Table 1 Drive level Operable temperature range: 55 C to 105 C Environmental category: 65/100/56 Bump severity: 4 000 bumps at 390 m/s2 acceleration Vibration severity: 10 to 60 Hz; 0.75 mm displacement 30 min in each of th
10、ree mutually perpendicular planes at 1 octave/minute. 60 to 500 Hz; 98.1 m/s2 acceleration Shock severity: 981 m/s2 acceleration for 6 ms duration; three shocks in each direction along three mutually perpendicular axes, trapezoidal pulse. Frequency tolerance: See Table 1. Resonance resistance: 40 7
11、max. Maximum shunt capacitance: See Table 1. Free volume (approximate): 2 750 mm3 for style DN; 500 mm3 for styles DP and DQ. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 2 BSI 04-2000 4 Re
12、lated documents BS 2011, Methods for the environmental testing of electronic components and electronic equipment. BS 5069, Dimensions of piezoelectric devices Part 2: Piezoelectric devices for oscillator application. BS 6001, Sampling procedures and tables for inspection by attributes. BS 9000, Gene
13、ral requirements for electronic components of assessed quality. PD 9002, Qualified products list for electronic components of assessed quality. BS 9610, Quartz crystal units of assessed quality for oscillator applications: Generic data and methods of test. 5 Ordering information Orders for quartz cr
14、ystal units covered by this specification shall contain the following information: a) BS number of this detail specification. b) Pattern code. c) Nominal frequency. 6 Certified test records Certified test records shall be prepared in accordance with the requirements of 2.3 of BS 9610. Table 1 Rating
15、s and characteristics Pattern code 12N007 Enclosure style (BS 5069-1) Identification (BS 9610: Appendix B) Frequency range Circuit condition Operating temperature range Rated drive level Frequency tolerances, p.p.m. Shunt capacitance, maximum At ref. temp. Variation from freqy. at ref. temp. over op
16、erating temp. range Over operating temp. range MHzCmW 20 %copF 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 DN DN DN DN DN DN DN DN DQ DQ DQ DQ DQ DQ DQ DQ DP DP DP DP DP DP DP DP B1AX4BB B1AX4BD B1AX4BE B1AX4BF B1AZ4BB B1AZ4BD B1AZ4BE B1AZ4BF B1AX4
17、BB B1AX4BD B1AX4BE B1AX4BF B1AZ4BB B1AZ4BD B1AZ4BE B1AZ4BF B1AX4BB B1AX4BD B1AX4BE B1AX4BF B1AZ4BB B1AZ4BD B1AZ4BE B1AZ4BF 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 7 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 75 17 to 7
18、5 17 to 75 17 to 75 17 to 75 17 to 75 Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res + 70 to + 80 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 80 to + 90 + 80 to + 90 + 80 to + 90 + 80 to + 90 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 80 to +
19、90 + 80 to + 90 + 80 to + 90 + 80 to + 90 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 80 to + 90 + 80 to + 90 + 80 to + 90 + 80 to + 90 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2.5 5 5 5 2.5 5 5 5 2.5 5 5 5 2.5 5 5 5 2.5 5 5 5 2.5 5 5
20、5 10 15 20 25 10 15 20 25 10 15 20 25 10 15 20 25 10 15 20 25 10 15 20 25 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 BSI 04-20003 7 Inspect
21、ion requirements 7.1 The tests in each subgroup shall be carried out in the order specified. 7.2 Samples subjected to tests marked “(D)” shall not be accepted for release under BS 9000 (see 2.6.5 of BS 9000-1). InspectionBS 9610 reference and conditions of testPerformance requirements GROUP A Subgro
22、up A0 Subgroups A1, A3 and A5 are not applicable 100 % inspection Visual inspection, Test A Insulation resistance Sealing, Test A Frequency and resonance resistance 1.2.2.1 1.2.4.7 1.2.6.2.1 1.2.4.1 1.2.2.1 1.2.4.7 1.2.6.2.1 As given in Table 1, 40 7 max. Subgroup A2 Shunt capacitance Frequency and
23、resonance resistance as a function of temperature, Test A Frequency and resonance resistance as a function of temperature, Test B Frequency and resonance resistance as a function of drive level, Test B 1.2.4.5 1.2.4.3.1 1.2.4.3.2 1.2.4.2.2 Inspection level II, AQL 1.5 % 7 pF max. As given in Table 1
24、, 40 7 max. 1.2.4.3.2 1.2.4.2.2 Subgroup A4 Unwanted responses1.2.4.4 Inspection level II, AQL 1.5 % Frequency scan over 1 % of nominal 17 to 60 MHz 2.0 : 1 60 to 65 MHz 1.5 : 1 65 to 75 MHz 1.25 : 1 GROUP B Subgroup B1 Dimensions, Test A1.2.3.1 Subgroups B2 to B6 are not applicable Inspection level
25、 S-4, AQL 4.0 % 1.2.3.1 Subgroup B7 Sealing, Test B1.2.6.2.2 Inspection level S-4, AQL 1.5 % Maximum leak rate 108mbar 1/s. Subgroup B8 CTR information1.1.11Attributes information on sealing test GROUP C Subgroup C1 Dimensions, Test B1.2.3.2 Subgroups C2 and C4 are not applicable Inspection level S-
26、4, AQL 4.0 % 1.2.3.2 NOTE1 mbar = 102N/m2= 100 Pa. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 4 BSI 04-2000 InspectionBS 9610 reference and conditions of testPerformance requirements GROU
27、P C(contd) Subgroup C3 (D) Solderability (for wire-ended holders only) Tensile test on terminations Flexibility of wire terminations (for wire-ended holders only) Terminal bend test (for holders with undercut pins) Final inspection Visual inspection, Test B Sealing, Test B Frequency and resonance re
28、sistance as a function of temperature, Test B 1.2.6.3 1.2.6.1.1 1.2.6.1.2 1.2.6.1.3 1.2.2.2 1.2.6.2.2 1.2.4.3.2 Inspection level S-4, AQL 4.0 % 1.2.2.2 Maximum leak rate 108mbar 1/s 1.2.4.3.2 Subgroup C5 Ageing1.2.7.1 Inspection level S-3, AQL 4.0 % The difference between the highest and lowest freq
29、uency measurements shall not exceed 3 p.p.m. The difference between the highest and lowest resistance measurements shall not exceed 10 % or 2 7, whichever is greater. Subgroup C6 CTR information1.1.11Measurements information on Group C tests. Ageing shall be shown as grouped frequency tables. GROUP
30、D Subgroups D1, D2 and D4 are not applicable. To be conducted on a yearly basis Subgroup D3 (i) (D) Climatic sequence Final inspection Frequency and resonance resistance as a function of temperature, Test B Insulation resistance Sealing, Test B Visual inspection, Test B Visual inspection, Test C 1.2
31、.6.10 1.2.4.3.2 1.2.4.7 1.2.6.2.2 1.2.2.2 1.2.2.3 Inspection level S-4, AQL 4.0 % 1.2.4.3.2 1.2.4.7 Maximum leak rate 108mbar 1/s 1.2.2.2 1.2.2.3 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:197
32、7 BSI 04-20005 InspectionBS 9610 reference and conditions of testPerformance requirements GROUP C(contd) Subgroup D3 (ii) (D) Initial inspection Frequency and resonance resistance Bump Vibration Shock Final inspection Frequency and resonance resistance Visual inspection, Test B 1.2.4.1 1.2.6.6 1.2.6
33、.7 1.2.6.8 1.2.4.1 1.2.2.2 Inspection level S-4, AQL 4.0 % As given in Table 1, 40 7 max. Frequency change 10 p.p.m. max. Resistance change 20 % max. 1.2.2.2 Subgroup D3 (iii) (D) Damp heat (steady state) Final inspection Frequency and resonance resistance as a function of temperature, Test A 1.2.6.
34、11 1.2.4.3.1 Inspection level S-4, AQL 4.0 % As given in Table 1, 40 7 max. Frequency and resonance resistance as a function of temperature, Test B Insulation resistance Sealing, Test B Visual inspection, Test C 1.2.4.3.2 1.2.4.7 1.2.6.2.2 1.2.2.3 1.2.4.3.2 1.2.4.7 Maximum leak rate 108mbar 1/s. 1.2
35、.2.3 Subgroup D3 (iv) (D) Salt mist Final inspection Visual inspection, Test C 1.2.6.12 1.2.2.3 Inspection level S-4, AQL 4.0 % 1.2.2.3 Subgroup D5 Initial inspection Frequency and resonance resistance Sealing, Test B Shelf life Final inspection Frequency and resonance resistance 1.2.4.1 1.2.6.2.2 1
36、.2.7.2 1.2.4.1 Inspection level S-4, AQL 4.0 % One-year interval As given in Table 1, 40 7 max. Maximum leak rate 108mbar 1/s. Maximum frequency change 10 p.p.m. Maximum resistance change 10 % or 2 7, whichever is greater. Licensed Copy: London South Bank University, London South Bank University, Fr
37、i Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007:1977 6 BSI 04-2000 InspectionBS 9610 reference and conditions of testPerformance requirements GROUP D(contd) Subgroup D5(contd) Sealing, Test B 1.2.6.2.2Maximum leak rate 108mbar 1/s. Subgroup D6 CTR information1.1.11Measureme
38、nts information on Group D tests. Shelf life shall be shown as grouped frequency tables. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank University, London South Bank Univ
39、ersity, Fri Dec 08 02:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N007: 1977 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at
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