1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/140H 28 July 2011 SUPERSEDING MIL-PRF-3098/140G 27 July 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR159/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring th
2、e product described herein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 8 MHz to 20 MHz; fundamental; noncontrolled; series resonance. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The crystal unit shall
3、 not be trimmed after sealing. 4. Marking shall be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR159/U. Ltr Inches mm Min Max Min Max A - .365 - 9.27 B - .265 - 6.73 C .600 - 15.24 - D - .420 - 10.67 E .195 .205 4.95 5.21 F .0175 .0205 0.445 0.521 Copyright Communications - Electronics
4、 Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/140H 2 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 8 MHz to 20 MHz, inclusive. Frequency tolerance : 50 ppm. Equiva
5、lent resistance: See table I. TABLE I Equivalent resistance . Frequency range, inclusive. MHz Maximum resistance Ohms 8.0 to 10.0 40 10.0+ to 12.0 30 12.0+ to 15.0 25 15.0+ to 20.0 20 Mode of oscillation: Fundamental. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Rated drive
6、 level: 1.0 mW, maximum. Resonance: Series. Capacitance, shunt: 7.0 pF. Shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 201, MIL-STD-202. Frequency change permitted: 10 ppm. Equivalent resistance change permitted: 15 percent. Temperatur
7、e cycling: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. Part or Identifying Number (PIN): For Product Level B, PIN shall be CR159/U or CR159B/U (followed by specified frequency). For Product Level S, PIN shall be CR1
8、59S/U (followed by specified frequency, see 1.2 of MIL-PRF-3098. Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking per
9、mitted without license from IHS-,-,-MIL-PRF-3098/140H 3 The margins of this specification sheet are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in t
10、hese notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 99 Agent: DLA
11、- CC DLA - CC Review activities: (Project 5955-2011-015) Army - AR, MI, SM Navy - AS, CG, MC, OS, SH Air Force - 19, 84 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
