1、 AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/106D 7 August 2009 SUPERSEDING MIL-PRF-3098/106C 17 May 2004 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR127/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: 10 MHz to 61 MHz; third mechanical overtone; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR127/U. Provided by IHSNot for ResaleNo reproduction or networking permitted witho
3、ut license from IHS-,-,-MIL-PRF-3098/106D 2 Ltr Inches mm Min Max Min Max A - .352 - 8.94 B - .725 - 18.42 C .223 .248 5.66 6.30 D .030 .037 0.76 0.94 E .460 .476 11.68 12.09 F - .757 - 19.23 G .030 .040 0.76 1.02 H .015 .025 0.38 0.64 J - .317 - 8.05 K - .775 - 19.68 L .015 .025 0.38 0.64 M .075 .1
4、41 1.90 3.58 N .048 .052 1.22 1.32 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR127/U - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted wi
5、thout license from IHS-,-,-MIL-PRF-3098/106D 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 10 MHz to 61 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Frequency tolerance: Operating temperature range: 0.0025 percent. Mode of oscillation: Third mechanical
6、overtone. Rated drive level: 1.0 mW, maximum. Resonance: Series. Operating temperature range (noncontrolled): +55C to +90C, inclusive. Equivalent resistance: 40 ohms, maximum. Shock: Frequency change permitted: 0.0005 percent. Equivalent-resistance change permitted: 10 percent. Vibration: Method 201
7、, MIL-STD-202. Frequency change permitted: 0.0005 percent. Equivalent resistance change permitted: 10 percent. Temperature cycling: 0.0025 percent. Aging: Frequency change permitted: 0.0005 percent. Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202
8、 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 inaccuracies in these notations. Bidders and contractors are cautioned to eval
9、uate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/106D 4 Custodians: Preparing activity:
10、 Army - CR DLA - CC Navy - EC Air Force - 99 (Project 5955-2009-036) DLA - CC Review activities: 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 http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
