1、 AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/85D 7 August 2009 SUPERSEDING MIL-PRF-3098/85C 17 May 2004 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR109/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: 10 MHz to 11.5 MHz; fundamental; controlled; antiresonance. FIGURE 1. Crystal unit - CR109/U. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
3、MIL-PRF-3098/85D 2 Ltr Inches mm Min Max Min Max A .395 .405 10.03 10.29 B .182 .202 4.62 5.13 C .220 .280 5.59 7.11 D .410 .430 10.41 10.92 E .038 .042 0.96 1.67 F .145 .155 3.68 3.94 G .432 .470 10.97 11.94 H .160 .180 4.06 4.57 J .015 .025 0.38 0.64 K .027 .032 0.68 0.81 L .165 .175 4.19 4.45
4、 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 - CR109/U - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF
5、3098/85D 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 10 MHz to 11.5 MHz, inclusive. Frequency tolerances: Operating temperature range: 0.002 percent. Reference temperature: 0.002 percent. Room temperature: 0.008 percent. Frequency stability: 0.0005 percent
6、 Mode of oscillation: Fundamental. Reference temperature: 85C 2C. Temperature ranges: Operating (controlled): +80C to +90C, inclusive. Operable: -55C to +80C, inclusive. Capacitance, load: 32.0 pF 0.5 pF. Rated drive level: 1.0 mW, maximum. Calibration values: Resistance: 11 ohms. Crystal current:
7、15 mA. Capacitance, shunt: 7 pF, maximum. Equivalent resistance: 22 ohms, maximum. Frequency change permitted: 0.0004 percent. Equivalent resistance change permitted: 10 percent. Vibration: Method 201, MIL-STD-202; double amplitude .036 inches (0.91 mm) or 10 gravity units, whichever is the limiting
8、 value. Frequency shall be cycled between 10 Hz and 500 Hz in 15-minute cycles. Frequency change permitted: 0.0004 percent. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 0.0005 percent. Reference documents. In addition to MIL-PRF-3098, this document reference
9、s the following: MIL-STD-202 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/85D 4 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 convenien
10、ce only and the Government assumes no liability whatsoever for any 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. Cust
11、odians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 99 (Project 5955-2009-032) 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-,-,-
