1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/111E 11 July 2011 SUPERSEDING MIL-PRF-3098/111D 27 July 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR8/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the
2、product described herein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 1 MHz to 10 MHz; fundamental; noncontrolled; series resonance. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The pin undercut may be
3、omitted. 4. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR8/U. Ltr Inches mm Min Max Min Max A - .725 - 18.42 B - .352 - 8.94 C - .757 - 19.23 D .460 .476 11.68 12.09 E - .775 - 19.69 F - .448 - 11.38 G - .317 - 8.05 H .012 .047 0.30 1.19 J .091 .095 2.31 2.41 K .048 .052
4、 1.22 1.32 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/111E 2 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 1 MHz to 10 MHz
5、 inclusive. Mode of oscillation: Fundamental. Rated drive level: 1.0 mW, maximum. Operating temperature ranges (noncontrolled): -40C to 70C, inclusive. Frequency tolerances (operating temperature range): 50 ppm. Equivalent resistance: See table I. TABLE I. Equivalent resistance. Frequency range, in
6、clusive Maximum resistance MHz 1.0+ to 2.0 Ohms 450 2.0+ to 3.0 250 3.0+ to 4.0 150 4.0+ to 5.0 100 5.0+ to 6.0 75 6.0+ to 7.0 55 7.0+ to 10.0 50 Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance: 10 percent. Vibration: Method 201 of MIL-STD-202. Frequency change perm
7、itted: 5 ppm. Equivalent resistance change permitted: 10 percent. Thermal shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Part or Identifying Number (PIN): For Product Level B, PIN shall be CR8/U or CR8B/U (followed by specified frequency). For Product L
8、evel S, PIN shall be CR8S/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-PRF-202 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reprodu
9、ction or networking permitted without license from IHS-,-,-MIL-PRF-3098/111E 3 The margins of this specification 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
10、inaccuracies in these 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
11、 - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2011-003) Army - AR, MD, MI, SM Navy - AS, MC, 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-,-,-
