BS-9612-N021-1979.pdf
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1、BRITISH STANDARD CONFIRMED OCTOBER 1985 BS 9612 N021: 1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature r
2、anges (temperature controlled) Full assessment level UDC 621.373.5:621.382 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N021:1979 BSI 04-2000 Committee reference ECL/11 ISBN 0 580 10722 1 A British S
3、tandard does not purport to include all the necessary provisions 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 cov
4、er, an inside front cover, pages i and ii, pages 1 to 6 and a 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 Li
5、censed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N021:1979 BSI 04-2000i Contents Page 1Ratings1 2Characteristics at reference temperature 25 2 C2 3Marking2 4Related documents2 5Ordering information2 6Certi
6、fied test records2 7Inspection requirements4 Table 1 Ratings and characteristics3 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank Universi
7、ty, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N021:1979 BSI 04-20001 1 Ratings ELECTRONIC COMPONENTS OF ASSESSED QUALITY DETAIL SPECIFICATION IN ACCORDANCE WITH BS 9610:1977 MANUFACTURERS TYPE NUMBER 12 N021 series See PD 9002 Outline and dimensions, Third angle projecti
8、on For ordering information see clause 5 RESISTANCE WELDED QUARTZ CRYSTAL UNITS FOR OSCILLATOR APPLICATIONS ENCLOSURE TYPE AVAILABLE FREQUENCY RANGE DN DZ DQ DP 50 MHz to 125 MHz FIFTH OVERTONE THICKNESS-SHEAR MODE, AT-CUT FOR OPERATION OVER NARROW TEMPERATURE RANGES (TEMPERATURE CONTROLLED) Metal c
9、ase, conductive finish Dimensions in millimetres and are maximum except where otherwise indicated For detail dimensions see BS 5069-1 For marking information see clause 3FULL ASSESSMENT Operating temperature range See Table 1 Circuit conditions Drive level Environmental category: 65/105/56 Bump seve
10、rity: 4 000 10 bumps total at 390 m/s2 acceleration in both directions of each of three mutually perpendicular axes Vibration severity: 10 Hz to 60 Hz; 0.75 mm displacement 60 Hz to 500 Hz; 98.1 m/s2 acceleration 30 min in each of three mutually perpendicular planes at 1 octave/minute Refer to Quali
11、fied Products List PD 9002 for details of manufacturers approved to this specification. Shock severity: 981 m/s2 acceleration for 6 ms duration; waveform trapezoidal; three shocks in each direction along three mutually perpendicular axes (i.e. a total of 18 shocks) Licensed Copy: London South Bank U
12、niversity, London South Bank University, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9612 N021:1979 2 BSI 04-2000 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 961
13、0. 4 Related documents BS 2011, Basic environmental testing procedures. BS 5069, Dimensions of piezoelectric devices Part 1: Piezoelectric devices for oscillator application. BS 6001, Sampling procedures and tables for inspection by attributes. BS 9000, General requirements for electronic components
14、 of assessed quality. BS 9610, Quartz crystal units of assessed quality for oscillator application: Generic data and methods of test. PD 9002, BS 9000 component selection guide. 5 Ordering information Orders for quartz crystal units covered by this specification shall contain the following informati
15、on: a) quantity b) manufacturers type number c) BS number, issue number and date of this detail specification d) pattern code e) nominal frequency 6 Certified test records Certified test records shall be prepared in accordance with the requirements of 2.3 of BS 9610. Frequency tolerance: See Table 1
16、 Resonance resistance: 60 7 max. Maximum shunt capacitance: See Table 1 Free volume (approximate): 2 750 mm3 for types DN and DZ; 500 mm3 for types DP and DQ Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 02:23:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9
17、612 N021:1979 BSI 04-20003 Table 1 Ratings and characteristics Pattern code 12 N021 Enclosure type (BS 5069-1) Identification code (BS 9610 Appendix B) Frequency range, MHz Circuit condition Operating temperature range, C Rated drive level, mw 20 % Frequency tolerance, p.p.m. Shunt capacitance, maxi
18、mum, CopF At ref. temp. Variation from freqy. at ret. temp. over operating temp. range Over operating temp. range 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 DN DN DN DN DN DN DN DN DQ DQ DQ DQ DQ DQ DQ DQ DP DP DP D
19、P DP DP DP DP DZ DZ DZ DZ DZ DZ DZ DZ C1AX4BB C1AX4BD C1AX4BE C1AX4BF C1AZ4BB C1AZ4BD C1AZ4BE C1AZ4BF C1AX4BB C1AX4BD C1AX4BE C1AX4BF C1AZ4BB C1AZ4BD C1AZ4BE C1AZ4BF C1AX4BB C1AX4BD C1AX4BE C1AX4BF C1AZ4BB C1AZ4BD C1AZ4BE C1AZ4BF C1AX4BB C1AX4BD C1AX4BE C1AX4BF C1AZ4BB C1AZ4BD C1AZ4BE C1AZ4BF 50 to
20、125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to 125 50 to
21、125 50 to 125 Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resonance Resona
22、nce Resonance Resonance Resonance + 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 + 90 + 80 to + 90 + 80 to + 90 + 80 to + 90 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 70 to + 80 + 80 t
23、o + 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 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.
24、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 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 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 7 7 7 7 7 7 7 7 Licensed Copy: London South Bank University, London South Bank University, Fri Dec
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